I don't quite understand the "HC4 doesn't work with a KX3" ???
I have a Heil headset with the HC4 element and it works fine...
YES, bias must be off as also "mic button"...
YES, mike gain will need to be higher.
Since the HC4 has a 2K boost, the TX EQ gain (see:
https://observer.wunderwood.org/2015/09/09/transmit-audio-and-compression-with-the-elecraft-kx3/)
... 3200Hz might want to be 0db, too.
73, steve WB3LGC
On 5/14/20 2:37 PM, Don Wilhelm wrote:
Bert,
When using a mono plug in the KX3 mic jack, turn off BIAS and also set
MIC BTN to OFF.
Alternately, use the splitter recommended by Walter Underwood - if using
that splitter, turn MIC BIAS on.
73,
Don W3FPR
On 5/14/2020 2:15 PM, Bert wrote:
The original Heil headset with the HC-4 element didn't work with the KX3.
I have now replaced the HC-4 with an electret, which sounded
great trying it with the KX3 before installing it in the Heil headset.
The electret, by itself, was plugged in to the KX3 with a stereo plug.
After electret installed in the headset I have quite a lot of hum. The
headset mic is connected with a mono plug to the KX3.
Any ideas why the hum appears after mounting the electret in the headset?
Bert VE3NR
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