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Posted by MG on 10/01/41 11:59
I use the same headset for RTS wired for 5-pin XLR. I also have a 5-to-4
pin adapter. Works great, but I did it so long ago I don't remember the
pinout. It's a bit hotter into the system than the standard Telex
mini-headsets.
On those rare occasions that I encounter Clearcom, no problems.
mg
"asylum sound" <asylumsound@verizon.net> wrote in message
news:1159188207.251722.28070@d34g2000cwd.googlegroups.com...
> 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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