Re: [Elecraft] K2 vs K3

2012-08-09 Thread Chip Stratton
You should be able to find a K2 for sale used for roughly 2/3 (sometimes
more, sometimes less) of the retail kit and included modules price. This
discount probably reflects the fact that you really don't know how well it
was originally built, but thankfully the K2 is fairly forgiving of
variations in construction skill.

If you do find one used, you should probably assume that some aspect of it
will require a bit of troubleshooting/sleuthing to make exactly right.
Frankly, I find this every bit as interesting and absorbing as actually
operating, so your take on this might be a little bit different.
Fortunately again, the K2 manual goes to lengths to show you the way when
troubleshooting, and the reflector and Elecraft support itself will go to
great lengths to help you out.

If you do buy a used K2, be sure to ask if the Frequency counter probe and
RF Probe, included in the original kit but frequently separated, are
included.

Chip
AE5KA
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[Elecraft] K2 vs K3

2012-08-08 Thread Lee Herbst
My situation is this, single income family with 4 kids. I have to save
for anything I want. I just got my ticket in June. I am currently not
on the air, but saving for a 2m mobile to get me started.

Realistically I can only save for one HF xcvr. I chose Elecraft based
on lurking on this reflector and learning about their excellent
support - I don't think I can go wrong buying from these guys.
However, I don't know if I should save for a K2 or a K3. I think it
will take me about a year to save for the base K2 kit or about 2 years
to save for the base K3 kit. I need to make sure that whichever I get,
it will be something I am happy with for a long time as I would not be
able to afford to replace it.

I would like to operate cw and ssb, but cw only would be fine until I
could afford the ssb option if I went for the K2. I am intrigued by
building a K2 (I am handy with a soldering iron), but on the other
side of the coin it seems like you get a lot more radio with the K3.
So, if you were in my shoes, which would you save for? On the air
sooner with a K2 or waiting longer for a K3? All input is most
welcome.

73,

-- 
Lee Herbst - AK4WN

Give God your best and let Him do the rest - Facing the Giants
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Re: [Elecraft] K2 vs K3

2012-08-08 Thread Fred Jensen
You're going to get twice as many replies as there are people lurking on 
this list, Lee. :-)  In the end, the decision is yours but you can base 
it on experience of others.  Mine:

I have a KX1, K2/10, and K3/KPA500/P3.  I built my K2, S/N 4398, perhaps 
5 or 6 years ago, with the ATU.  I bought the KPA100 and KAT100 from a 
3rd party and used the rig as my home station for about a year.  It 
served me very well.  I have two hams within 3 km of me, both QRO.  With 
my TS-850, I could not operate on the same band as them [regardless of 
mode], the IMD generated inside my receiver made it impossible.  With 
the K2, I could get within 3-4 KHz of them before hearing their key 
clicks.  The K2 was fun to build, easy to operate, and a really good 
receiver.  I subsequently added the SSB module [never used], and the 
KAF2 audio filter which I use occasionally.

I swapped the Hi and Lo power tops when I wanted to take it into the 
field.  After I got my K3, the QRP top stayed on and I finally sold the 
KPA100 and KAT100.  Now, I use it in field events and for activating 
summits in SOTA.  It is basically better than any radio I've ever owned 
except the K3.

I assembled my K3, S/N 642, several years ago.  It has the KAT3, 100W 
amp, and I have since added the DVK which I barely use, and I don't have 
the second receiver.  Other than that, it is basically stock.  I haven't 
added any filters beyond the two that came with it.  I subsequently got 
the KPA500 and just recently the P3.

The K3 is a better home station radio than the K2, for a number of 
reasons, but the K2 served me well in that capacity too.  The receiver 
is better [mainly the IF DSP, although the K2 xtal filter is very good], 
I can get within 1 KHz of my two QRO comrades on CW, and it is very easy 
to use.  It is also much more costly than the K2.

Given your situation [we too were a single income family with 4 kids], 
I'd opt for a K2 kit.  I'd definitely get the KAT2.  I'd skip the other 
accessories to start with, get on CW with 10W and have a blast.  There 
are a large number of QRP contests and events that you will really 
enjoy.  You can also take it to the field very easily.

If you decide to build a K2, inventory the entire kit FIRST!  Separate 
the parts into little containers.  Not only will it assure you aren't 
missing anything, it will also familiarize you with all the parts.  I 
spent probably 50-60 hours, I work slowly.  Don't build when you're 
tired or have had a glass of wine with dinner. :-)

Hope this helps,

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2012 Cal QSO Party 6-7 Oct 2012
- www.cqp.org

On 8/8/2012 9:41 AM, Lee Herbst wrote:
 My situation is this, single income family with 4 kids. I have to save
 for anything I want. I just got my ticket in June. I am currently not
 on the air, but saving for a 2m mobile to get me started.

 Realistically I can only save for one HF xcvr. I chose Elecraft based
 on lurking on this reflector and learning about their excellent
 support - I don't think I can go wrong buying from these guys.
 However, I don't know if I should save for a K2 or a K3. I think it
 will take me about a year to save for the base K2 kit or about 2 years
 to save for the base K3 kit. I need to make sure that whichever I get,
 it will be something I am happy with for a long time as I would not be
 able to afford to replace it.

 I would like to operate cw and ssb, but cw only would be fine until I
 could afford the ssb option if I went for the K2. I am intrigued by
 building a K2 (I am handy with a soldering iron), but on the other
 side of the coin it seems like you get a lot more radio with the K3.
 So, if you were in my shoes, which would you save for? On the air
 sooner with a K2 or waiting longer for a K3? All input is most
 welcome.


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Re: [Elecraft] K2 vs K3

2012-08-08 Thread stan levandowski
The K2 is all the radio the average CW op needs.  The problem then 
becomes  what's average?  If $$ is tight (been there, done that)  and 
you may want to migrate to SSB, then my suggestion is save your money up 
for a K3, the current Queen of the Elecraft Fleet.  The wait will be 
worth it.   In the meantime, look for a small QRP CW rig under $100. Use 
it to develop your CW skills, weak signal techniques, and perseverance. 
When you finally get your K3 you'll be a superior op.  Just my opinion. 
I'm sure you will get many other opinions.  Weigh them all then make 
your decision.  Best Wishes from Stan WB2LQF and welcome to ham radio.
   .

On Wed, Aug 8, 2012 at 12:41 PM, Lee Herbst wrote:

 My situation is this, single income family with 4 kids. I have to save
 for anything I want. I just got my ticket in June. I am currently not
 on the air, but saving for a 2m mobile to get me started.

 Realistically I can only save for one HF xcvr. I chose Elecraft based
 on lurking on this reflector and learning about their excellent
 support - I don't think I can go wrong buying from these guys.
 However, I don't know if I should save for a K2 or a K3. I think it
 will take me about a year to save for the base K2 kit or about 2 years
 to save for the base K3 kit. I need to make sure that whichever I get,
 it will be something I am happy with for a long time as I would not be
 able to afford to replace it.

 I would like to operate cw and ssb, but cw only would be fine until I
 could afford the ssb option if I went for the K2. I am intrigued by
 building a K2 (I am handy with a soldering iron), but on the other
 side of the coin it seems like you get a lot more radio with the K3.
 So, if you were in my shoes, which would you save for? On the air
 sooner with a K2 or waiting longer for a K3? All input is most
 welcome.

 73,

 -- 
 Lee Herbst - AK4WN

 Give God your best and let Him do the rest - Facing the Giants
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Re: [Elecraft] K2 vs K3

2012-08-08 Thread Keith Heimbold
Lee,

I would pick up a beginners HF rig from an old ham in the neighborhood for 
cheap and save up for the K3. 

Look around and find a couple Elmers where you live and see what they can help 
you put a system together. Hang dipole and have some fun.  A QRP rig could be a 
nice option but personally I would go crazy waiting two years to get on the 
air.  You should be able to get something going as you save for the K3.

Good luck!

Keith 
AG6AZ

Sent from my iPhone please excuse typos

On Aug 8, 2012, at 9:41 AM, Lee Herbst lcher...@gmail.com wrote:

 My situation is this, single income family with 4 kids. I have to save
 for anything I want. I just got my ticket in June. I am currently not
 on the air, but saving for a 2m mobile to get me started.
 
 Realistically I can only save for one HF xcvr. I chose Elecraft based
 on lurking on this reflector and learning about their excellent
 support - I don't think I can go wrong buying from these guys.
 However, I don't know if I should save for a K2 or a K3. I think it
 will take me about a year to save for the base K2 kit or about 2 years
 to save for the base K3 kit. I need to make sure that whichever I get,
 it will be something I am happy with for a long time as I would not be
 able to afford to replace it.
 
 I would like to operate cw and ssb, but cw only would be fine until I
 could afford the ssb option if I went for the K2. I am intrigued by
 building a K2 (I am handy with a soldering iron), but on the other
 side of the coin it seems like you get a lot more radio with the K3.
 So, if you were in my shoes, which would you save for? On the air
 sooner with a K2 or waiting longer for a K3? All input is most
 welcome.
 
 73,
 
 -- 
 Lee Herbst - AK4WN
 
 Give God your best and let Him do the rest - Facing the Giants
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Re: [Elecraft] K2 vs K3

2012-08-08 Thread valvetb...@netzero.com
Lee,
I don't have a K2, but when I decided to buy a K3, it seemed that by the time I 
added all of the extras on the K2 to make it contain all of the features of a 
K3, there wasn't much difference in price.  I bought my K3 kit with only one 
option, a 400Hz filter.  The price at that time was $2025 I believe (ordered in 
Dayton, May 2010).  I have since added the KXV3A to interface with my MFJ noise 
canceller.
73,
Art  WB8ENE

-- Original Message --
From: Lee Herbst lcher...@gmail.com
To: Elecraft@mailman.qth.net
Subject: [Elecraft] K2 vs K3
Date: Wed, 8 Aug 2012 12:41:09 -0400

My situation is this, single income family with 4 kids. I have to save
for anything I want. I just got my ticket in June. I am currently not
on the air, but saving for a 2m mobile to get me started.

Realistically I can only save for one HF xcvr. I chose Elecraft based
on lurking on this reflector and learning about their excellent
support - I don't think I can go wrong buying from these guys.
However, I don't know if I should save for a K2 or a K3. I think it
will take me about a year to save for the base K2 kit or about 2 years
to save for the base K3 kit. I need to make sure that whichever I get,
it will be something I am happy with for a long time as I would not be
able to afford to replace it.

I would like to operate cw and ssb, but cw only would be fine until I
could afford the ssb option if I went for the K2. I am intrigued by
building a K2 (I am handy with a soldering iron), but on the other
side of the coin it seems like you get a lot more radio with the K3.
So, if you were in my shoes, which would you save for? On the air
sooner with a K2 or waiting longer for a K3? All input is most
welcome.

