Mark,

Even with the wrong impedance, you should get some audio out of that mic. 
Maybe it's a carbon mic, or a condenser mic, although that's not very 
likely.  In either case, the mic would need some DC voltage to make it work.

Steve

----- Original Message ----- 
From: "Mark" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, February 18, 2010 13:20
Subject: Mike Impedance for modern Radios


> Hi
>     I decided to convert one of my junk box two meter mikes to a mike =
> for my Kenwood TS 440 S. This will hold me over until my Heil head set =
> is repaired. The conversion went smoothly and every thing went well =
> until I tried to use the mike and no audio came out. I am sure the =
> wiring is right. So, I am left with the question of would this be an =
> issue of having the wrong impedance microphone? If so how does one go =
> about changing the impedance?
>     Thank you in advance for your help.
>
> God bless,
> Mark
> Jesus Is Lord!
>