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Posted by jakdedert on 09/25/06 03:52
Richard Crowley wrote:
> "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
>
>
>
If that's an condenser mic, there is--I believe--an internal switch or
jumper inside the belt pack to supply power.
Also, AIRC, Clear Com schematics are available somewhere on the Web....
jak
jac
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