73,

-- 
Lee Herbst - AK4WN

Give God your best and let Him do the rest - Facing the Giants
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Mom publishes simple facelift trick that angered doctors...
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Re: [Elecraft] K2 vs K3

2012-08-08 Thread Dick, K2ZR
Lee,
I'm with Keith's immediate solution. Waiting a year or two to get on the 
HF is a long time. There are plenty of seasoned hams with HF gear 
collecting dust that'll get you on the HF bands. In my area it is not 
uncommon to get a loaner HF rig or one at a very reasonable price. 
You'll be On The Air.
One of the local fellows I've been Elmering borrowed an IC-745 that was 
collecting dust. He did buy it a month or so later at a very reasonable 
price. It has been a year since he's had the IC-745 and he's come a long 
way from August 2011. He's become quite proficient on CW, worked WAS, 
has 54 DXCC entities under his belt  more! S, why wait! Get a 
loaner, put up a G5RV wire antenna, drive in a ground rod, connect it up 
to your radio and get on the air. You can find information on a G5RV all 
over the net.
If you must have 2 meter mobile, find yourself a used piece of gear for 
$100. You should be able to find a FT-1802M for that. It's reliable and 
easy to use. Four years ago I bought one new for $139.00. There are also 
other pieces of 2M mobile gear out there that won't break your bank.
When the time comes and you're ready to spend bigger dollars, buy the K3 
or K2; both are excellent pieces of gear. They were both characterized 
beautifully in the email that was sent to you by Fred Jensen, K6DGW.
73,
Dick, K2ZR
K2 #6557 now a K2/100 w/KAT100-1 (Thanks Vic)
ICOM IC-765( Oldie but Goodie HF Rig )
Yaesu  FT-900AT   ( Use it for HF mobile often )
ARRL OO
ARRL WNY ASM
FOC
CWops
Western NY DX Association
Cold Brook Contest Club
Western NY Contest Club
QRPARCI #957
Pounding Brass Since March 19th,1962


Keith Heimbold wrote:

Lee,

I would pick up a beginners HF rig from an old ham in the neighborhood for 
cheap and save up for the K3. 

Look around and find a couple Elmers where you live and see what they can help 
you put a system together. Hang dipole and have some fun.  A QRP rig could be 
a nice option but personally I would go crazy waiting two years to get on the 
air.  You should be able to get something going as you save for the K3.

Good luck!

Keith 
AG6AZ

Sent from my iPhone please excuse typos

On Aug 8, 2012, at 9:41 AM, Lee Herbst lcher...@gmail.com wrote:

  

My situation is this, single income family with 4 kids. I have to save
for anything I want. I just got my ticket in June. I am currently not
on the air, but saving for a 2m mobile to get me started.

Realistically I can only save for one HF xcvr. I chose Elecraft based
on lurking on this reflector and learning about their excellent
support - I don't think I can go wrong buying from these guys.
However, I don't know if I should save for a K2 or a K3. I think it
will take me about a year to save for the base K2 kit or about 2 years
to save for the base K3 kit. I need to make sure that whichever I get,
it will be something I am happy with for a long time as I would not be
able to afford to replace it.

I would like to operate cw and ssb, but cw only would be fine until I
could afford the ssb option if I went for the K2. I am intrigued by
building a K2 (I am handy with a soldering iron), but on the other
side of the coin it seems like you get a lot more radio with the K3.
So, if you were in my shoes, which would you save for? On the air
sooner with a K2 or waiting longer for a K3? All input is most
welcome.

73,

-- 
Lee Herbst - AK4WN

Give God your best and let Him do the rest - Facing the Giants
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Re: [Elecraft] K2 vs K3

2012-08-08 Thread Ariel Jacala

Lee
 
I agree with Fred Jensen.  The K2 was all the radio I ever needed.  The 
operative word is needed.   The K2 has served me well.  I was licensed in 
2009 and got my HF privileges in 2010.  Since 2010, I have bought a TS830S used 
from a Canadian Missionary radio amateur an FT897 and got 2/3 of the states for 
Worked All States (phone) between those 2 rigs.  I have since sold the TS830S 
and in the process of selling the FT897.  I have since gotten Worked All States 
2 more times over with my K2.   My K2 does have most of the bells and whistles 
- SSB, KAF2, KPA100, NB, SSB, KAT2 but is mostly operated QRP - 95% except for 
the few times when I work DX contests.  I have since reached DXCC both CW and 
Mixed Mode and the K2 was the rig I did it with.  Some say the K3 sounds better 
on phone.  The K2 is the most intuitive radio I have ever owned.  The K3 is a 
better contesting rig - no arguments there.  It all depends on what you want to 
spend your time in the hobby.  You can do well in 
 SKCC and NAQCC sprints with a K2 or K2/100.  As a top line contester with the 
skills it carries - the K3 is a better choice.  I will probably never part with 
my K2.  If I had a limited budget and want a barefoot rig (100 watts) - I would 
opt for a K2/100.  I can swap out the PA deck for Field Day QRP in 5 minutes.   
  My 2 cents
 
Ariel NY4G
 

 Date: Wed, 8 Aug 2012 12:41:09 -0400
 From: lcher...@gmail.com
 To: Elecraft@mailman.qth.net
 Subject: [Elecraft] K2 vs K3
 
 My situation is this, single income family with 4 kids. I have to save
 for anything I want. I just got my ticket in June. I am currently not
 on the air, but saving for a 2m mobile to get me started.
 
 Realistically I can only save for one HF xcvr. I chose Elecraft based
 on lurking on this reflector and learning about their excellent
 support - I don't think I can go wrong buying from these guys.
 However, I don't know if I should save for a K2 or a K3. I think it
 will take me about a year to save for the base K2 kit or about 2 years
 to save for the base K3 kit. I need to make sure that whichever I get,
 it will be something I am happy with for a long time as I would not be
 able to afford to replace it.
 
 I would like to operate cw and ssb, but cw only would be fine until I
 could afford the ssb option if I went for the K2. I am intrigued by
 building a K2 (I am handy with a soldering iron), but on the other
 side of the coin it seems like you get a lot more radio with the K3.
 So, if you were in my shoes, which would you save for? On the air
 sooner with a K2 or waiting longer for a K3? All input is most
 welcome.
 
 73,
 
 -- 
 Lee Herbst - AK4WN
 
 Give God your best and let Him do the rest - Facing the Giants
 __
 Elecraft mailing list
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Re: [Elecraft] K2 vs K3

2012-08-08 Thread Michael D. Adams
I agree with Keith's comments, but I'll contribute my two cents' as well.

My background, such as it is -- I got my ticket about 20 months ago,
spent 4 months just on 2 meters, and got my K3 a year after I got on
HF.

That experience leads me to point out four things:

1.  Used rigs are widely available, and rigs can be resold.   While it
might slow down the process, you can get a starter rig, and then
resell it later to help finance the purchase of a K3.

2.  Several months on a starter rig taught me that the things I
actually enjoyed and spent time pursuing on the air were different
than what I might have expected before getting on HF. Also learning to
use  working through the quirks of my starter rig I learned a few
things...and that in turn is what lead me to seek out a K3, and to
make more informed decisions on how I might want it equipped.

3.  As an alternative to getting a starter rig, you might look around
to see if there is a club station available in your area to operate.
You get experience and fun while you save up to set up your own
station.

4.  I do not want to discourage you from considering an Elecraft, but
if money is tight, remember that antennas are the most important part
of your station.  I love my K3, but I would have had no
second-thoughts about postponing my transceiver upgrade if there were
any way I could have put up a beam in a spouse-tolerated manner.
There's nothing wrong with cheap wire antennas; but if you have space
and approval from the spouse and your town, invest in good antennas
before worrying about picking the perfect rig.

--
Michael D. Adams (AB1OD)
Poquonock, Connecticut | m...@ab1od.org


On Wed, Aug 8, 2012 at 2:26 PM, Keith Heimbold ag...@hotmail.com wrote:
 Lee,

 I would pick up a beginners HF rig from an old ham in the neighborhood for 
 cheap and save up for the K3.

 Look around and find a couple Elmers where you live and see what they can 
 help you put a system together. Hang dipole and have some fun.  A QRP rig 
 could be a nice option but personally I would go crazy waiting two years to 
 get on the air.  You should be able to get something going as you save for 
 the K3.

 Good luck!

 Keith
 AG6AZ
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Re: [Elecraft] K2 vs K3

2012-08-08 Thread Matt Maguire
Rather than a traditional G5RV antenna, you might want to look at a ZS6BKW, 
which is an updated version of the G5RV optimised using computer modelling 
techniques that were not available when the G5RV was first designed:
http://www.nonstopsystems.com/radio/ZS6BKW.pdf

73, Matt VK2ACL


On 09/08/2012, at 5:42 AM, Dick, K2ZR k...@arrl.net wrote:

 Lee,
 I'm with Keith's immediate solution. Waiting a year or two to get on the 
 HF is a long time. There are plenty of seasoned hams with HF gear 
 collecting dust that'll get you on the HF bands. In my area it is not 
 uncommon to get a loaner HF rig or one at a very reasonable price. 
 You'll be On The Air.
 One of the local fellows I've been Elmering borrowed an IC-745 that was 
 collecting dust. He did buy it a month or so later at a very reasonable 
 price. It has been a year since he's had the IC-745 and he's come a long 
 way from August 2011. He's become quite proficient on CW, worked WAS, 
 has 54 DXCC entities under his belt  more! S, why wait! Get a 
 loaner, put up a G5RV wire antenna, drive in a ground rod, connect it up 
 to your radio and get on the air. You can find information on a G5RV all 
 over the net.
 If you must have 2 meter mobile, find yourself a used piece of gear for 
 $100. You should be able to find a FT-1802M for that. It's reliable and 
 easy to use. Four years ago I bought one new for $139.00. There are also 
 other pieces of 2M mobile gear out there that won't break your bank.
 When the time comes and you're ready to spend bigger dollars, buy the K3 
 or K2; both are excellent pieces of gear. They were both characterized 
 beautifully in the email that was sent to you by Fred Jensen, K6DGW.
 73,
 Dick, K2ZR
 K2 #6557 now a K2/100 w/KAT100-1 (Thanks Vic)
 ICOM IC-765( Oldie but Goodie HF Rig )
 Yaesu  FT-900AT   ( Use it for HF mobile often )
 ARRL OO
 ARRL WNY ASM
 FOC
 CWops
 Western NY DX Association
 Cold Brook Contest Club
 Western NY Contest Club
 QRPARCI #957
 Pounding Brass Since March 19th,1962
 
 
 Keith Heimbold wrote:
 
 Lee,
 
 I would pick up a beginners HF rig from an old ham in the neighborhood for 
 cheap and save up for the K3. 
 
 Look around and find a couple Elmers where you live and see what they can 
 help you put a system together. Hang dipole and have some fun.  A QRP rig 
 could be a nice option but personally I would go crazy waiting two years to 
 get on the air.  You should be able to get something going as you save for 
 the K3.
 
 Good luck!
 
 Keith 
 AG6AZ
 
 Sent from my iPhone please excuse typos
 
 On Aug 8, 2012, at 9:41 AM, Lee Herbst lcher...@gmail.com wrote:
 
 
 
 My situation is this, single income family with 4 kids. I have to save
 for anything I want. I just got my ticket in June. I am currently not
 on the air, but saving for a 2m mobile to get me started.
 
