I had something similar (or perhaps the same) happen to me a few days ago, only 
I had headphones on.  Likewise I don't remember the exact circumstance.  I do 
remember getting yelled at by the XYL in the next room, however.  And I was 
never even in the Navy.


--- On Wed, 4/8/09, Steve Ellington <n...@carolina.rr.com> wrote:

> From: Steve Ellington <n...@carolina.rr.com>
> Subject: [Elecraft] K3: Audio Blast attack
> To: Elecraft@mailman.qth.net
> Date: Wednesday, April 8, 2009, 8:05 PM
> Today I was listening around on 40m cw and messing with the
> "Shift" and 
> Width knobs. I had the NR turned on. I was running the
> Shift up and down the 
> range just casually listening to the noise pitch change.
> Retired people have 
> this kind of time. I had the width down to 50 hz then I hit
> the FIL button 
> to open things back up again and that's when it
> happened. The most 
> horrendous blast of audio I've ever heard. My face was
> about 12" from the 5 
> x 6" speaker and it almost blew my glasses off.  I
> have no doubt it was FULL 
> AF gain. I jumped and nearly soiled myself. My first
> instinct was to quickly 
> turn down the AF gain. I just barely turned the AF gain
> down and everything 
> went back to normal. After my heart calmed down I tried to
> retrace my steps 
> but have not been able to duplicate it. I guess it was a
> CPU glitch or 
> something but it sure knocked a few days off my life.
> I had this happen to an Orion several times back before
> they got some of the 
> bugs out of it. At least I could duplicate and report it
> but this one has me 
> baffled.
> 
> Steve N4LQ
> n...@carolina.rr.com 
> 
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