So buy an Alpha, or a Commander. or a
Some of us don't have a kind regulator that will allow us more than 400W
PEP...yep, some of us do comply...we are in the minority no doubt, but
nevertheless we comply and the KPA-500 fits the bill nicely.
:-)
Gary
On Fri, Sep 10, 2010 at 3:33 PM,
Hi Stan,
Please could you point me in the direction of the revision G-11 of March 10? I
have #6998. It was delivered with the G-10 errata, but looking on the Elecraft
website in the manual section, its only rev G-10 of October 20 2009 listed as
current. Is the new revision hidden somewhere
On 9/10/2010 6:10 AM, Phil Townsend wrote:
So I got me a ten watt k3... I like it... It is very good. It works. And I'm
thinking of a KPA500.
But to run the KPA500 I gotta get the 100 watt add-on first. Hu Is
that a deal breaker? Might be. If I don't get the hundred water then I
John,
I don't understand the rationale behind your quest.
Normally, one should use the errata sheet that is packed with your kit.
Unless some error was made in packing, that errata pertains to your kit
at the time it was packed. Attempting to use an errata sheet that
applies to kits packed
Unregulated is not a problem if it is a good solid stiff supply. The MFJ is
certainly not.
- Original Message -
From: Scott Ellington sdell...@facstaff.wisc.edu
To: elecraft@mailman.qth.net
Sent: Thursday, September 09, 2010 5:11 PM
Subject: Re: [Elecraft] KPA-500 Features and Pricing
I currently use an Acom 1000 amp on 80 and 6m and a homebrew
semiconductor amp (160W o/p) on 4m.
The features I really like about solid state amps is their efficiency
(50-60%), and zero warm up time. I often find on 6m that I can hear
interesting but very weak dx that needs the amp, but I have
Don and John, the source of the G11 Errata was Gary Surrency of
Elecraft. G10 was packed with my kit; G10 is also the only one on the
Elecraft website. Thus, there is no source to which I can point you
to download a copy other than to contact supp...@elecraft.com. As a
customer, I had no
I think some of the folks who are calling for gigawatt amplifiers (ok, full
legal limit...) are losing focus on one key fact: Elecraft has prospered by
making products that SOME hams want that NOBODY else makes. The K3 is a perfect
example: an exquisite transceiver, quite arguably the best
New 1700 volt sic jfet
http://www.semisouth.com/news/press_releases/2010-04-30_New_1700V_and_1200V_SiC_JFETs.html
Sent from my iPad
On Sep 10, 2010, at 7:12 AM, Phil Townsend phi...@me.com wrote:
A company called Semi South builds some very serious solid state devices that
can swing 30 amps
Edward R. Cole wrote:
I could not find
the configuration where one enables/disables mic bias (using Heil
HM-10 mic), but adjusting mic gain and compression I finally saw some
RF output (TUNE button worked right off).
Page 20 of the latest manual under MIC.
73, Bill
--
View
Is this going to work with the K2?
Yeah, I'm still one of those guys.
--
Hisashi T Fujinaka - ht...@twofifty.com
BSEE(6/86) + BSChem(3/95) + BAEnglish(8/95) + MSCS(8/03) + $2.50 = latte
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My 3 cents: I like the idea of the 500w with 6 meters. I am using a
THP2.5kfx on low bands now to get the extra s unit. I would gladly have use
for it and the KPA500. As already mentioned: Foolish to battle in the
market place where it is already full. But 6m and the low bands in the 500
watt
Graham,
I have an ACOM 1000 also, and I like it a lot. I have developed a way to beat
the
problem of missing a QSO because of the warm up time. I turn the ACOM on when
I
first come into the shack :-P
73, Mike NF4L
On 9/10/2010 8:53 AM, Graham Kimbell G3TCT wrote:
I currently use an
There is the little matter of Part 97, Section 97.317, which limits amplifiers
to 15 dB gain (10 watts in - 316 watts out). After all, the FCC still needs
to protect us from all those CB'ers (does anyone even use CB anymore?)
Bob, N7XY
On Sep 9, 2010, at 9:10 PM, Phil Townsend wrote:
So I
I'd like to focus on several important core items. These are absolute
guidelines for list behavior.
The Elecraft list is provided as a service to our customers and other hams, and
to provide Wayne, myself and other Elecraft employees with direct feedback from
you on technical, operational and
Lew,
Except for issues related to physical size, most of your rationale for
not producing a 2KW amp seems equally applicable to a 500W amp.