 Realistically I can only save for one HF xcvr. I chose Elecraft based
 on lurking on this reflector and learning about their excellent
 support - I don't think I can go wrong buying from these guys.
 However, I don't know if I should save for a K2 or a K3. I think it
 will take me about a year to save for the base K2 kit or about 2 years
 to save for the base K3 kit. I need to make sure that whichever I get,
 it will be something I am happy with for a long time as I would not be
 able to afford to replace it.
 
 I would like to operate cw and ssb, but cw only would be fine until I
 could afford the ssb option if I went for the K2. I am intrigued by
 building a K2 (I am handy with a soldering iron), but on the other
 side of the coin it seems like you get a lot more radio with the K3.
 So, if you were in my shoes, which would you save for? On the air
 sooner with a K2 or waiting longer for a K3? All input is most
 welcome.
 
 73,
 
 -- 
 Lee Herbst - AK4WN
 
 Give God your best and let Him do the rest - Facing the Giants
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Re: [Elecraft] K2 vs K3

2012-08-08 Thread Scott
Why not a KX3? Buy first the simple version, get on the air sooner, and then 
add to it little by little. If you decide to sell later you will have 100s of 
buyers!  It is not a K3 but it is budget~friendly. .
Enviado desde mi oficina móvil BlackBerry® de Telcel

-Original Message-
From: Lee Herbst lcher...@gmail.com
Sender: elecraft-boun...@mailman.qth.net
Date: Wed, 8 Aug 2012 12:41:09 
To: Elecraft@mailman.qth.net
Subject: [Elecraft] K2 vs K3

My situation is this, single income family with 4 kids. I have to save
for anything I want. I just got my ticket in June. I am currently not
on the air, but saving for a 2m mobile to get me started.

Realistically I can only save for one HF xcvr. I chose Elecraft based
on lurking on this reflector and learning about their excellent
support - I don't think I can go wrong buying from these guys.
However, I don't know if I should save for a K2 or a K3. I think it
will take me about a year to save for the base K2 kit or about 2 years
to save for the base K3 kit. I need to make sure that whichever I get,
it will be something I am happy with for a long time as I would not be
able to afford to replace it.

I would like to operate cw and ssb, but cw only would be fine until I
could afford the ssb option if I went for the K2. I am intrigued by
building a K2 (I am handy with a soldering iron), but on the other
side of the coin it seems like you get a lot more radio with the K3.
So, if you were in my shoes, which would you save for? On the air
sooner with a K2 or waiting longer for a K3? All input is most
welcome.

73,

-- 
Lee Herbst - AK4WN

Give God your best and let Him do the rest - Facing the Giants
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Re: [Elecraft] K2 vs K3

2012-08-08 Thread Robert G. Strickland
Lee...

Welcome to the hobby and to Elecraft. Several years ago I assembled K2 # 
5957 and immediately added the SSB, noise blanker, DSP and 100W modules. 
This past spring I put together K3 #6232 with the 100W module and three 
additional filters. I chase DX, operate contests [casually], and rag 
chew, just about all on CW.

There is no doubt in anyone's mind that the K3 is the better radio. That 
said, what's really amazing is that the K2 is so close to the K3. My K2 
was the station radio from the moment it lit up. I never felt limited by 
any aspect of the radio, and the K2's mojo can't be questioned. Also, 
knowing that you've built it will be just about enough satisfaction all 
by itself. Trust us on this point! It performed flawlessly in all 
aspects of operating and was/is far and away better than its two 
predecessors. I still have it, won't sell it, and have all sorts of 
plans for its future use. The K3 is just superb in all aspects. It has 
completely satisfied any curiosity that I had about high end radios. 
At my age I don't plan on buying another rig this time around.

So, either one will be a treasure. The suggestion to get a second hand 
rig at an easy price or on loan makes good sense. Get a loaner, get your 
feet wet, and then make a more informed decision based on your own 
experience. Any rig will do for this phase of your ham radio education. 
You may not be able to get a K3 loaner, but with average luck you may be 
able to get your hands on a K2 and try it out. Experience is the best 
teacher [trite yet true].

There is no correct path through/up the ham radio hobby. Every ham's 
story has unique chapters mostly unlike anyone else's. Either of these 
two Elecraft radios will be fun and satisfying in its own way. Get 
started and one or the other will find its way on to the table and into 
your heart.

...robert

On 8/8/2012 17:41, Lee Herbst wrote:
 My situation is this, single income family with 4 kids. I have to save
 for anything I want. I just got my ticket in June. I am currently not
 on the air, but saving for a 2m mobile to get me started.

 Realistically I can only save for one HF xcvr. I chose Elecraft based
 on lurking on this reflector and learning about their excellent
 support - I don't think I can go wrong buying from these guys.
 However, I don't know if I should save for a K2 or a K3. I think it
 will take me about a year to save for the base K2 kit or about 2 years
 to save for the base K3 kit. I need to make sure that whichever I get,
 it will be something I am happy with for a long time as I would not be
 able to afford to replace it.

 I would like to operate cw and ssb, but cw only would be fine until I
 could afford the ssb option if I went for the K2. I am intrigued by
 building a K2 (I am handy with a soldering iron), but on the other
 side of the coin it seems like you get a lot more radio with the K3.
 So, if you were in my shoes, which would you save for? On the air
 sooner with a K2 or waiting longer for a K3? All input is most
 welcome.

 73,


-- 
Robert G. Strickland, PhD, ABPH - KE2WY
rc...@verizon.net
Syracuse, New York, USA
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[Elecraft] K2 vs K3

2012-08-08 Thread Johnny Siu
Hello Robert,
 
I really like your idea of getting a K2 from the used market.  For a new 
purchase, after taking into account the options, K3 seems more value for money.
 
Perhaps, I was a K2 builder in the past.  I have no worry about buying an used 
K2.  Due to its kit nature, problems (if any) can be solved on-site without 
sending back the radio to Elecraft.
 
In fact, after departing my K2 for some years, I recently acquired an old K2 at 
a very reasonable price.  I shall soon do all the update modifications for that 
old K2.  I am still fond of some soldering work.

TNX  73,


Johnny VR2XMC



 寄件人︰ Robert G. Strickland rc...@verizon.net
收件人︰ elecraft@mailman.qth.net 
傳送日期︰ 2012年08月9日 (週四) 10:40 AM
主題︰ Re: [Elecraft] K2 vs K3
  
Lee...

Welcome to the hobby and to Elecraft. Several years ago I assembled K2 # 
5957 and immediately added the SSB, noise blanker, DSP and 100W modules. 
This past spring I put together K3 #6232 with the 100W module and three 
additional filters. I chase DX, operate contests [casually], and rag 
chew, just about all on CW.

There is no doubt in anyone's mind that the K3 is the better radio. That 
said, what's really amazing is that the K2 is so close to the K3. My K2 
was the station radio from the moment it lit up. I never felt limited by 
any aspect of the radio, and the K2's mojo can't be questioned. Also, 
knowing that you've built it will be just about enough satisfaction all 
by itself. Trust us on this point! It performed flawlessly in all 
aspects of operating and was/is far and away better than its two 
predecessors. I still have it, won't sell it, and have all sorts of 
plans for its future use. The K3 is just superb in all aspects. It has 
completely satisfied any curiosity that I had about high end radios. 
At my age I don't plan on buying another rig this time around.

So, either one will be a treasure. The suggestion to get a second hand 
rig at an easy price or on loan makes good sense. Get a loaner, get your 
feet wet, and then make a more informed decision based on your own 
experience. Any rig will do for this phase of your ham radio education. 
You may not be able to get a K3 loaner, but with average luck you may be 
able to get your hands on a K2 and try it out. Experience is the best 
teacher [trite yet true].

There is no correct path through/up the ham radio hobby. Every ham's 
story has unique chapters mostly unlike anyone else's. Either of these 
two Elecraft radios will be fun and satisfying in its own way. Get 
started and one or the other will find its way on to the table and into 
your heart.

...robert

On 8/8/2012 17:41, Lee Herbst wrote:
 My situation is this, single income family with 4 kids. I have to save
 for anything I want. I just got my ticket in June. I am currently not
 on the air, but saving for a 2m mobile to get me started.

 Realistically I can only save for one HF xcvr. I chose Elecraft based
 on lurking on this reflector and learning about their excellent
 support - I don't think I can go wrong buying from these guys.
 However, I don't know if I should save for a K2 or a K3. I think it
 will take me about a year to save for the base K2 kit or about 2 years
 to save for the base K3 kit. I need to make sure that whichever I get,
 it will be something I am happy with for a long time as I would not be
 able to afford to replace it.

 I would like to operate cw and ssb, but cw only would be fine until I
 could afford the ssb option if I went for the K2. I am intrigued by
 building a K2 (I am handy with a soldering iron), but on the other
 side of the coin it seems like you get a lot more radio with the K3.
 So, if you were in my shoes, which would you save for? On the air
 sooner with a K2 or waiting longer for a K3? All input is most
 welcome.

 73,


-- 
Robert G. Strickland, PhD, ABPH - KE2WY
rc...@verizon.net
Syracuse, New York, USA
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Re: [Elecraft] K2 vs. K3 Rcvr

2012-02-22 Thread Gary D Krause
Hi Bert,

I have both the K2 and K3.  I also operate almost 100% CW and in a casual 
manner.  I don't contest but, I work a lot of QRP.  I had the same question 
before I bought the K3.  So, to answer your question based on casual 
operating, I would say that there is little difference.  I seem to able to 
hear weak signals just as well with the K2 using it's filters and the audio 
DSP filter.

Gary,
N7HTS


On Mon, 20 Feb 2012 05:11:52 -0500
  Bert Craig wa...@arrl.net wrote:
 I'm contemplating replacing my K2/100's desktop companion, a Ten-Rec 
Jupiter, with a K3/100. I operate 100% casual CW.
 
 Does anybody feel that the K2's rcvr is equal to or better than that of the 
K3, additional bells and whistles notwithstanding?
 
 Vy 73 de Bert
 WA2SI
 
 ...and all the pieces matter.
  -- Det. Lester Freamon, BPD
 
 Sent from my Verizon Wireless 4GLTE smartphone
 
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[Elecraft] K2 vs. K3 Rcvr

2012-02-20 Thread Bert Craig
I'm contemplating replacing my K2/100's desktop companion, a Ten-Rec Jupiter, 
with a K3/100. I operate 100% casual CW.

Does anybody feel that the K2's rcvr is equal to or better than that of the K3, 
additional bells and whistles notwithstanding?

Vy 73 de Bert
WA2SI

...and all the pieces matter.
  -- Det. Lester Freamon, BPD

Sent from my Verizon Wireless 4GLTE smartphone

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Re: [Elecraft] K2 vs. K3 Rcvr

2012-02-20 Thread Rick Stealey


 Does anybody feel that the K2's rcvr is equal to or better than that of the 
 K3, additional bells and whistles notwithstanding?
 
