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Re: [TenTec] 705 Electret Mic question

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] 705 Electret Mic question
From: Bernie Skoch via TenTec <tentec@contesting.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Tue, 16 Jan 2018 19:23:16 -0500
List-post: <mailto:tentec@contesting.com>
Joe,

If the mic isn't wired for drawing power from the rig. the battery powers the 
mic.

http://www.qsl.net/g4wpw/tentec705microphone.pdf

73,
Bernie 

> On Jan 16, 2018, at 18:24, MadScientist <dukeshifi@comcast.net> wrote:
> 
> The battery provides bias for the electret.
> 
> Gary
> 
> 
>> On Jan 16, 2018, at 5:23 PM, Joe Hill <n4zoojoe@gmail.com> wrote:
>> 
>> My 705 Ten Tec microphone takes a 9v battery in the base.  What is this for?
>> Thanks and 73,
>> Joe
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