Since you're replacing a headset look for the Yamaha CM-500.  They're
generally $60 or so at places like B&H Photovideo, Sweetwater, Amazon,
etc.  They are more comfortable than the old Heil Proset and half the
price.  If you watch for sales they're even less (I replaced a ProSet
with two CM-500 for less than what Heil wanted for the current ProSet)
The mic works very well with the K3 ... set the bottom two TX EQ bands
to -16 and the top three to +3, +5, +6 (a rising 3 dB/octave above
800 Hz).

I adjust the mic gain for 5 bars and run CMP between 15 an 20 dB.  The
audio sounds good according to reports and there is plenty of "talk
power."

73,

   ... Joe, W4TV


-----Original Message-----
From: Elecraft [mailto:[email protected]] On Behalf Of Bob
KD7YZ
Sent: Monday, May 26, 2014 11:40 AM
To: K3 List
Subject: [Elecraft] Xmit Audio Problem

I suspect I need a different mike than the old heil-pro headset. But then, I
better ask first.

The symptoms are that is I don't appear have any punch. I use cmp and mic
and get the ALC bars in the right places according to the manual.

I have adjusted TXG up to 3.

Still, when I am transmitting SSB, the output is barely indicating 10% of
(A) a HARD whistle pr (B) CW

And I have mic at 60 and cmp at 40.

What is a "Great" desk mike for the K3? Anyway, I am tired of the boom mic
so wanted a desk mic and this may be a good reason.

thanks

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