[Elecraft] K3 monitor distortion

[Barry Simpson]

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