Jim , I even connected the mic direct to the Omni VII with same results.
Drive level was brought down to zero and then brought up to a low level and
still same results.
Thanks
----- Original Message -----
From: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Saturday, November 21, 2009 12:24 PM
Subject: Re: [TenTec] Distortion SSB Omni VII
>
>>Attatched ground leads
>
> Grounding is probably barking up the wrong tree unless something is
> really wrong with your antenna system.
>
> The most likely cause is the live mic over-driving the electronics
> that it is connected to. In other words, you need to turn down the
> gain of that input stage a LOT.
>
> I don't know the Omni VII, so can't offer more specific advice. But
> Ten Tec rigs in general have always had very good audio inputs.
>
> One of the guys in our contest club (NCCC) recently organized a
> group purchase of Yamaha CM500 headsets with attached mics. These
> are very nice, and also quite inexpensive (about $40), but the mic
> signal comes out very "hot" (that is, much nigher level than most
> mics). This required us to readjust the audio inputs of our rigs so
> that we didn't overdrive them.
>
> The CM500 mic also has excellent EQ for communications use, and
> sounds MUCH better than most Heils I've heard. The SSB SS weekend
> will be the first serious test of these headsets for most of us.
> Hopefully we'll still like them after 24 hours on the air. :)
>
> 73,
>
> Jim K9YC
>
>
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