[Boatanchors] [Milsurplus] Carbon Mic Rejuvination

[Jim Haynes]

On Sat, 16 Mar 2013, rbethman wrote:

> I haven't seen a carbon mike in general aviation  or commercial aviation in 
> decades.
>
> All the Dave Clark Headsets are ALL dynamic mikes.
>
> The last Piper and Cessna aircraft I have flown use the dynamic mikes.
>
Yes, but...the mike jack still takes a PL-68 and supplies a voltage (which
runs the amplifier for the dynamic or electret mike) and if you were to
plug a carbon mike in there it would work.