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Posted by Richard Crowley on 09/24/06 22:08
"asylum sound" wrote ...
>I have a Sennheiser HMD 410-6 headset that I want to wire for Clearcom.
>
> Anyone know the correct pinouts for this?
>
> The Sennheiser has 7 tinned leads and will be going into a 4pin XLR.
Traditional ClearCom headset connector pinout:
XLR Pin 1 - Mic ground
XLR Pin 2 - Mic signal
XLR Pin 3 - Earphone ground
XLR Pin 4 - Earphone signal
I couldn't find documentation for the HMD 410-6,
but extrapolating from the wiring diagram for the
HME 410-1 (closest I could find) shows...
Left earphone: yellow (+) and black (-)
Right earphone: red (+) and black (-) [or maybe blue?]
Microphone: shield = ground, inner conductors are mic.
Assuming the wires on your HMD 410 look similar,
here is what I would try:
XLR Pin 1: shield and one of the inner mic wires
XLR Pin 2: other mic wire
XLR Pin 3: black wires from both headphone
XLR Pin 4: remaining (yellow & red) wires from headphones
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