The K3, from a marketing perspective, played into a vacant market
niche.The Japanese companies had focused on low-end, how cheap can
we make it
Mike,
That's the way I handle my Alpha 8410's waiting period to come on, I just
let her idle while I tune around, hi. As for the KPA-500, perhaps this is a
module, and Elecraft will devise a means of combining 2 of them, so we can
put one on each side and still be a balanced, 1kw+, good
Jack,
The amp market on the other hand doesn't seem to have any vacant
niches, MFJ has the low end and mid-range covered and there are a
herd of companies duking it out over the high end market.
The one vacant market niche - and one Elecraft appear to have avoided -
is the US Legal Limit
I couldn't agree more!!
I just bought a new ACOM 2000A because the KPA-1500 was not going to be
built any time soon. I didn't want to spend that much on a non-Elecraft
product, but I'm extremely happy with my purchase. The QSK and automatic
tune up are top notch. I am confident Elecraft
The only SS amp I know of to fulfill the HF+6 US legal limit requirement
is the forthcoming SPE 2K-FA. I don't believe FCC certification is yet
complete, but according to SPE, availability is the second half of 2010 to
the rest of the world. SPE's literature places a target price of EUR
After all the market research, it comes down to intuition. Eric and I
asked a simple question. How cool would be it be if we could pack 500
watts+ and a ultra-low-noise linear supply into an enclosure the same
size as the K3? The answer was obvious to us as well as to our focus
group. We
And often entertaining!
Rich
NU6T
On 9/9/2010 6:43 PM, Ken Kopp wrote:
It's a form of market research ... interesting and
educational for some, too. (:-)
73! Ken - K0PP
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On Fri, Sep 10, 2010 at 11:43 AM, Bob Nielsen n...@clearwire.net wrote:
There is the little matter of Part 97, Section 97.317, which limits
amplifiers to 15 dB gain (10 watts in - 316 watts out).
Ourselves as individuals, we can build for ourselves (or modify) an
amp to other gain figures.
I am in the same boat as it were, having bought the K3/10. If I
were considering the KPA500 then I would be looking for 40-50w driver
for it. That is a 6-dB amp driven by 12w from the K3/10. That ought
to be simple to make. So will K3 roll out one? Or an entrepreneur
ham come up with one?
I agree with you, Nige.
Jerry AI6L
-Original Message-
From: Nige [mailto:ni...@hotmail.com]
Sent: Thursday, September 09, 2010 2:40 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KREF3 External Reference Option
I appreciate everyone's enthusiasm to convince me and was warmed
Try a 17 watt shoe combined with an internal power supply in place
of the KAT3/KPA3. 73, Guy
On Fri, Sep 10, 2010 at 12:59 PM, Edward R. Cole kl...@acsalaska.net wrote:
I am in the same boat as it were, having bought the K3/10. If I
were considering the KPA500 then I would be looking for
I agree Jerry I'll keep watching and waiting before I'll buy. Sam kf4yox
--
From: Jerry T. Dowell a...@sbcglobal.net
Sent: Friday, September 10, 2010 12:55 PM
To: 'Nige' ni...@hotmail.com; elecraft@mailman.qth.net
Subject: Re: [Elecraft] KREF3
Hello All:
I guess I'll throw my 2 cents worth in the pot. I have been waiting for a
QRO amplifier from Elecraft for some time now. I've truly enjoyed all my
Elecraft products which include four radios. The build of the K2/100 was the
richest experience and I learned a very great deal. The QRO
wayne burdick wrote:
We think it's an amazing little amp, and we hope some of you will, too.
73,
Wayne
N6KR
I have a K3/100 and a P3 and use a Ten Tec Centaur amp. The setup works well
and is forgiving of my goofs.
I see the KPA500 as an interesting concept and would seriously
I'd like to offer that my favored types of operation do not fit what are
seemingly the foci of many of the participants that seem to constitute the
Elecraft fan base. I am not a DXer, Contester, QRPer, CW or Keyboard
Operator. In short, I am a nearly 100% SSB HF, Rag-Chew operator. December
of
Thank you for putting your post in OUR language. I've been licensed for 61
years and operate mostly SSB and occasionally DX if in the mood. I've owned
almost every radio over the years except the 7800 and 9000. No interest in
those bloated boxes. I came from a Flex 5000 to the K3 and haven't
Joe,
Why not stack 4 KPA500's and use a combiner!!!
