[Elecraft] K3 audio distortion

[Jim - W6VAR]

I have the same experience with the Heil Proset ic. Adjustments to TX audio
of 2.4K and 3.2K seem to have the most impact. 

Jim - W6VAR


Jan Babinec wrote:
> 
> 
>  Dear fellow Elecrafters,
>  I think this topic has fallen into oblivion somehow. 
>  Have been using my MD-7506 for many years now with absolute satisfaction
> either for ham purposes or music.
>  Not so in combination with K3! In fact the audio sounds terrible. I tried
> a cheap PC headphones with 32ohm
>  (MDR-7506 have 64ohm) and they indeed sound much better. Could this be
> because of lower impedance,
>  limited frequency response or both? 
>  Is there a solution for the poor guys with too good headphones?
>  
>                                                                   Jan
> OM2XW  K3 #1382
>                                                                   
>  
>>Is anyone else experiencing distortion when using the monitor facility
on>SSB ?>I experience quite severe distortion when using my Sony MD-7506
headphones,>slight distortion with my Heil Pro Set and none with my Yaesu
YH-77ST. In>other words the wider the frequency response of the headphones,
the worse>the distortion. In fact it appears the distortion is a high
frequency>component as I can clean it up completely with audio filtering
after the>headphone or speaker output but it should not be there in the
first place.>It is there with several different microphones but it does not
appear on the>transmitted signal which is clean.>It is not my Sony
headphones which are at fault as using them the audio>through my TS2000
monitor is absolutely clean.>73 >Barry Simpson  VK2BJ  K3 #1397
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