[AMRadio] Microphone assistance


Donald Sanders w4bws at comcast.net
Thu Aug 31 16:36:47 EDT 2006


You can use the mixer as stated or use a microphone transformer to go from
low to high or make a simple 1 transistor amp with a NPN or PNP and it
should work.

Healthfully yours,
                          Don W4BWS
----- Original Message ----- 
From: "david knepper" <collinsradio at adelphia.net>
To: <amradio at mailman.qth.net>; <boatanchors at mailman.qth.net>
Sent: Thursday, August 31, 2006 3:29 PM
Subject: [AMRadio] Microphone assistance


> Can anyone assist me in converting a low impedence microphone to high
> impendence.  I bought several 600 ohm studio microphones (plastic housing)
> that come with a 9 foot cable and microphone plug.  I am interested in
using
> the microphone with a high impedence input transmitter on AM.   Any
> suggestions?
>
> Perhaps, I should use a mixer unit that has low impedence input with a
high
> impedence output.
>
> Thank you
>
> Dave, W3ST
> Publisher of the Collins Journal
> Secretary to the Collins Radio Association
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