Dave, et al:
Thanks for all the fine comments and feedback I've received both on the
message board and by direct email message. I do have the MIC BIAS "on'
and the MIC BTN "off." Another person suggested that I adjust the TX
EQ, which I have done, basically boosting 2.4 KHz and above by 4db and
rolling off 200Hz and below by 4db. After making these adjustments,
I've been told by a local ham who had heard the previous settings that
my audio quality was improved; however, he quickly added the the
Elecraft MH3 mic still sounded better even before the EQ adjustments.
I'm not exactly sure what to make of this, since the Heil headset is,
obviously, a much more expensive piece of equipment. However, it's
possible that making the conversion pigtail that you suggested might
cure the problem.
I do have a Yamaha CM500 on order. It'll be interesting to compare
reports once that arrives.
73,
Carl
dyarnes wrote:
Carl,
Are you sure you have the the menus set correctly? For the Heil Pro Set (“IC”
model) MIC BIAS should be “on” and MIC BTN should be “off”. I have one of
those Heil Pro Set (IC) models, but haven’t tried it, or my Yamaha CM500, on
the KX3. I use the MH3. The manual suggests that you can just plug the
standard 3 ring “mini” plug into the jack and it will work, but you do need to
set the bias. It just sounds like you might not be getting proper bias.
If you have a “computer” headset around you might try that. Most of those are
electrets. I just wonder if the plug is “seating” properly so that everything
is making proper contact. I’d be tempted to make up a 3 ring mini to 4 ring
mini pigtail. I’ve read that some of the 3 ring mini plugs tend to vary
slightly in actual size. If that’s true, they might not seat properly into a 4
ring jack.
Dave W7AQK
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Carl Jón Denbow, N8VZ
17 Coventry Lane
Athens, Ohio 45701-3718
[email protected]
www.n8vz.com
EM89wh
IRLP 4533 Echolink 116070
PSK and JT65 Forever!
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