[Elecraft] Microphones - Yaesu MH-31

[Steve KC8QVO]

Don Wilhelm-4 wrote
> 
> Pin 4 goes to the tip
> Pin 5 goes to the shell
> Pin 3 goes to Ring 1
> Pin 2 goes to Ring 2
> 

Don, 

Your numbering was backwards from what I used, but I translated the numbers
from the other direction (made 8 = 1, 1 = 8, and the others in between to
match) and got the same pin designations and wire colors. However, I took
(your numbers) pin 2 and pin 5 and grounded them to the shell together (pin
2 shows as mic ground in the schematics so I figured I'd ground it to the
regular ground also). After looking over your numbers I moved the regular
ground (your pin 2) to ring 2. This gave me the same results as before. 

If I crank the power up I can get some deflection in the power meter, but I
can't get the ALC meter to budge on max mic gain and max compression. 

I just tested the output with a pair of headphones on. I took the
compression off (0) and as I increased it the audio volume from the monitor
circuit got louder. 

Just out of curiosity - what are some others using for microphones and what
settings are you finding work for those microphones? 

My experience with other rigs is that if the mic gain is too high the audio
distorts, likewise if the compression is too high it distorts. Here I have
both gain and compression max'ed out and seemingly not getting enough. That
doesn't make much sense to me, but I know the KX3 is a different rig. Is
that perhaps a change that can be made in software? Or am I at the limits of
the hardware? 

Steve, KC8QVO



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