73
Tony Fegan VE3QF
On Fri-10-Sep-10 12:15 PM, Joe Subich, W4TV wrote:
Snip:
The one vacant market niche - and one Elecraft appear to have avoided -
is the US Legal Limit solid state segment. There are literally
dozens of 500 -
Let's end this thread for now. The number of posts onthe topic have clearly
exceeded the normal list limit.
We appreciate the feedback and will post more info on the AMP as it gets closer
to release.
73,
Eric
Elecraft List Moderator
www.elecraft.com
_..._
Edward Dickinson, III wrote:
I'd like to offer that my favored types of operation do not fit what
are seemingly the foci of many of the participants that seem to
constitute the Elecraft fan base. I am not a DXer, Contester, QRPer,
CW or Keyboard Operator. In short, I am a nearly 100% SSB HF,
Why not stack 4 KPA500's and use a combiner!!!
Why accept the cost of four separate control systems,
four sets of lowpass filters, four separate power
supplies and four cases?
73,
... Joe, W4TV
On 9/10/2010 3:22 PM, Tony Fegan VE3QF wrote:
Joe,
Why not stack 4 KPA500's and use a
On Thu, 9 Sep 2010 20:20:27 -0700, Wayne Burdick n...@elecraft.com
wrote:
Below...
Doug Person wrote:
Maybe this time they used all the input from the previous [amp]
attempt
to refine the price point and feature set
And when the KPA-500 is released, it will be based on tons of
Not true, Look at the new offering from RMItaly DLA-1000, matched pair of
MRF157, $4k ouch.
Mel
--- On Fri, 9/10/10, Tony Fegan VE3QF jafe...@rogers.com wrote:
From: Tony Fegan VE3QF jafe...@rogers.com
Subject: Re: [Elecraft] KPA500
To:
Cc: elecraft@mailman.qth.net
Date: Friday, September 10,
Ian,
Good comment...:-)
Gary
On Sat, Sep 11, 2010 at 5:55 AM, Ian White GM3SEK gm3...@ifwtech.co.ukwrote:
Edward Dickinson, III wrote:
I'd like to offer that my favored types of operation do not fit what
are seemingly the foci of many of the participants that seem to
constitute the
Not true, Look at the new offering from RMItaly DLA-1000, matched
pair of MRF157,
RM Italy's specifications are an outright fabrication. The MRF-157
is rated for 600 W PEP ... there is no way two of them are going to
make 1500 W CW/RTTY or 1500 W PEP SSB and be clean. Of course RM
Italy's
Ian and all,
I too am not really a DX'er etc, but do love to have a nice conversation
that may last for several minutes to sometimes several hours. I have had my
share of all of the rice radios and the older USA brands. It only took one
evening with a now SK, K6TNX, K3 who was kind enough
Dick, KA5KKT. is right as far as I'm concerned. Like him, I'm 99% rag
chewer, although almost all CW instead of SSB.
Years ago many guys bought certain makes of transmitters and receivers for
the reasons he cites as opposed to raw performance. I was an E.F. Johnson
transmitter fan (mostly
Please state price including shipping in a direct email to me (not the list
please).
TU 73!
Bill W4ZV
--
View this message in context:
http://elecraft.365791.n2.nabble.com/WTB-500-Hz-5-pole-for-K3-tp5520029p5520029.html
Sent from the Elecraft mailing list archive at Nabble.com.
In addition to 'DXers, Contesters, QRPers, CW and Keyboard Operators,' The
efforts of Elecraft are not wasted on me, a Rag-Chew Operator.
73,
Dick - KA5KKT
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Seems like one of the list regulars ran some test on a RM 200W amp
some months back, the gist of which was that it had horrible IMD at its
rated power (200W) but had typical 13.8V IMD numbers at 100W.
So maybe it's actually a 1000W PEP amp and a some odd hundred watt CW
amp, from a company
Ah, yes Stan - I can see now: there are x28 0.001 (102) caps on the RF board,
but only 22 designators listed in the manual. Searching the text, I can see
that C1, C2, C9, C17, C26 and C27 are missing from the designators column. And
there's definitely no erratum on the Rev G10 sheet related to
You are in good company with Elecraft owners.
