[Elecraft] KXPA100 SSB Distortion

[rsoifer1 at aol.com]

Hi Kurt,


It's hard to tell because the monitor plays the KX3 audio, which is good.


Tnx, Ray




-----Original Message-----
From: Kurt Cramer <vwracer23 at gmail.com>
To: rsoifer1 <rsoifer1 at aol.com>
Cc: elecraft <elecraft at mailman.qth.net>
Sent: Mon, Apr 23, 2018 8:58 am
Subject: Re: [Elecraft] KXPA100 SSB Distortion

Does it work correctly into a dummy load. It sounds like RF in the audio,

73 Kurt W7QHD
> On Apr 23, 2018, at 8:32 AM, Ray W2RS via Elecraft <elecraft at mailman.qth.net> wrote:
> 
> 
> My KXPA100 transmits distorted audio on SSB, but works normally on CW and RTTY.  With 100 watts output, drain current is 11.7 A and supply voltage is 13.1 V, down from 13.7 V on receive.  My power supply is a pre-MFJ Astron RS-35A.
> 
> 
> The KX3 with which I drive it operates normally on all bands and modes, with good transmit audio.  Speech compression is off and mic gain is set to 20. 
> 
> 
> Should I send the amp back to Elecraft for service, or is there another problem?
> 
> 
> 73 Ray W2RS
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