Did you try to lower the hardware mic gain control? It is accessed through
a small hole on the bottom of the radio below the mic connector. It is very
touchy and if too high it makes the software mic gain very difficult and
touchy to adjust.
Carl Moreschi N4PY
121 Little Bell Drive
Hays, NC 28635
www.n4py.com
----- Original Message -----
From: "Roger Wise" <jrwise@hbci.com>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Saturday, November 21, 2009 3:20 PM
Subject: Re: [TenTec] Distortion SSB Omni VII
> 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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>
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