[Elecraft] FW: Sudden KpA1500 power reduction

[Ken K6MR]

“just not publically posted.”

Which seems very strange since they post for all the radios, which are far more complex.  When I asked about a schematic, I was told “No”.  Same with some updates.

Just seems strange.

Ken K6MR

From: Dr. William J. Schmidt<mailto:bill at wjschmidt.com>
Sent: Sunday, February 21, 2021 12:04
To: elecraft at mailman.qth.net<mailto:elecraft at mailman.qth.net>
Subject: [Elecraft] FW: Sudden KpA1500 power reduction

I've had the KPA1500 at my contest station in the Caribbean go south on me
(and another contest group) twice.  Both times I was able to get Rene on the
phone.. go through the amp... and troubleshoot it over the phone.  They have
always shared parts of the schematic with me when necessary.  It's nothing
secret... just not publically posted.

Big shout out to Rene at Elecraft... Excellent tech.


Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ



-----Original Message-----
From: elecraft-bounces at mailman.qth.net <elecraft-bounces at mailman.qth.net> On
Behalf Of Ken K6MR
Sent: Sunday, February 21, 2021 1:11 PM
To: Dana Roode K6NR <dana.roode at gmail.com>
Cc: Elecraft Reflector <Elecraft at mailman.qth.net>
Subject: Re: [Elecraft] Sudden KpA1500 power reduction

It wouldn't be above your skill level if they would release the schematics.
Solid state amps are not any more complicated than tube amps, and I think
easier (and safer!) than tubes.  My early KPA1500 (#76) has been great, but
not having the schematics really bugs me.  I know everyone at Space Galactic
Headquarters is busy with the K4 but posting the KPA1500 schematics would
not take more than a few minutes.  And my amp is way out of warranty so they
aren't risking anything.  Internally it looks like a pretty generic design.
I've reverse engineered the power supply unit but the RF deck is going to
take some time.  I'd rather not if I don't have to.

Ken K6MR




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