Bert - There probably are some people, but if so they have never operated a K3. 
 I have had a K2 as 
well as my K3 and in my opinion there are only 3 advantage of the K2, size, 
weight, and current drain.
And the first two are only advantages if you are considering portable 
operation.  As far as performance,
the K3 wins in every category I can think of.  But what do you mean by better?

Rick  K2XT
  
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Re: [Elecraft] K2 vs. K3 Rcvr

2012-02-20 Thread Ariel Jacala

Bert
The specs say it all.  The K2 is no slouch compared to the K3 in terms of MDS 
(Minimum discernable signal), BDR (Blocking Dynamic Range) and such.  The K3 
begins to have an edge in terms of IMD (intermodulation distortion) and phase 
noise.  In that sense I believe the K3 is a better contesting rig specially 
when you add the bells and whistles.  There are other advantages to a K2 - such 
as current draw - as low as 200mA versus the K3's 800mA which makes it better 
for portable ops using batteries - better at conserving energy and it is much 
smaller - even as a K2/100.  Plus you have the bragging right of having almost 
as good a receiver as a K3 which you soldered together.
See the ARRL and Sherwood specs on the Elecraft page.
Ariel NY4G

 Date: Mon, 20 Feb 2012 05:11:52 -0500
 From: wa...@arrl.net
 To: elecraft@mailman.qth.net
 Subject: [Elecraft] K2 vs. K3 Rcvr
 
 I'm contemplating replacing my K2/100's desktop companion, a Ten-Rec Jupiter, 
 with a K3/100. I operate 100% casual CW.
 
 Does anybody feel that the K2's rcvr is equal to or better than that of the 
 K3, additional bells and whistles notwithstanding?
 
 Vy 73 de Bert
 WA2SI
 
 ...and all the pieces matter.
   -- Det. Lester Freamon, BPD
 
 Sent from my Verizon Wireless 4GLTE smartphone
 
 __
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Re: [Elecraft] K2 vs. K3 Rcvr

2012-02-20 Thread Bert Craig
Hi Rick,

By better, I mean very quiet receive that's pleasing to the ear (Subjective, I 
know.) That can dig the weakest dige out from the noise floor. My unit is 
strictly a desktop rig, no portable operation. Tnx for the reply.

73, Bert

...and all the pieces matter.
  -- Det. Lester Freamon, BPD

Sent from my Verizon Wireless 4GLTE smartphone

- Reply message -
From: Rick Stealey rstea...@hotmail.com
To: wa...@arrl.net, elecraft@mailman.qth.net
Subject: [Elecraft] K2 vs. K3 Rcvr
Date: Mon, Feb 20, 2012 06:21
 Does anybody feel that the K2's rcvr is equal to or better than that of the 
 K3, additional bells and whistles notwithstanding?
 
Bert - There probably are some people, but if so they have never operated a K3. 
 I have had a K2 as 
well as my K3 and in my opinion there are only 3 advantage of the K2, size, 
weight, and current drain.
And the first two are only advantages if you are considering portable 
operation.  As far as performance,
the K3 wins in every category I can think of.  But what do you mean by better?

Rick  K2XT
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Re: [Elecraft] K2 vs. K3 Rcvr

2012-02-20 Thread Andrew Moore
Bert - From a purely technical / functional standpoint (i.e. numbers), and
aside from current drain and bells/whistles, the K3's receiver has the
edge, and I think most would agree.

The K2's receiver is superb, and I occasionally try to make it my only rig
by putting the K3 aside for a few days at a time, as I prefer the K2 for
its analog signal path, size, current drain, simplicity, fewer
bells/whistles, through-hole design, etc. I usually last only about a day,
because for some reason I prefer the sound of the K3's receiver - it just
sounds smoother, more refined, whatever that means. This could be
influenced by user interface, controls, display, for all I know.

Like you, I operate 100% casual CW (and an occasional QRP sprint) and it
took me a while to hear the differences between the two receivers. A
contester or DXer might hear the differences faster.

Bottom line - yes I think the K3 receiver has the edge, but to a casual op,
the differences might not jump out at you, but after a while, you might
find yourself preferring it.  Everything in life's a tradeoff - the K2
still wins for a lot of other reasons (see above) and its receiver is right
up there among the best.

I find the advantage of the K3's receiver to be not so much in the
sensitivity, but in the selectivity, noise reduction and what you can do
with the DSP.

There's an op in my area who enjoys working DX and uses only a K2 at 5
watts to do it, and very successfully - after spending an afternoon in his
shack watching and learning, I saw he could do more with a K2 at 5 W than
I'll ever do with a K3 at 100. It was a humble reminder that it's more
about the op, patience, persistence and the antenna.  Of course you can do
that too with the K3.

--Andrew, NV1B



On Mon, Feb 20, 2012 at 5:11 AM, Bert Craig wa...@arrl.net wrote:

 ...
 Does anybody feel that the K2's rcvr is equal to or better than that of
 the K3, additional bells and whistles notwithstanding?

 Vy 73 de Bert
 WA2SI


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Re: [Elecraft] K2 vs K3 ?

2009-03-13 Thread Gary D Krause
I'm wondering if we took a ham into a room, blindfolded, sat him or her down 
if front of a K2 and K3, didn't let them touch either one, if he or she could 
tell which is the K2 and K3?  I would have to be someone that doesn't have any 
experience with either one.  I wonder which one would win based on sound 
alone.  Also, they would have to use headphones rather than the internal 
speakers.

Gary, N7HTS


On Thu, 12 Mar 2009 13:03:21 -0700
  Darwin, Keith keith.dar...@goodrich.com wrote:
 As much as I love my K3, I'll admit that the K2 sounded better.  The
 difference wasn't big and I may be off-base, having not done a direct
 A/B comparison, but I think the K2, with its simpler RX architecture,
 has a smoother sound than the K3.  Not enough for me to stay with the
 K2, but enough that it can be noticed.
 
 - Keith N1AS -
 - K3 711 - 
 
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Re: [Elecraft] K2 vs K3 ?

2009-03-13 Thread David Yarnes
Gary and All,

Well, interesting conjecture, but nowhere close to a valid 
test of either rig.

Dave W7AQK


- Original Message - 
From: Gary D Krause n7...@bresnan.net
To: Elecraft elecraft@mailman.qth.net
Sent: Friday, March 13, 2009 8:27 AM
Subject: Re: [Elecraft] K2 vs K3 ?


 I'm wondering if we took a ham into a room, blindfolded, 
 sat him or her down
 if front of a K2 and K3, didn't let them touch either one, 
 if he or she could
 tell which is the K2 and K3?  I would have to be someone 
 that doesn't have any
 experience with either one.  I wonder which one would win 
 based on sound
 alone.  Also, they would have to use headphones rather 
 than the internal
 speakers.

 Gary, N7HTS


 On Thu, 12 Mar 2009 13:03:21 -0700
  Darwin, Keith keith.dar...@goodrich.com wrote:
 As much as I love my K3, I'll admit that the K2 sounded 
 better.  The
 difference wasn't big and I may be off-base, having not 
 done a direct
 A/B comparison, but I think the K2, with its simpler RX 
 architecture,
 has a smoother sound than the K3.  Not enough for me to 
 stay with the
 K2, but enough that it can be noticed.

 - Keith N1AS -
 - K3 711 -

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Re: [Elecraft] K2 vs K3 ?

2009-03-12 Thread Julian, G4ILO



John Jeffers wrote:
 
 Hi
 
 I looked through the Archives and FAQ's and see the K3 is a All in one
 rig with top of line features.
 
 The K2 was the former one.  With a little less features and not all in
 one processor.  It uses pic 18C452 instead of 18F452 etc so you can't
 flash upgrade it as easily.
 
 (I program Linux systems and PIC systems.)
 
 But I can make a qrp rig for $770 K2 kit instead of $1400 K3 semi-kit
 and I am an electrical engineer.
 
 Is there any good reason to go to the K3?
 
 VE3GYV John
 
 P.S. K1's sell for more  assembled on Ebay than Kits  So the
 issues of losing money on the rig appear to not be true.
 
 

I have a K2, and went for the K3 because of its much improved support for
digimodes (which were really an afterthought on the K2) and FM (which isn't
catered for at all.) The fact that the currency exchange rates were
favourable at the time I ordered it, and the credit crunch hadn't happened,
had a bearing on it too.

I think the K2 and K3 are like apples and oranges. The K2 is a more basic
radio with an emphasis on portability (small size, light weight, low current
consumption, facility for internal battery.) Plus it has the unique benefit
that you get to build it. The K3 is clearly designed to be more of a high
end desktop radio for those who want the ultimate in receiver performance.
And even if you'd prefer to build it, you only get to assemble it.

If you aren't sure you need the K3 then in my opinion you probably don't. I
don't chase DX, I only contest casually, and I don't really need a high end
radio. If Elecraft had brought out a K2 Mk II with 1Hz VFO resolution and
dedicated input/outputs for digi modes it would probably have done the job
for me, even without FM. So your decision will surely depend on whether
there are things you want to do that the K2 can't do.

-
Julian, G4ILO. K2 #392  K3 #222.
http://www.g4ilo.com/ G4ILO's Shackhttp://www.g4ilo.com/kcomm.html KComm
for Elecraft K2 and K3   http://www.wota.org.uk/ Wainwrights On The Air 

-- 
View this message in context: 
http://n2.nabble.com/K2-vs-K3---tp2464089p2466185.html
Sent from the Elecraft mailing list archive at Nabble.com.

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Re: [Elecraft] K2 vs K3

2009-03-12 Thread Ron D'Eau Claire
And they sold quickly from the beginning. My K2, purchased in April of 2000,
is S/N 1289. 

At that time they had a 30-day order backlog. 

Ron AC7AC

-Original Message-

Bob's comment is correct.  I was at that meeting also, and was absolutely 
blown away by the performance in such a small prototype package.

Milt, N5IA



 On Mar 11, 2009, at 4:53 PM, K2ZLS wrote:
Many of  us  on the Elecraft Reflector were raised on the K2.  I
 guess its been about 8 years in development.

 More like 10+ years.  I recall seeing Eric's presentation on the K2
 at the 1999 Cactus Intertie meeting in Tucson.

 Bob, N7XY


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Re: [Elecraft] Elecraft K2 vs. K3

2009-03-12 Thread Robert C.Abell
Hi John,

I noticed your inquiry on the Elecraft reflector this AM.

I own both a K2/100 and a K3/100. I have built three K2's and my K3/100. 
Depending on your interests the K3 is superior,
especially the receiver. The k2 was primarily designed as a CW rig and lacks in 
SSB output. The VOX perpormance is inadequate.
Don't however get me wrong the K2 is an excellent product provided it is 
assembled properly.
It is very easily put together and you will obtain excellent help, if needed, 
from Elecraft or the many responders to the reflector.

The K3 is the best transceiver available today' bar none. There is nothing that 
it cannot do. Buy the kit version, save $300.

