I work RTTY every now and then. I take audio out from external speaker jack in back panel. Audio is taken to personal computer via "audio isolator", (galvanically isolated transformer).

After unplugging external speaker plug K2 audio output is very often decreased. I have to turn the AF GAIN to clockwise to get audio restored to normal. It suddenly "pops" to the normal level.

What is the reason? Something troublesome impedance in my "digital mode cable"?

Rolf
oh6kxl
k2 4759


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