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Just when I thought my problems were over. I just won't go away folks, like a
bad penny.
I was working some cw on the k2 with the headphones. After I was done, I
pulled the headphones out of the jack and nothing was coming from the speaker.
I got voltage from the headphone jack(that goes to
Hello all,
The Amateur Radio Covered Bridge Society or ARCBS is looking for
amateurs to activate covered bridges on the weekend of September 3-4th.
We are trying to make this the largest on air covered bridge event
ever held. If you can spare the weekend, a day or an hour, please join
us for
Next time I would ensure I didn't fracture my wrist first as it's a little
tricky building the RF board and windingtoroids with my arm in a cast.
73 Dave G3VGR
K2 #4783
- Original Message -
From: Lee Buller [EMAIL PROTECTED]
To: Elecraft Reflector elecraft@mailman.qth.net
Sent:
I recently made a shack upgrade possibly of interest to others.
While the K2 is tops, it's little internal speaker is, well, little.
What I did, working backwards from output to input:
- Hooked up some decent speakers to
- 2 channel 65 W car audio amplifier, hooked in turn to
-
sounds cool!
I can just hear it now, sweet sounds of morse code interrupted
by.Rollong Stones (heh heh)!
Ron wb1hga
- Punchier audio, making copying much easier
- Centralized audio control
- Same system can be used for music
- Stereo placement of radios. That is, vhf or swl
And I guess with a set up like this we should take extra care
listening to groups like Kraftwerk or Thomas Dolby that have CW in a
couple of their songs! Toe tapping QRM...
Mike AB3AP
On Fri 29-Jul-05 at 1350 EDT, ron wrote:
sounds cool!
I can just hear it now, sweet sounds of morse code
Thanks Tom, It had been working fine. Just after I unplugged the
headphones after only my 2nd qso, the speaker didn't work. Still plugged in
the board. I wiggled it, nada. Not much it could be so I've ordered a new
headphone jack. Use to, I could jumper it and it would disconnect when I
Hmmm. The headphone jack in K2 4152 is intermittent also. I'm holding my
breath every time I unplug. Seems to be a problematic component, at least some
of them are. Maybe there was a bad batch?
Elecraft, is there a more reliable replacement?
Bill K3UJ
Funny thing is, I was thinking, (and still kinda am), that it was yet
another one of my blunders. hi hi
Roland the rusher builder
#3090
- Original Message -
From: [EMAIL PROTECTED]
To: Elecraft@mailman.qth.net
Sent: Friday, July 29, 2005 1:18 PM
Subject: Re: [Elecraft] speaker problem
Mine has a sticker saying Made in China on it. That pretty much tells you
about the quality. :(
Dave
N7AF
- Original Message -
From: [EMAIL PROTECTED]
To: Elecraft@mailman.qth.net
Sent: Friday, July 29, 2005 1:18 PM
Subject: Re: [Elecraft] speaker problem
Hmmm. The headphone
Bill, K3UJ wrote:
Hmmm. The headphone jack in K2 4152 is intermittent also. I'm holding my
breath every time I unplug. Seems to be a problematic component, at least
some
of them are. Maybe there was a bad batch?
---
Yes, that seems to have
Ron, AC7AC wrote:
I wonder how many people who have had trouble used a large plug or plug
adapter on the phones line there?
==
The headphone jack on my K2 went bad (no speaker audio) early on and I
had to replace it.
The reason it went bad was because I was using an adapter to
I had the same problem. Go into the box and bend the speaker/headphone jack
down. It seems that when you put in the headphones, it bends the connector
up so that when you pull it out, it doesn't make contact to engage the
speaker. Good luck. Let me know if that fixes it.
Jonathan
I was using a small phone plug but it still failed after about a year. I
use headphones most of the time so never took out the plug for the entire
time. When I was going to use the speaker I found the jack had failed.
There are so many headphones around the house with 1/8 plugs that I would
It is a good idea to use a pigtail adapter if one is going from a small jack
on a radio to a larger jack for legacy headphones that you prefer.
Simply create a plug, pigtail of suitable audio flexible cable, and a jack
to accomplish the transition without an adapter putting heavy weight onto
I ordered a 1000 foot spool of wire from ebay per KW4A's suggestion.
The fella I ordered it from shipped it promptly and I received it today.