I live in Wellesley, a small town west of Kitchener/Waterloo. Feel free to 
e-mail or call me if I can help in your descision.

73, Bob  VE3XM
519 656-9940
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Re: [Elecraft] K2 vs K3 ?

2009-03-12 Thread Darwin, Keith
-Original Message-

... the K3 is a All in one rig with top of line features.

The K2 was the former one.

But I can make a qrp rig for $770 K2 kit instead of $1400 K3 semi-kit
and I am an electrical engineer.

Is there any good reason to go to the K3?

VE3GYV John



Absolutely, yes, there are many good reasons to go K3 over K2.

I had a K2 and really liked it but wished it did some things better.
The K2 s-meter left me rather unimpressed.  CW sidetone quality was good
but not great.  I used an external AF filter to clean it up.  The K2
display didn't give all that much information.  The fan on the K2/100 is
very noisy.  I used an external fan to keep the rig cool so the internal
fan would not turn on.  The K2's SSB performance was good but no better.
I run CW only so I didn't care, however.

I upgraded to a K3/10 and absolutely love it.  CW sidetone is very
sweet.  AGC performance is better (adjustable).  The S-meter is better.
Display is better.  I have 2 key inputs (one for paddles one for manual
key) instead of just one.  The rig feels like a real rig rather than a
very nice QRP rig.

When you do your price comparison, make sure you're comparing equivalent
rigs.  The K3 comes with built-in DSP and does not need AF filtering.
With the K2 you have to add the DSP or AF as an option.  K3 covers 160
meters - optional in the K2.

- Keith N1AS -
- K3 711 -
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Re: [Elecraft] K2 vs K3 ?

2009-03-12 Thread WILLIS COOKE


 Another thing you need to watch is that many features that
 are standard on the K3 are options on the K2.  You can
 double the price of the basic kit really quick with the
 options, so be sure to think about the options that you want
 or need before you decide.
 
 Willis 'Cookie' Cooke 
 K5EWJ
 
 
 --- On Thu, 3/12/09, Darwin, Keith
 keith.dar...@goodrich.com wrote:
 
  From: Darwin, Keith keith.dar...@goodrich.com
  Subject: Re: [Elecraft] K2 vs K3 ?
  To: elecraft@mailman.qth.net
  Date: Thursday, March 12, 2009, 11:03 AM
  -Original Message-
  
  ... the K3 is a All in one rig with top of line
 features.
  
  The K2 was the former one.
  
  But I can make a qrp rig for $770 K2 kit instead of
 $1400
  K3 semi-kit
  and I am an electrical engineer.
  
  Is there any good reason to go to the K3?
  
  VE3GYV John
  
i
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Re: [Elecraft] K2 vs K3 ?

2009-03-12 Thread Michael van Hauten
yes guys,
the K3 is a great rigg, with all the features we knew from oher great riggs. 
But the K2 is classic and puristic. It is the same when you compare 
motorbikes: the K3 is like a Honda Goldwing and the K2 is like a older 
Harley. I for myself prefer riding a old Harley. I built 4 K2's and sold 
them all to get a K3. Now i have a K3 but i missed adjusting and playing 
with the K2. So i bought a used K2 and i'am happy now that a K2 is back in 
my home.
Michael, DC0ZO 

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Re: [Elecraft] K2 vs K3 ?

2009-03-12 Thread Darwin, Keith
As much as I love my K3, I'll admit that the K2 sounded better.  The
difference wasn't big and I may be off-base, having not done a direct
A/B comparison, but I think the K2, with its simpler RX architecture,
has a smoother sound than the K3.  Not enough for me to stay with the
K2, but enough that it can be noticed.

- Keith N1AS -
- K3 711 - 

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Re: [Elecraft] K2 vs K3 ?

2009-03-12 Thread Stephen W. Kercel
John and other Elecrafters:

I am an extremely happy K2 owner. I have operated a K3 and I intend to 
get one someday, but I am not in a particular hurry. In the interest of 
full disclosure, I am strictly a CW guy, and any voice quality 
advantages that K3 might have over the K2 are lost on me.

As other posters have mentioned, the K3 has many features that all work 
somewhat better than the K2.

To the question of whether or not there is any good reason to go to the 
K3, there is one good basic engineering reason. It has better dynamic 
range. On the weak signal end, the K3 local oscillator has lower phase 
noise than the K2. That means that in low ambient noise situations such 
as 10 or 6 meters, the K3 will hear weak signals that the K2 does not 
hear. On the strong signal end, the K3 has a saturation level as good as 
(or marginally better than) the rigs that sell for $10K+. That is 
significant in low band DXing and contesting; when you're trying to hear 
that weak signal on 80 meters for that rare multiplier and W5 Texas 
Kilowatt fires up the big rig a few 10s of KHz down the band from 
where you're listening, the K3 is much less likely than the K2 to be 
desensed (meaning that your ability to copy the rare multiplier 
suddenly vanishes whether or not you can actually hear the interfering 
signal) by his (somehow, very few of these honking big signals are 
transmitted by women) booming signal.

Anyway, what you're paying the big bucks for is dynamic range. If you're 
interested in copying extremely weak signals (in the presence of large 
but undesired signals) in either the high bands or low bands, then the 
added dynamic range of the K3 is well worth the $3400 (or so) for a 
fully tricked out K3. If you mostly operate in a less demanding setting 
the added dynamic range might not be worth the extra cost.

Some posters have noted that the K3 is designed to be the ultimate 
contest rig. Compare it to car racing. Race cars cost more than cars for 
highway driving. Unless you actually plan to race it, do you need to buy 
one?

73,

Steve Kercel
AA4AK

 The K2 was the former one.

 But I can make a qrp rig for $770 K2 kit instead of $1400 K3 semi-kit
 and I am an electrical engineer.

 Is there any good reason to go to the K3?

 VE3GYV John

   

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Re: [Elecraft] K2 vs K3 ?

2009-03-12 Thread Kevin Rock
I think my K2 is more like a Spanish trials bike.  Well balanced, nimble, and 
plenty of torque!
   Kevin.  KD5ONS

Bultaco, Montessa, or Ossa.



-Original Message-
From: Michael van Hauten vanhau...@t-online.de
Sent: Mar 12, 2009 3:09 PM
To: elecraft@mailman.qth.net, @unspecified-domain
Subject: Re: [Elecraft] K2 vs K3 ?

yes guys,
the K3 is a great rigg, with all the features we knew from oher great riggs. 
But the K2 is classic and puristic. It is the same when you compare 
motorbikes: the K3 is like a Honda Goldwing and the K2 is like a older 
Harley. I for myself prefer riding a old Harley. I built 4 K2's and sold 
them all to get a K3. Now i have a K3 but i missed adjusting and playing 
with the K2. So i bought a used K2 and i'am happy now that a K2 is back in 
my home.
Michael, DC0ZO 
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Re: [Elecraft] K2 vs K3

2009-03-12 Thread John Jolley
So for the discussion about K2 vs K3, I don't know much about either but am
preparing to purchase.  Is the K3 portable to any degree?  One of the things
that attracted me to the K2 was not only building it but the fact that at
least at low power, it was very portable.  Thanks in advance!

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ron D'Eau Claire
Sent: Thursday, March 12, 2009 11:29 AM
To: 'elecraft List'
Subject: Re: [Elecraft] K2 vs K3

And they sold quickly from the beginning. My K2, purchased in April of 2000,
is S/N 1289. 

At that time they had a 30-day order backlog. 

Ron AC7AC

-Original Message-

Bob's comment is correct.  I was at that meeting also, and was absolutely 
blown away by the performance in such a small prototype package.

Milt, N5IA



 On Mar 11, 2009, at 4:53 PM, K2ZLS wrote:
Many of  us  on the Elecraft Reflector were raised on the K2.  I
 guess its been about 8 years in development.

 More like 10+ years.  I recall seeing Eric's presentation on the K2
 at the 1999 Cactus Intertie meeting in Tucson.

 Bob, N7XY


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Re: [Elecraft] K2 vs K3 ?

2009-03-12 Thread Bill Johnson
Keith,

I can make my K3 sound just the way I want buy adjusting the equalizer.  I
use the same outboard speaker for both K's.


Bill

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Darwin, Keith
Sent: Thursday, March 12, 2009 3:03 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K2 vs K3 ?

As much as I love my K3, I'll admit that the K2 sounded better.  The
difference wasn't big and I may be off-base, having not done a direct
A/B comparison, but I think the K2, with its simpler RX architecture,
has a smoother sound than the K3.  Not enough for me to stay with the
K2, but enough that it can be noticed.

- Keith N1AS -
- K3 711 - 

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Re: [Elecraft] K2 vs K3

2009-03-12 Thread Bob Tellefsen
John
The K3 is a very portable QRP radio.
I've used it the past two Field Days with
battery power and my solar panels to keep
the batteries up.
Great field radio.
No feel for the 100w unit on batteries though.
73, Bob N6WG

- Original Message - 
From: John Jolley jjol...@columbus.rr.com
To: 'elecraft List' elecraft@mailman.qth.net
Sent: Thursday, March 12, 2009 4:17 PM
Subject: Re: [Elecraft] K2 vs K3


 So for the discussion about K2 vs K3, I don't know much about either but 
 am
 preparing to purchase.  Is the K3 portable to any degree?  One of the 
 things
 that attracted me to the K2 was not only building it but the fact that at
 least at low power, it was very portable.  Thanks in advance!

 -Original Message-
 From: elecraft-boun...@mailman.qth.net
 [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ron D'Eau Claire
 Sent: Thursday, March 12, 2009 11:29 AM
 To: 'elecraft List'
 Subject: Re: [Elecraft] K2 vs K3

 And they sold quickly from the beginning. My K2, purchased in April of 
 2000,
 is S/N 1289.

 At that time they had a 30-day order backlog.

 Ron AC7AC

 -Original Message-

 Bob's comment is correct.  I was at that meeting also, and was absolutely
 blown away by the performance in such a small prototype package.

 Milt, N5IA



 On Mar 11, 2009, at 4:53 PM, K2ZLS wrote:
Many of  us  on the Elecraft Reflector were raised on the K2.  I
 guess its been about 8 years in development.

 More like 10+ years.  I recall seeing Eric's presentation on the K2
 at the 1999 Cactus Intertie meeting in Tucson.

 Bob, N7XY


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[Elecraft] K2 vs K3 ?

2009-03-12 Thread James Duffey
The difference in price between a fully equipped K2 at $1230 and a  
bare bones K3 at $1400 is $170, or slightly more than 10%. For that  
extra $170 you get a better integrated rig, six meters, FM, 20 dB  
better dynamic range, and a host of other features typical of top of  
the line rigs. If you add the 6M transverter to the K2 to bring 6M  
capability to the K2, the price of the K2/XV50 combination is actually  
higher.

The base K-2 is a very nice reasonably priced CW only rig for either  
base or portable operation. When you add in SSB, computer I/o  
interface, 160M, 60M/transverter interface, noise blanker, and the DSP  
filter, it seems like less of a good deal, especially when compared to  
the K3. So if you want a barebones K2, that is a good deal. If you  
want a full featured rig, you are better off with the K3.

