[ARC5] N-1 Carbon Mic Element and T-17s
David Stinson
arc5 at ix.netcom.com
Sun Oct 21 14:40:19 EDT 2012
Re: Using T-17 mics.
I've found exactly one T-17 that would deliver usable
audio to a BC-456. No amount of bashing or baking
(or cussing) did any good with the others.
So I temporarily hung a telephone element in the case,
which does not fit inside but works, waiting for a better idea.
Came across a few small carbon mic elements
in round cardboard containers labeled:
"ONE N-1 TRANS. UNIT"
IIRC, these are used used in some 50s-60s handsets.
I gave them a "table bump",removed the thick rubber
moisture barrier and replaced it with light fabric,
then hot-glued the elements in place of a couple
of stone-dead and unrecoverable T-17 carts,
with some "stuffing" behind to fill the chamber.
To my surprise, through the small-diameter holes
in the T-17 face, these elements delivered ample audio
to a BC-456 modulator. In fact, I can over-modulate.
Are these elements available and at reasonable prices?
TNX ES 73 DE Dave AB5S
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