Mel
--- On Fri, 9/10/10, Edward Dickinson, III softb...@windstream.net wrote:
From: Edward Dickinson, III softb...@windstream.net
Subject: [Elecraft] to those in Pounce Mode...
To: Elecraft Reflector Elecraft@mailman.qth.net
Date: Friday, September
Hi Stan All,
For those interested, I rechecked the Elecraft site today and the new, rev G11
has just been posted.
Thanks!
John
VK7JB
This email was sent from Netspace Webmail: http://www.netspace.net.au
Hi Jack
They are not better regardedin Europe. They have always been CB amps in the
eyes of most hams.
Its mostly new hams from the CB band who like using these horrible amps. RM HF
amps have terrible IMD performance especially under dynamic voice conditions.
The positive reviews by well
I can't speak to the delay on the errata appearing, but the ONLY change from
G10 to G11 was to add those ref des to the parts list. The total capacitor
count is correct and all the instructions in install them are correct.
The only time I'd expect anyone to notice the reference designators are
I *REALLY* like Guy's Blue Sky proposal, Wayne and Eric.
I would seriously consider getting rid of my trusty and very
economical to operate ALS600 with AD5X QSK Mod and MFJ998
tuner system for something like this for my next station
upgrade in a few years.
The complete station integration is the
Hi,
I frequently see some RFI talkback on transmitted audio on my K3,
which serial number is on 4000's batch.
When second rig is TX on 80m, I get the whole audio being coupled by the K3.
Is this a common issue? Any tips to solve?
73
--
Felipe Ceglia - PY1NB
Good evening, folks. Can someone point me toward a source of some more
recent contstruction photos for the K2, especially the Control Board. I
just compared mine to the K2 Builder's Manual and my Rev B3r board
doesn't match what's in the Elecraft photo (their board looks like it
says, Rev
Stan,
While there are slight differences between the Rev A and Rev B Control
boards (a pot for the AGC Threshold instead of a fixed resistor as a
for instance), please tell us what you are specifically looking for.
If you followed the instructions carefully, it should be assembled
properly.
Thanks Don and Alexy. I have what I need now. Alexy, your link to
Atsushi's photo log was perfect. I saw my Control Board version with
inductor L1 as well as the old diode D3 I'll be replacing with a
resistor. I've put Atsushi's photo log on my favorites bar. I'm all set
now! Thanks
Found these on the net and thought some of you may like this
A bit on the pricey side
http://www.73cnc.com/73cnc/elecraft.html
George NE2I
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Help:
$150 plus heavy enough to bend shafts. Wow.
Dick, WO1I
At 10:31 PM 9/10/2010, GEORGE CORTEZ wrote:
Found these on the net and thought some of you may like this
A bit on the pricey side
http://www.73cnc.com/73cnc/elecraft.html
George NE2I
A very fair and true statement.
Although there is a large something left out.
Some 7,000 strong ops who are K2 owners should be included as well.
Carry on Eric and Wayne.
73, Skip WB4DAD
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Stan,
Please resist the temptation to build by the photos. Use the
instructions in the manual in the order given and you will get the job
done. If you want to compare the final result with the photos, then
that is OK, but do not try to use the photos as your building guide -
do the manual
Please, let's not do the knob thing again, been there, done that.
Check the archives.
73,
Tony W7GO
On 9/10/2010 8:33 PM, Richard S. Lindzen wrote:
$150 plus heavy enough to bend shafts. Wow.
Dick, WO1I
At 10:31 PM 9/10/2010, GEORGE CORTEZ wrote:
Found these on the net and thought some
Adds almost another pound to the DXpedition radio...
On 9/10/2010 10:33 PM, Richard S. Lindzen wrote:
$150 plus heavy enough to bend shafts. Wow.
Dick, WO1I
At 10:31 PM 9/10/2010, GEORGE CORTEZ wrote:
Found these on the net and thought some of you may like this
A bit on the pricey side
Please excuse if this subject has been beaten to death.
Is there a way to provide a change of state or output on any of the Aux I/O
pins ONLY when the K3DVR is playing on the air.
I'm looking for a way to mute my microphone during DVR playback.
Thanks in advance,
Nick, K7MO
On Fri, 10 Sep 2010 21:35:49 -0300, Felipe Ceglia wrote:
When second rig is TX on 80m, I get the whole audio being coupled by the K3.
Please give more detail about your problem. Are both radios transmitting at
the same time? Both K3s, or one a different radio? Is there a computer
feeding
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