The K2 is better than the K3 in two respects, it is smaller and it  
draws less current.

For most people, the K3 is a much better deal than the K2. - Duffey
--
KK6MC
James Duffey
Cedar Crest NM





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Re: [Elecraft] K2 vs K3 ?

2009-03-12 Thread Don Wilhelm
I must agree with Jim Duffey's assessment.
The K2 is a great transceiver, but when all the options are added to 
make it an all band 160m through 10 meter transceiver with SSB and noise 
blanker and audio DSP, the K3 with its built-in 160 meter through 6 
meter coverage, built-in IF DSP which allows not only SSB but FM and AM 
modes too, the small price differential makes the K3 a bargain priced 
transceiver.

A basic K3/10 will do all that a K2/10 will do and more.  One does not 
need to fill all the filter slots, nor add all the options to have a 
great performing transceiver, so the price comparison should be between 
a basic K3 and a K2 with the K160RX, KNB2, KSB2 and KDSP2 options - 
there is not much of a difference.

Of course, the K2 is built from parts soldered in by the builder while 
the K3 is a plug-together kit.  Some may define a hand-built K2 as being 
more personal and therefore having more value than a plug-together K3 
kit, and who am I to argue with that perspective, it is a thrill to see 
something you assembled from small bits and pieces come to life.

Both the K2 and the K3 have their great points, but if you are after the 
best performance for the dollar, the basic K3 is IMHO the best deal on 
the ham market today.  The K2 is also a bargain if one is willing to 
give up some of the bands and features that come 'stock' with the basic 
K3, and for portable QRP operation, the K2 has less current draw which 
leads to more operating time on a battery.

73,
Don W3FPR

James Duffey wrote:
 The difference in price between a fully equipped K2 at $1230 and a  
 bare bones K3 at $1400 is $170, or slightly more than 10%. For that  
 extra $170 you get a better integrated rig, six meters, FM, 20 dB  
 better dynamic range, and a host of other features typical of top of  
 the line rigs. If you add the 6M transverter to the K2 to bring 6M  
 capability to the K2, the price of the K2/XV50 combination is actually  
 higher.

 The base K-2 is a very nice reasonably priced CW only rig for either  
 base or portable operation. When you add in SSB, computer I/o  
 interface, 160M, 60M/transverter interface, noise blanker, and the DSP  
 filter, it seems like less of a good deal, especially when compared to  
 the K3. So if you want a barebones K2, that is a good deal. If you  
 want a full featured rig, you are better off with the K3.

 The K2 is better than the K3 in two respects, it is smaller and it  
 draws less current.

 For most people, the K3 is a much better deal than the K2. - Duffey
 --
 KK6MC
 James Duffey
 Cedar Crest NM
   

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Re: [Elecraft] K2 vs K3 ?

2009-03-12 Thread David Heinsohn
Don Wilhelm wrote:
 I must agree with Jim Duffey's assessment.
 The K2 is a great transceiver, but when all the options are added to 
 make it an all band 160m through 10 meter transceiver with SSB and noise 
 blanker and audio DSP, the K3 with its built-in 160 meter through 6 
 meter coverage, built-in IF DSP which allows not only SSB but FM and AM 
 modes too, the small price differential makes the K3 a bargain priced 
 transceiver.
   

  While I have NO argument with this reasoning, I chose to build the K2 
because I could afford it as a basic kit.   And I have every reason to 
think that I'll be able to afford to add about one of the listed options 
a month.  This I will be able to do without putting anything on my 
already overstressed credit cards.  Were I to try to buy a K3 it would 
be many months before the cash would be in hand.  [ The budget 
committee, KB4WYR, is fully behind this project as well. And would 
lament having to wait for a K3.]
  The K2 is expected to be one of the building blocks for our VHF/UHF 
station, with a K3 coming along as it can.  I'm thinking that this 
combination will give us a good high end weak signal station for 50 mhz 
and up.

73
de
KD0R
#6708 in build

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Re: [Elecraft] K2 vs K3

2009-03-12 Thread WILLIS COOKE

The K3 draws about 1 amp with one receiver, about an amp and one half with two 
receivers.  It draws about 20 amps transmitting 100 watts, 15 amps at 50 watts, 
11 amps at 25 watts, and about 3.5 amps at 5 watts. It is very easy to set the 
power that you want so you don't spend any more battery than you need to.  The 
above readings were taken with the power supply on about 13.8 volts. 

It weighs about 8 pounds.  It is very portable in my opinion, but you might 
prefer a KX-1 if you are going to hike the Appalachian Trail with your 
transceiver and a battery.

 

Willis 'Cookie' Cooke 
K5EWJ


--- On Thu, 3/12/09, John Jolley jjol...@columbus.rr.com wrote:

 From: John Jolley jjol...@columbus.rr.com
 Subject: Re: [Elecraft] K2 vs K3
 To: 'elecraft List' elecraft@mailman.qth.net
 Date: Thursday, March 12, 2009, 4:17 PM
 So for the discussion about K2 vs K3, I don't know much
 about either but am
 preparing to purchase.  Is the K3 portable to any degree? 
 One of the things
 that attracted me to the K2 was not only building it but
 the fact that at
 least at low power, it was very portable.  Thanks in
 advance!
 
 -Original Message-
 From: elecraft-boun...@mailman.qth.net
 [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ron
 D'Eau Claire
 Sent: Thursday, March 12, 2009 11:29 AM
 To: 'elecraft List'
 Subject: Re: [Elecraft] K2 vs K3
 
 And they sold quickly from the beginning. My K2, purchased
 in April of 2000,
 is S/N 1289. 
 
 At that time they had a 30-day order backlog. 
 
 Ron AC7AC
 
 -Original Message-
 
 Bob's comment is correct.  I was at that meeting also,
 and was absolutely 
 blown away by the performance in such a small prototype
 package.
 
 Milt, N5IA
 
 
 
  On Mar 11, 2009, at 4:53 PM, K2ZLS wrote:
 Many of  us  on the Elecraft
 Reflector were raised on the K2.  I
  guess its been about 8 years in development.
 
  More like 10+ years.  I recall seeing Eric's
 presentation on the K2
  at the 1999 Cactus Intertie meeting in Tucson.
 
  Bob, N7XY
 
 
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[Elecraft] K2 vs K3 ?

2009-03-11 Thread John Jeffers
Hi

I looked through the Archives and FAQ's and see the K3 is a All in one
rig with top of line features.

The K2 was the former one.  With a little less features and not all in
one processor.  It uses pic 18C452 instead of 18F452 etc so you can't
flash upgrade it as easily.

(I program Linux systems and PIC systems.)

But I can make a qrp rig for $770 K2 kit instead of $1400 K3 semi-kit
and I am an electrical engineer.

Is there any good reason to go to the K3?

VE3GYV John

P.S. K1's sell for more  assembled on Ebay than Kits  So the
issues of losing money on the rig appear to not be true.
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Re: [Elecraft] K2 vs K3 ?

2009-03-11 Thread Bill Johnson
Yes, It's called features and you get what you pay for. I Have both and they
are great radios. Let your budget help you decide.


73,

Bill
K9YEQ
K2 #35; KX1 #35; K3 #1744; mini mods


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of John Jeffers
Sent: Wednesday, March 11, 2009 5:02 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K2 vs K3 ?

Hi

I looked through the Archives and FAQ's and see the K3 is a All in one
rig with top of line features.

The K2 was the former one.  With a little less features and not all in
one processor.  It uses pic 18C452 instead of 18F452 etc so you can't
flash upgrade it as easily.

(I program Linux systems and PIC systems.)

But I can make a qrp rig for $770 K2 kit instead of $1400 K3 semi-kit
and I am an electrical engineer.

Is there any good reason to go to the K3?

VE3GYV John

P.S. K1's sell for more  assembled on Ebay than Kits  So the
issues of losing money on the rig appear to not be true.
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Re: [Elecraft] K2 vs K3 ?

2009-03-11 Thread W5CEM

You should get MANY interesting responses to your query!  I for one have
found the K3 receiver to be far and above better than the K2, although my
time with the K2 was limited to one weekend.  As well, if SSB is a mode you
enjoy, in the K2 that is an add-on and a bit dicier than the smooth, already
there features of the K3!  That said, if I had the time and money, I would
build a K2 as a little brother to my K3.

I will be watching this thread with interest...

cleve
-- 
View this message in context: 
http://n2.nabble.com/K2-vs-K3---tp2464089p2464189.html
Sent from the Elecraft mailing list archive at Nabble.com.

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[Elecraft] K2 vs K3

2009-03-11 Thread K2ZLS
 Hi  John,

   Your post tells a lot about you.  The first part is strong in EE and 
Programming experience.

   The last sentence says that you are a little lite in Ham experience.

   Many of  us  on the Elecraft Reflector were raised on the K2.  I 
guess its been

   about 8 years in development.  You really need to expand your horizons in

   Ham Radio.   Buy  the  K3.  Its a no-brainer.  There are many,  many

   horizons that you will never see if you limit yourself to K2.  There 
are Contests

   you will need a second receiver,  DVR  for recording and playback, 
there is

   UHF and VHF  6 meters,  there is an alphabet soup of DATA modes for which

   the K3 excels at and  SDR  with upgrades that change almost weekly.  
I'm sure

   there are many experiences that a LOT of us have yet to RTFM to find 
out about.

   There is a saying here in NEW YORK that goes, You can't win it if 
your not in it.

   73's  and enjoy the K3 experience.

 Tony   K2ZLS
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Re: [Elecraft] K2 vs K3 ?

2009-03-11 Thread Mike-WE0H
Here's my perspective from not owning any Elecraft radio until ~ a month ago. I 
have read about the K2 for many years and always wanted one. I heard them on 
the air and heard others comments about owning one. I have never owned a new 
rig, only bought repair-ables and repaired them to use. So along comes the 
opportunity to buy a Elecraft radio at the Orlando hamfest. The XYL asks me 
which one do I want to order. I was thinking, get a decent radio, yet keep the 
costs reasonable. My decision was to order the K2 with some nice features. I 
couldn't justify ordering the K3, just because it costs so much more than the 
K2. That's my only reason, economics. I'm retired and the XYL still works so I 
hate to spend the funds she earns.

My next Elecraft radio will be a loaded K1 for portable operating. The K2 is 
too nice to bring outside in my opinion.

Mike
WE0H
K2 S/N 6698



John said:
Hi

I looked through the Archives and FAQ's and see the K3 is a All in one
rig with top of line features.

The K2 was the former one.  With a little less features and not all in
one processor.  It uses pic 18C452 instead of 18F452 etc so you can't
flash upgrade it as easily.

(I program Linux systems and PIC systems.)

But I can make a qrp rig for $770 K2 kit instead of $1400 K3 semi-kit
and I am an electrical engineer.

Is there any good reason to go to the K3?

VE3GYV John

P.S. K1's sell for more  assembled on Ebay than Kits  So the
issues of losing money on the rig appear to not be true.

