Hi Mike,
Wow! I apologize for the problem.
I believe we reviewed your config file and fault log on Friday and we are
authorizing return of the RF deck at our cost and will send you prepaid UPS
shipping label on Monday. I will stay on top of this to make sure it proceeds
quickly.
I will take a
oops... can't type... obviously, I'm using my KPA500 and KAT500 now...
On 2/23/2019 20:13, Mike Cox wrote:
I'm avoiding it now! My KPA1500 died for the second time since it
arrived last September. I contacted service last Thursday and, per
request, sent them my configuration information. Noth
I'm avoiding it now! My KPA1500 died for the second time since it
arrived last September. I contacted service last Thursday and, per
request, sent them my configuration information. Nothing has been heard
since.
Now my "old" KPA500 and KPA500 are back in line and working fine! That
appears
Eric -
I know a number of KPA1500s have been returned to you with one of the
output transistors dead. Is there common source for the problem that
the rest of us can try and avoid?
regards
- Paul
At 10:13 AM 2/16/2019, you wrote:
Hi Peter,
I'm sorry to hear about this failure and deeply ap
Stiction of non lubricated threads can give a false sense of tight
connection. PL259/SO239 in particular can have poor contact through the
ground conductors while the thread seems tight.
When the threads are lubricated stiction does not occur and hand
tightening always ensures that the front r
Argh. Wish I had known that an option!
On Sat, Feb 16, 2019, 12:56 PM John Stengrevics Who uses PL-259s? They suck. I ordered my K3S with Ns and really should
> have specified DINs. But, that is a retrofit project for another day.
>
> John
> WA1EAZ
>
> > On Feb 16, 2019, at 2:47 PM, Jim Brown
io?73,Gary K9GS
Original message From: John Stengrevics
Date: 2/16/19 2:55 PM (GMT-06:00) To:
j...@audiosystemsgroup.com Cc: elecraft@mailman.qth.net Subject: Re: [Elecraft]
KPA-1500 failed! Who uses PL-259s? They suck. I ordered my K3S with Ns and
really should have spec
On 2/16/2019 3:07 PM, Drew AF2Z wrote:
This allows very tight snugging by hand, no need of wrenching.
What's the logic behind that?
73, Jim K9YC
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Help: h
Right Gary, a 7/8 EIA flange would be a much better radio connector:)
Actually I have a few 4.3-10 connecters, they should be an easy swap with
SO-239/N jacks but I have yet to use one and I certainly would not do this
on my K3S.
73,
John KK9A
Gary K9GS wrote:
That's about the silliest thing I
dio?73,Gary K9GS
> Original message From: John Stengrevics <
> jstengrev...@comcast.net> Date: 2/16/19 2:55 PM (GMT-06:00) To:
> j...@audiosystemsgroup.com Cc: elecraft@mailman.qth.net Subject: Re:
> [Elecraft] KPA-1500 failed! Who uses PL-259s? They suck. I o
That's about the silliest thing I've ever heard.Really, DIN connectors on a
radio?73,Gary K9GS
Original message From: John Stengrevics
Date: 2/16/19 2:55 PM (GMT-06:00) To:
j...@audiosystemsgroup.com Cc: elecraft@mailman.qth.net Subject: Re: [Elecraft]
KPA-1500 f
https://en.wikipedia.org/wiki/UHF_connector
On Sat, 16 Feb 2019 14:19:48 -0700 Wes writes:
> Thousands of people; without issue.
>
> Wes N7WS
>
> On 2/16/2019 1:55 PM, John Stengrevics wrote:
> > Who uses PL-259s?
>
> __
> Elecraft
...@mailman.qth.net on
behalf of Drew AF2Z
Sent: Saturday, February 16, 2019 5:07 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KPA-1500 failed!
FWIW, I use NO-OX-ID contact grease on my PL259 connectors. This allows
very tight snugging by hand, no need of wrenching.
During lightning
Amphenol 83-1SP connectors are great however I have a number of Andrew
44ASP, L44P and L45P connectors in my system and I also consider to be very
high quality UHF connectors.
John KK9A
Jim Brown jim at audiosystemsgroup.com
If you live in North America, the ONLY good PL-259 connector is one
swept by a TDR.
- pjd
-Original Message-
From: elecraft-boun...@mailman.qth.net On
Behalf Of Bob McGraw K4TAX
Sent: Saturday, February 16, 2019 12:39 PM
To: elecraft@mailman.qth.net; wrayplace
Subject: Re: [Elecraft] KPA-1500 failed!
Do not trust PL-259 connectors installed
Guys
the problem here is not who use PL259 or what coaxial is using. I think
Peter and most of us, and mostly if you do contests, is not that, we are
using good coax and connectors over the years and no problem with other
radios or amplifiers, thats what Peter said.
