Posted by asylum sound on 09/25/06 12:43

Thanks folks!
DV

jakdedert wrote:
> 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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