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Re: [Elecraft] K2 vs K3 ?

2009-03-11 Thread Randy Moore
Well, this is interesting!  I'm agonizing over this very issue.  I have 
K2 #337, built in late 1999, that has served me extremely well.  I have 
always watched this reflector, so I was one of the first non-field test 
people to notice Wayne's announcement of the K3.  Then I read every word 
about it, including the manuals, and saved my pennies (and quarters and 
dollars!) until I was able to order one last year, taking delivery of 
K3/10 #2006 in late October.  I have been delighted with it, both 
performance wise and operationally.  I've downloaded all the beta 
firmware releases and never had any issue with them that wasn't taken 
care of within about 24 hours of the beta release.

I operated SSCW and then ARRL DX CW with the K3 and that's when I began 
to have some doubts about whether the K3 is for me or not.  Running QRP 
during these contests with simple wire antennas, I found that I couldn't 
usually be heard through all the QRM by anybody who wasn't S8-9 at my 
QTH.  That means that the outstanding features of the K3 receiver 
weren't doing me much good in those circumstances.  In a more normal 
situation of working a weak station with little or no QRM, I believe the 
K2 does just as well as the K3 for me.  So I've about decided that the 
K3 is just not a cost effective solution for my style of operating.  I 
really love it, but I just can't justify keeping both it and my 
venerable K2!   I'm seriously bonded with the K2,  so I'm on the verge 
of offering my K3 for sale.  But it hurts to even consider it :-(

73,
Randy, KS4L
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[Elecraft] k2 vs k3

2009-03-11 Thread Brett Gazdzinski
I find building the k2 from scratch VERY much fun, and would not want to 
miss out on it.
It really is an amazing radio, the whole package.
I enjoy building them so much I built two so far, plus a K1.

It does not have all the features some operators might want, but you build 
it, its small, and it works fantastic. The reward you get from operating 
something you built from a pile of parts is priceless.

I don't really desire a K3 (yet).

Brett
N2DTS


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Re: [Elecraft] K2 vs K3 ?

2009-03-11 Thread Mike-WE0H
My opinion, keep the K3  the K2. You may later on regret selling 
anything and then the money might not be there to build another one. 
Just put it on the shelf for now.

Other options are the AN762 amp that FAR circuits sells a board for and 
eBay has 2SC2879 transistor's for it and they are dirt cheep. That'd be 
well over 100w output just idling. Communications Concepts sells the 
complete kit for it with the more expensive MRF transistors if you don't 
have a stash of components for it already.

Mike
WE0H



Randy M wrote:
 Well, this is interesting!  I'm agonizing over this very issue.  I have 
 K2 #337, built in late 1999, that has served me extremely well.  I have 
 always watched this reflector, so I was one of the first non-field test 
 people to notice Wayne's announcement of the K3.  Then I read every word 
 about it, including the manuals, and saved my pennies (and quarters and 
 dollars!) until I was able to order one last year, taking delivery of 
 K3/10 #2006 in late October.  I have been delighted with it, both 
 performance wise and operationally.  I've downloaded all the beta 
 firmware releases and never had any issue with them that wasn't taken 
 care of within about 24 hours of the beta release.

 I operated SSCW and then ARRL DX CW with the K3 and that's when I began 
 to have some doubts about whether the K3 is for me or not.  Running QRP 
 during these contests with simple wire antennas, I found that I couldn't 
 usually be heard through all the QRM by anybody who wasn't S8-9 at my 
 QTH.  That means that the outstanding features of the K3 receiver 
 weren't doing me much good in those circumstances.  In a more normal 
 situation of working a weak station with little or no QRM, I believe the 
 K2 does just as well as the K3 for me.  So I've about decided that the 
 K3 is just not a cost effective solution for my style of operating.  I 
 really love it, but I just can't justify keeping both it and my 
 venerable K2!   I'm seriously bonded with the K2,  so I'm on the verge 
 of offering my K3 for sale.  But it hurts to even consider it :-(

 73,
 Randy, KS4L
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Re: [Elecraft] K2 vs K3 ?

2009-03-11 Thread Dale Putnam

Actually Randy, all you have discovered... is that there are a lot of folks out 
there, that could benefit from the addition of a K3 in their shack, so they 
would be able to hear as well as you do. Simple, and factual. Do you need to 
send your K2 or K3 away because they can't hear? Likely not. Do they need to 
improve thier stations? Yep. 

  Now, if you want to loan your K3 off, for the time being, I'd be happy to 
borrow it for a bit... *G* But that way, you could have it back when you decide 
that you want it back...

*G*

--... ...-- Dale - WC7S in Wy


 


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Re: [Elecraft] K2 vs K3

2009-03-11 Thread Milt, N5IA
Bob's comment is correct.  I was at that meeting also, and was absolutely 
blown away by the performance in such a small prototype package.

Milt, N5IA

- Original Message - 
From: Bob Nielsen n...@clearwire.net
To: elecraft List elecraft@mailman.qth.net
Sent: Wednesday, March 11, 2009 8:28 PM
Subject: Re: [Elecraft] K2 vs K3



 On Mar 11, 2009, at 4:53 PM, K2ZLS wrote:
Many of  us  on the Elecraft Reflector were raised on the K2.  I
 guess its been about 8 years in development.

 More like 10+ years.  I recall seeing Eric's presentation on the K2
 at the 1999 Cactus Intertie meeting in Tucson.

 Bob, N7XY

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[Elecraft] K2 vs K3

2008-05-08 Thread Gary Gregory
I have adjusted the RX EQ to alter the sound of the audio and in particular
when using the 1.0Khz filter.

I have now achieved a somewhat rich tone (to my poor old ears) that is
pleasant to listen too. I had no idea just how good I could make it when
using the 1.0Khz filter on ssb when I started but it sounds pretty good to
me.

Anyway, I was surprised just how nice it sounded compared to my K3.
 The audio seems softer and warmer somehow.  Same bandwidth (400Hz),
 same phones.  The K3 background noise just sounded harder, more harsh.
 I've had this feeling from day one.

cheers,
Gary
VK4WT...#679
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[Elecraft] K2 vs K3 re: final COST

2007-07-01 Thread DOUGLAS ZWIEBEL

A comparison of the kit K2 vs the modular K3 has previously been made:

http://www.ac6rm.net/mailarchive/html/elecraft-list/2007-05/msg00837.html

If you add on the cost of a builder, shipping from the builder back to
you, then you have to REALLY want a K2 to cost-justify getting one
now.

Did Elecraft unintentionally put the K2 semi-official builders out to pasture?

Very happy with my K2; anxiously awaiting my K3 (and even more
anxiously awaiting the receiver specs for the K3 which, I hope, will
precede the arrival of my K3!).

de Doug KR2Q
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Re: [Elecraft] K2 vs K3 re: final COST

2007-07-01 Thread Jim Miller
Welcome to the economics of SMT: tape and reel vs poly bags for kits, 
relentless and unerring automated assembly and volume economics benefits of 
the basic parts.

When added to the technical benefits of improved parasitics and thermals it 
puts thruhole on the endangered species list.

73

jim ab3cv

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Re: [Elecraft] K2 vs K3 re: final COST

2007-07-01 Thread Don Wilhelm

DOUGLAS ZWIEBEL wrote:


Did Elecraft unintentionally put the K2 semi-official builders out to 
pasture?



Doug,

That may likely be true that a fair price to build the K2 will cast a 
shadow on the K3 kit price.


Comparisons are being made between an assembled K2 and the K3 kit price. 
 When you use the assembled K3 prices, there is still room for the 
lower priced K2. the kit to assembled differential on the K3 adds $200 
or more depending on the power level, sub-receiver, etc.


The K2 is still more modular than the K3, so in cases where the buyer 
wants a basic QRP K2 with no options, it may be cost effective for some.


73,
Don W3FPR


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Re: [Elecraft] K2 vs K3 re: final COST

2007-07-01 Thread Julian G4ILO

On 7/1/07, Don Wilhelm [EMAIL PROTECTED] wrote:


Comparisons are being made between an assembled K2 and the K3 kit price.
  When you use the assembled K3 prices, there is still room for the
lower priced K2. the kit to assembled differential on the K3 adds $200
or more depending on the power level, sub-receiver, etc.

The K2 is still more modular than the K3, so in cases where the buyer
wants a basic QRP K2 with no options, it may be cost effective for some.


I don't think price enters into it if you want the fun of building
your radio. I seem to remember that Heathkit radios were more
expensive than ready built Japanese gear. Perhaps that's why they went
out of business, but it wouldn't have stopped me buying one if I'd had
the money back in thise days.

--
Julian, G4ILO
G4ILO's Shack: www.g4ilo.com
K2 s/n: 392  K3 s/n: ???
www.Ham-Directory.com: the best ham resources on the net
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Re: [Elecraft] K2 vs K3 re: final COST

2007-07-01 Thread Fred (FL)
I doubt if it is SMT devices and auto-board
stuffers that made the economy of K3 what it is.
Electronic integration marches on.  Remember the
Collins 75A4, or Heath Marauder?  Now it is possible
to put just about everything, save the large L's,
into siicon.  I suspect one bright engineer on
the Elecraft staff - could layout 5 or 6 MOSIS
silicon circuits (ala USC/ISIS) - to cover a
large percentage of a K3, add in a LSI Logic
device for the DSP, and perhaps 1 Analog Devices
linear device - for the K4 control logic -
and the whole K4 could be integrated into just
the Control/User Panel.  Maybe pack it all -
into the ATU.

I remember, not too many years ago (88), 
having a meeting in a room at Bell Lab's Allentown
facility (or was it NJ) - and behind me on
the wall of that lab - which had a brass plaque
which read ... in this lab in 1953 (or whatever
the correct year was), the first transistor
IC was invented.   Wow - time marches on!

I saw it again, when I peeked inside a 2007
IC-706MKIIG at the top board - and saw
literally 100's and 100's of SMT devices,
on 1 board.  And we are seeing it again, in
the soon to be shipped K3.  Wow - can't
wait.

de, Fred N3CSY


   
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 for the edge of your seat? 
Check out tonight's top picks on Yahoo! TV. 
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Re: [Elecraft] K2 vs K3 re: final COST

2007-07-01 Thread AJSOENKE
Most of the posts, so far, have dealt with the  K2/K3 cost differential on a 
basis of fun to build and production manufacturing  economics. In the SMT vs 
PTH/discreet component examples cited there was limited  mention of the vastly 
expanded capabilities and somewhat improved performance -  not to mention the 
many new options and programming features of the K3. Needless  to say (and I 
believe Brian noted) the fact that the change to SMT was largely  driven by the 
extreme addition of parts count to duplicate the process using  PTH/discreet. 
Packaging such a system would be nightmarish and much more  expensive. 

Considering the many anticipated advantages of the K3 over a  K2, even a 
modest added cost would more than justify the purchase for an  individual not 
strongly driven by the addictive scent of vaporized pine  resin.
It is also quite possible that the assembly of the K3 is within the  
capabilities of the prospective buyer, giving them the possibility of doing  
something 
more than opening a box and not quite as challenging as a  K2.

