[Elecraft] . K3 dvr playback distortion

[Jack Berry]

Spoke with John yesterday and his signal was clean and strong. Certainly didn't hear any symptom of rf or a/c hum. 
Why not drop him an email?

On Feb 22, 2012, at 6:07 PM, ab2tc <ab2tc at arrl.net> wrote:

> Hi,
> 
> I have heard ON4UN on a number of occations fairly recently and found that
> his audio *is* relatively bad. I suspect that he has an RF feedback problem.
> Can anybody else confirm this? I have been very surprised that nobody has
> mentioned this to him on the air, so I have held my tongue on the issue so
> far.
> 
> Anyway, in my opinion it's not fair to play back recordings of people's
> audio over the air. It's much better to record his audio with something that
> can be captured to a file and send that file to him. Audio deterioriates
> very rapidly from multiple passes through SSB receivers/transmitters. I have
> heard many times people proudly playing back recordings and they sound
> nothing like the original.
> 
> AB2TC - Knut
> 
> 
> Mike Rodgers wrote
>> 
>> If you mean using the k3 dvr to record someone and play it back to them,
>> that's a old problem Elecraft said they would address a year or so
>> ago!!!!!!!
>> 
>> There needs to be a way to adjust the level and there is not at present. 
>> 
>> 
>> 
>> Recently got feedback from John, ON4UN (also has K3) that his audio
>> playback from my K3 DVR was "horrible". He played my recording of him back
>> to me and in fact it was pretty bad. Signals were solid. I have heard a
>> few
>> other such reports about my K3 DVR playback. I cannot currently remove the
>> transmit equalizer (works great as set with my voice and Heil 781) for
>> each
>> playback. ON4UN suggested using ESSB and setting up no transmit
>> equalization and to switch back and forth.
>> 
>> A couple questions emerge from this:(1)Is there a way to bypass the
>> compression (mine is set at 10) and equalization with current setup during
>> DVR playback until a firmware change is made on this issue? (2)Could I
>> have
>> a correctable situation that a currently available adjustment might
>> improve
>> or solve? (I do not think it is possible to adjust DVR record* or*
>> playback
>> levels and ALC levels appear high on playback) Any similar experiences or
>> advise?
>> 
>> 73
>> Mike R
>> 
>> <snip>
>> 
> 
> 
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