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Re: [TenTec] New Omni VII....first impressions

To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] New Omni VII....first impressions
From: "Stuart Rohre" <rohre@arlut.utexas.edu>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Thu, 20 Dec 2007 14:08:33 -0600
List-post: <mailto:tentec@contesting.com>
Mike, if you have the very oldest D 104, the bad audio reports you describe 
are typical of an impedance mismatched D104.   It is a high impedance mike. 
To use it for modern low to medium impedance SSB mike inputs, you need a 
matching transformer, or an emitter follower preamp to step down the 
impedance from the 100,000 ohm range to say 600 ohms.  Then, the mike will 
sound great.  I use the D104 very successfully with Ten Tec rigs with 
attention to matching.

Stuart Rohre

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