It may be suggested that VLSI/LSI designs could also reduce the parts  count 
and simplify assembly. No doubt, but the economics of the design of the  
device and finding a manufacturer who would tool up and run the devices at an  
affordable level is highly unlikely at the quantities involved. That sort of  
setup usually requires 10s of thousands to even consider. BTDT.

An  example from industry involved a unit that is part of a military weapons 
system  that ran into the 20,000 plus range of deliveries. Cost was 
substantial and the  device ran on a single VLSI programmable device. After 
producing 
10,000 units,  it was decided to regress to a device that was two LSI OTS 
devices and some  added discreets. The redesign of the PWB and changes in 
production 
tooling etc  was far offset by the lower cost of the custom VLSI and reduced 
the price of the  system to the customer (taxpayer) by 10%  

73 Al WA6VNN



** See what's free at http://www.aol.com.
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Re: [Elecraft] K2 vs K3 re: final COST

2007-07-01 Thread N2EY
In a message dated 7/1/07 5:55:52 PM Eastern Daylight Time, 
[EMAIL PROTECTED] writes:


 I doubt if it is SMT devices and auto-board
 stuffers that made the economy of K3 what it is.

I think it is. 

 Electronic integration marches on. 



 Remember the
 
 Collins 75A4, or Heath Marauder?  

Yes. They had several sources of cost:

1) Lots of small-run custom parts
2) Lots of expensive parts
3) Lots of assembly labor (75A-4) or lots of manual-writing labor (any Heath)

Remember that both of those were designed, manufactured and sold long before 
CADD or desktop publishing were available. When a change was made, they 
*literally* went back to the drawing board.


Now it is possible
 
 to put just about everything, save the large L's,
 into siicon.  

I don't think so.

There's a lot of quartz in a K2 or K3. Lots of relays and fairly large 
capacitors, too.

But even if almost all of a K3 could be put on silicon, that doesn't mean 
it's the best way to do the job. 

I suspect one bright engineer on
 
 the Elecraft staff - could layout 5 or 6 MOSIS
 silicon circuits (ala USC/ISIS) - to cover a
 large percentage of a K3, add in a LSI Logic
 device for the DSP, and perhaps 1 Analog Devices
 linear device - for the K4 control logic -
 and the whole K4 could be integrated into just
 the Control/User Panel.  Maybe pack it all -
 into the ATU.
 

Maybe. But there would be a lot of issues to deal with, such as coupling and 
isolation, high power RF, etc.

The problem with custom parts is that for a small-run item like a ham rig, 
the economics may not be there, compared to using as many stock parts as 
possible. The 75A-4 and Marauder used a lot of custom parts because there was 
no 
other option back then. 

There's also the factor of how long we expect a system to last, and what we 
consider the ultimate failure mode and repairability. We hams tend to expect 
our rigs to last decades, not years, and we expect them to be repairable, not 
if it breaks after the warranty runs out, go buy another one. 

 I remember, not too many years ago (88), 
 having a meeting in a room at Bell Lab's Allentown
 facility (or was it NJ) - and behind me on
 the wall of that lab - which had a brass plaque
 which read ... in this lab in 1953 (or whatever
 the correct year was), the first transistor
 IC was invented.   Wow - time marches on!
 

1959, IIRC. 

 I saw it again, when I peeked inside a 2007
 IC-706MKIIG at the top board - and saw
 literally 100's and 100's of SMT devices,
 on 1 board.  And we are seeing it again, in
 the soon to be shipped K3.  Wow - can't
 wait.
 

One of the things that made Heathkit and other kit companies like Eico and 
EFJohnson was the economics of electronics manufacture. In the days of
point-to-point wiring, the labor of assembling even a simple piece of 
electronics was a considerable part of the selling price. Heath etc. could 
offer a 
competitive price by eliminating that labor cost. That had to be balanced 
against the cost of writing the assembly manuals, and having to come up with 
designs 
that didn't need lots of test gear. Automated assembly largely eliminated 
that cost advantage for Heath.

Elecraft's advantage so far has been the use of elegant design (hence the 
name) to minimize the number of custom parts used, and the overall number of 
parts used. Look at a basic K2 - it's a couple of small circuit boards in an 
ingenious cabinet, with almost no wires at all. The K3 is a somewhat new 
direction, 
in that the components are boards. 

73 de Jim, N2EY


**
 See what's free at 
http://www.aol.com.
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Re: [Elecraft] K2 vs K3 re: final COST

2007-07-01 Thread Augie Hansen


remember, not too many years ago (88), 
having a meeting in a room at Bell Lab's Allentown

facility (or was it NJ) - and behind me on
the wall of that lab - which had a brass plaque
which read ... in this lab in 1953 (or whatever
the correct year was), the first transistor
IC was invented.   Wow - time marches on!
1959, IIRC. 


Actually, the transistor was born in the Labs in late 1947. It became 
available at an affordable price to kids like me (and grownups, too) by 
the early 1950s when Raytheon produced the CK722. I bought my first one 
at the tender age of nine to build transistor projects that appeared in 
articles in Popular Electronics and other magazines of the day.


Gus Hansen
KB0YH

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Re: [Elecraft] K2 vs K3 re: final COST

2007-07-01 Thread Augie Hansen



... which had a brass plaque
which read ... in this lab in 1953 (or whatever
the correct year was), the first transistor
IC was invented.   Wow - time marches on!
1959, IIRC. 


Actually, the transistor was born in the Labs in late 1947. It 
became available at an affordable price to kids like me (and grownups, 
too) by the early 1950s when Raytheon produced the CK722. I bought my 
first one at the tender age of nine to build transistor projects that 
appeared in articles in Popular Electronics and other magazines of the 
day.


I hate having to correct my own email responses, but I missed an 
important detail in the original post: It refers to the first transistor 
IC. So the correction indicating 1959 is right. I recall a side trip 
tour of Bell Labs at Murray Hill in early 1961 when I was trying to 
decide where to go for an EE degree program. One of the  labs we toured 
was involved in perfecting integrated circuit design and fabrication 
techniques, and we were told that they had been working on this project 
for few years. The primary goal of that particular project was to 
improve the high frequency performance of the devices.


Gus Hansen
KB0YH

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Re: [Elecraft] K2 vs K3 audio

2007-06-24 Thread K0PQar
Hello Everyone,

Like Ken, I too am puzzled over the insufficient-audio issue with the K2. 

FWIW both of my K2s (one with a QRP lid, the second with the KPA100 lid) 
produce way more audio than I find necessary for my needs. 

I typically run both rigs with the RF Gain fully CW and the Audio Gain at about 
the 10AM position.  Use of the DSP filters in the QRO rig will sometimes 
require a bit more Audio Gain, but not much.  I also seldom use headphones.  
Most of my QSOs are in the CW mode.  

I can't comment on the K3's audio. 

73,

Steve Banks
K0PQ
Sent via BlackBerry from T-Mobile

-Original Message-
From: Ken Kopp [EMAIL PROTECTED]

Date: Sat, 23 Jun 2007 21:10:30 
To:elecraft@mailman.qth.net
Subject: [Elecraft] K2 vs K3 audio


From the posts I've read in the past there would seem to
be large differences in the amount of audio delivered by
a K2.

Perhaps those of you who service them or in some other
way have exposure to multiple K2's can comment.

Mine's speaker level ia completely adequate and can be 
turned up far beyond comfortable ... for me, anyway.

Ken Kopp - K0PP
[EMAIL PROTECTED]

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Re: [Elecraft] K2 vs K3 audio

2007-06-24 Thread igor sokolov
I am  new user of K2. Pretty recent serial number. 100 w version. I also
find the radio has not enough audio gain. It is OK when I operate from my
city shack but when I am in the country where level of QRM is really low
then there are stations on 10 and 15 meters that are definitely copiable but
not loud enough in the headphones even with AF and RF gain fully CW. I had
to build external AF amp to rectify that problem. My several other radios
( Icoms) have plenty of AF in the same environment. I never turn AF on IC765
more then 12 hours CW.
Another issue that I ran into is SWR meter diodes that get killed by static
quite regularly. Again neither IC765 nor IC751A that I have never suffered
from that using same antennas in the same shack. I wonder if other members
of the reflector ever suffered from this issue. How did you cure it?
Two more issues separate my K2 from ideal radio:
No SSB monitor. I just cannot control what comes out of the external audio
keyer.
No RIT = 0 button which is great inconvenience in CW contests where a lot of
people call off the freq.  I have tried to use split mode and A=B button
instead but the logic in the firmware is such that it does not allow such
use.

Just my impressions as a new user.

73, Igor UA9CDC



 Hello Everyone,

 Like Ken, I too am puzzled over the insufficient-audio issue with the
K2.

 FWIW both of my K2s (one with a QRP lid, the second with the KPA100 lid)
produce way more audio than I find necessary for my needs.

 I typically run both rigs with the RF Gain fully CW and the Audio Gain at
about the 10AM position.  Use of the DSP filters in the QRO rig will
sometimes require a bit more Audio Gain, but not much.  I also seldom use
headphones.  Most of my QSOs are in the CW mode.

 I can't comment on the K3's audio.

 73,

 Steve Banks
 K0PQ
 Sent via BlackBerry from T-Mobile

 -Original Message-
 From: Ken Kopp [EMAIL PROTECTED]

 Date: Sat, 23 Jun 2007 21:10:30
 To:elecraft@mailman.qth.net
 Subject: [Elecraft] K2 vs K3 audio


 From the posts I've read in the past there would seem to
 be large differences in the amount of audio delivered by
 a K2.

 Perhaps those of you who service them or in some other
 way have exposure to multiple K2's can comment.

 Mine's speaker level ia completely adequate and can be
 turned up far beyond comfortable ... for me, anyway.

 Ken Kopp - K0PP
 [EMAIL PROTECTED]

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[Elecraft] K2 vs K3 audio

2007-06-23 Thread Ken Kopp

From the posts I've read in the past there would seem to

be large differences in the amount of audio delivered by
a K2.

Perhaps those of you who service them or in some other
way have exposure to multiple K2's can comment.

Mine's speaker level ia completely adequate and can be 
turned up far beyond comfortable ... for me, anyway.


Ken Kopp - K0PP
[EMAIL PROTECTED]

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Re: [Elecraft] K2 vs K3 audio

2007-06-23 Thread Jeff Kinzli N6GQ

My K2 (#5945) has tons of audio, both in the headphones as well as in
the speaker. My volume knob never gets above about 1/4-1/3 scale.

Jeff N6GQ

On 6/23/07, Ken Kopp [EMAIL PROTECTED] wrote:

From the posts I've read in the past there would seem to
be large differences in the amount of audio delivered by
a K2.

Perhaps those of you who service them or in some other
way have exposure to multiple K2's can comment.

Mine's speaker level ia completely adequate and can be
turned up far beyond comfortable ... for me, anyway.

Ken Kopp - K0PP
[EMAIL PROTECTED]

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