I will take a whack at this one.

To start with, is there a metallic sort of substance touching your skin and is this a 'little' poke like a nine volt battery on the
tongue, or is it more of a zap like the old winter / carpet / doorknob pet the cat deal?

I have been in the phone business for a long time and my bet is, if it is the latter that you are zapping the headsets, not the
other way around. If that is the case, get rid of the new seat covers, change back to your old shoes or you risk blowing the little
electronic brains of your headset.

Mike Z

"Peter R." wrote in message ...
For the first time in about 200 hours of use in the same aircraft, my
Bose X ANR headsets started shocking my ears every minute or two. The
aircraft is an '02 Cessna 172 SP with Bendix King avionics.

I suspect it is not the headsets, but perhaps a bad ground somewhere in
the intercom system?

When I swapped to a pair of Lightspeeds, the electric shock stopped.
However, I am skeptical of this test, since the Lightspeed ear cups,
with an inch or so of gel padding, is much deeper than the Bose and the
metal in the cups much farther from my ears.

What would cause this problem?


--
Peter







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