[Elecraft] loss of receive audio on K3

[Victor Rosenthal 4X6GP]

Yesterday was Halloween, Doug.

73,
Victor, 4X6GP
Rehovot, Israel
CWops #5
Formerly K2VCO
https://www.qsl.net/k2vco/
On 01/11/2021 15:20, Douglas Zwiebel wrote:
>   I had the strangest thing happenyesterday (K3, 1st prod run).
> 
> All of a sudden, I lost all audio output (headphones).  I pull the
> headphones, but same thing on the internal spkr.  Radio was tuning,
> receiving (per P3) and transmitting, but zero AF output.
> 
> After 15 seconds of wonder, I turned the K3off, waited 30 seconds and
> turned it back on.  All was back to normal.
> 
> At one point, I heard a low rumble, like someone strong was tuning up on
> me.  But no.  That immediately preceded the loss of AF.
> 
> After I turned it back on, after another 5-10 minutes, I again heard the
> low rumble..but nobody tuning up on me...and this time, no loss of AF.
> 
> Again that same rumble happened again, but that time the AF went to about
> 50% but then came back after I transmitted a dit (just dumb luck timing?).
> 
> Have you heard any stories like this before or is this a novel experience?
> 
> Thanks
> de Doug KR2Q