If you are in a contest, you p
- pjd
-Original Message-
From: elecraft-boun...@mailman.qth.net On
Behalf Of j...@kk9a.com
Sent: Saturday, February 16, 2019 12:35 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] KPA-1500 failed!
Sorry to hear this happen Peter, especially during a contes. LDMOS devices
are suppose to be
Thousands of people; without issue.
Wes N7WS
On 2/16/2019 1:55 PM, John Stengrevics wrote:
Who uses PL-259s?
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Post
Who uses PL-259s? They suck. I ordered my K3S with Ns and really should have
specified DINs. But, that is a retrofit project for another day.
John
WA1EAZ
> On Feb 16, 2019, at 2:47 PM, Jim Brown wrote:
>
> On 2/16/2019 9:39 AM, Bob McGraw K4TAX wrote:
>> Do not trust PL-259 connectors insta
On 2/16/2019 9:39 AM, Bob McGraw K4TAX wrote:
Do not trust PL-259 connectors installed only "finger tight". Today
many of those PL-259 connectors "look good" but are really poor
quality connectors.
If you live in North America, the ONLY good PL-259 connector is one that
labeled Amphenol 83-1S
Sent: Saturday, February 16, 2019 12:39 PM
To: elecraft@mailman.qth.net; wrayplace
Subject: Re: [Elecraft] KPA-1500 failed!
Do not trust PL-259 connectors installed only "finger tight". Today many of
those PL-259 connectors "look good" but are really poor quality connectors.
Hi Peter,
I'm sorry to hear about this failure and deeply apologize for the problem.
I'll follow up with another email to you to diagnose what actually happened.
In any case we'll deal with it quickly and get your amp repaired asap.
Eric
elecraft.com
_..._
> On Feb 16, 2019, at 6:28 AM,
is.
- pjd
-Original Message-
From: elecraft-boun...@mailman.qth.net On
Behalf Of Paul Baldock
Sent: Saturday, February 16, 2019 10:28 AM
To: rocke...@gmail.com; elecraft@mailman.qth.net
Subject: Re: [Elecraft] KPA-1500 failed!
It sounds like one of the output devices have failed. Half powe
Sorry to hear this happen Peter, especially during a contes. LDMOS devices
are suppose to be pretty tough and the KPA1500 is not pushing their limits.
There are videos of a different LDMOS showing it to be indestructible:
https://www.youtube.com/watch?v=8ziYqjMQGEQ Is the KPA1500 cooling and heat
be up for sale.
Going
back to a tube amp after this.
- pjd
-Original Message-
From: elecraft-boun...@mailman.qth.net
On
Behalf Of Paul Baldock
Sent: Saturday, February 16, 2019 10:28 AM
To: rocke...@gmail.com; elecraft@mailman.qth.net
Subject: Re: [Elecraft] KPA-1500 failed!
It sounds
er). Looks like one RF device let
>> >loose and it is dragging down the bias voltage. That is my guess.
>> >
>> >Dave wo2x
>> >
>> >
>> >-Original Message-
>> >From: elecraft-boun...@mailman.qth.net
>> > On Behalf Of W
> Sent: Saturday, February 16, 2019 10:28 AM
> To: rocke...@gmail.com; elecraft@mailman.qth.net
> Subject: Re: [Elecraft] KPA-1500 failed!
>
> It sounds like one of the output devices have failed. Half power out is
> usually the indicator. A number here have reported this h
: Saturday, February 16, 2019 10:28 AM
To: rocke...@gmail.com; elecraft@mailman.qth.net
Subject: Re: [Elecraft] KPA-1500 failed!
It sounds like one of the output devices have failed. Half power out is
usually the indicator. A number here have reported this happening.
It would be nice to know why this
] KPA-1500 failed!
I think a two-tone test is the best evaluation tool.. The generator
is built into the K3 if you have another receiver that you can use
to listen to the amp output. I use an SDR-IQ which is a very nice
tool for this but any other SDR would do.
Sorry for your pain.
Wes
: [Elecraft] KPA-1500 failed!
I think a two-tone test is the best evaluation tool.. The generator is built
into the K3 if you have another receiver that you can use to listen to the amp
output. I use an SDR-IQ which is a very nice tool for this but any other SDR
would do.
Sorry for your pain.
Wes
I think a two-tone test is the best evaluation tool.. The generator is built
into the K3 if you have another receiver that you can use to listen to the amp
output. I use an SDR-IQ which is a very nice tool for this but any other SDR
would do.
Sorry for your pain.
Wes N7WS
On 2/16/2019 7:2
I was operating in the ARRL-CW contest this morning and on 20m, with a 1.2:1
SWR on the Yagi, all of a sudden I saw my power drop to about 450-500W with
about 40W in. Worked a few stations but not as easily as when I turned
everything on this morning. Switched over to phone and made a few contacts.
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