Nice wire, it appears very strong and should be fairly invisible for
stealth antennas. I put a soldering iron to it and it took solder with
no
Hi Roland-
I just got thru replacing the headphone connector on #4793 which died
after only 2 months service. My Heil headphones have a mini-plug, so I
don't use a mini-to-1/4 phone plug adapter. There are too many K2s
working without incident to say the connector is a flawed design, but it
**Industry Canada Introduces Alternatives to Morse Requirement for HF**
In July 2003, the World Radiocommunication Conference (WRC) 2003 held
by the ITU in Geneva, Switzerland, deleted the mandatory
international requirement for proficiency in Morse for access to the
HF bands below 30 MHz.
I'm using Ham Radio Deluxe/PSK31 Deluxe software which handles the
PTT, but I still need to connect from the sound card to the K2's
microphone jack.
I have the Proset-K2 headset that has an 8 pin adapter that accepts
the monophonic Proset-K2 microphone plug. I would like to use an
audio ground
Dropping the requirement to test for Morse competency is quite different
from dropping Morse as a mode.
As the USA's Federal Communications Commission observed, it didn't make a
lot of sense to test for proficiency in one mode (Morse) and ignore all the
other modes now in use.
It did make
The switch in my headphone jack fell apart within a few months even though
the jack body was still firmly in place. I do use a small right angle plug
plus quite long light weight leads to an inline 1/4in jack, and seldom
unplug the headphones. IMHO the jack is too close to the AF gain control,
Geoff, GM3ESD wrote:
The switch in my headphone jack fell apart within a few months even though
the jack body was still firmly in place. I do use a small right angle plug
plus quite long light weight leads to an inline 1/4in jack, and seldom
unplug the headphones. IMHO the jack is too close
Hi Geoff,
When you find a replacement could you please list it and its part
number on the Reflector? I would like to replace mine with one that is
far more sturdy so it will last longer than it did the first time.
73,
Kevin. KD5ONS
On Sat, 30 Jul 2005 01:11:29 +0100, Geoffrey
I would suggest leaving the resistor in place because your microphone needs
it -- it provides power to the electret element in the mic.
You could put a capacitor in series with the audio to the K2 to provide DC
isolation. Somewhere between 0.1 uf and 1 uf would seem like the proper
range for the
I could never understand those Canadian fists anyway, what with the accent
and all. ;-)
Craig
NZ0R
K1 #1966
K2 #4941
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Eh? :-) - Bruce.
72/73 - Bruce ve5rc/ve5qrp - QRP-C#1, QRP-L#886, A1 Operator
Enter QRP-Canada's RUN with RAC contest -
details - http://www.qrp-canada.com
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Craig
Hi,
I've been trying to decide whether to get the KPA100 or an external power
amplifier such as the Ameritron ALS-500 or SGC power cube. From what I
understand, the Ameritron (which uses 4 of the same transistors that the KPA100
uses) will deliver 150-200W with the K2 and the SGC will run
Mike, WA1SEO, wrote:
I've been trying to decide whether to get the KPA100 or an external power
amplifier such as the Ameritron ALS-500 or SGC power cube. From what I
understand, the Ameritron (which uses 4 of the same transistors that the
KPA100 uses) will deliver 150-200W with the K2 and the
On Fri, 29 Jul 2005, Mike Stricker wrote:
So, while mulling over the pros and cons, I would like to get an idea
of how much time the KPA100 would take to build for a seasoned kit
builder/homebrewer.
It took me a weekend. I tend to get sucked in when I do things like this
and I have some
Ron, AC7AC wrote:
AHA! You've uncovered another variable in the equation. As a certified O.T.
CW operator, I set the AF gain at a level just below where the audio channel
noise is apparent in the phones and control the volume of signals with the
RF GAIN control!
So my fat fingers never crash
On July 30, 2005, Kevin KD5ONS wrote:
When you find a replacement could you please list it and its part
number on the Reflector? I would like to replace mine with one that is
far more sturdy so it will last longer than it did the first time.
At 08:13 PM 7/29/2005, Ron D'Eau Claire wrote:
As the USA's Federal Communications Commission observed, it didn't make a
lot of sense to test for proficiency in one mode (Morse) and ignore all the
other modes now in use.
What the FCC and others who make this argument fail to state is that
Does anyone know if the K2/100 is 100 Watts Peak to Peak? Is so where is it in
the manual?
Dan N7DWA
K2/100 # 4775
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Does anyone know if the K2/100 is 100 Watts Peak to Peak? Is so where is it
in the manual?
Dan N7DWA
K2/100 # 4775
---
It's 100 watts both PEP SSB or CW. See page 47 of Appendix G, 100-W Stage
and RS-232 I/0 (K2/100) manual. Key-down time in CW is limited to hold the
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