[Elecraft] KX-3 higher mic gain - perfect

[paulb]

Hi folks

Latest firmware for KX-3 now has stacks of mic gain using
cheap and cheerful computer type headsets.

PTT is not used here, all VOX on SSB.
Disable PTT and microphone bias.
Appox 2.5 volts from the PTT line will power the
element ok.

There is very low level audio noise from the PTT supply but
well down on normal speech.

Mic Gain at approx 55.
Processing at 12.
My own preference is roll off the bass so
set 100 200 400 TX filter at -16 and 
800 at -3. 

Very strong audio on SSB.
VOX function is very impressive.

cheers

Paul 
zl1ajy








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