Re: [Elecraft] Heil headset with HC-4 revisited

2020-05-14 Thread stephen shearer
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:

Re: [Elecraft] Heil headset with HC-4 revisited

2020-05-14 Thread Don Wilhelm
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

Re: [Elecraft] Heil headset with HC-4 revisited

2020-05-14 Thread Walter Underwood
It might be noise on the bias. Some people have reported that. With a mono plug, you’ll get the mic bias (clean) and the logic bias (not so clean, wrong voltage) mixed together. Using a stereo plug or a stereo-to-mono splitter will give you just the mic bias. Details here:

[Elecraft] Heil headset with HC-4 revisited

2020-05-14 Thread Bert
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