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Author Topic: Standard Pin-Outs and Wire Colors for Mic Cables  (Read 332 times)

klaus

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Standard Pin-Outs and Wire Colors for Mic Cables
« on: September 25, 2017, 02:17:19 pm »

Though even Neumann, the leader in microphone standardization, could never quite stick to one color scheme through the decades, I have found that certain (logical) color choices for conductors are prevalent.
Here is my suggestion how to terminate multi-pin microphone cables.

1. 7-pin Tuchel tube mic cables usually Gotham GAC 7 or Doerffler equivalent. Ground pin assignement may vary, depending on the amount of conductors

Pin #1 Audio (+) = white
Pin #2 Audio (-) = black or brown
Pin #3 + Pin #7 = blue (thick)
Pin #4 Heater = red (thick)
Pin #5 B+ - yellow
Pin #6 = variable polarization voltage = green
Always connect cable shields on both ends to ground pins and metal connector sleeves

Do not follow the above pin-outs assignment blindly, but verify that the cable pin-outs correspond to that of the mic in question


4-conductor cables (U47) used with Gotham GAC 7 or equivalent Neumann tube mic cable

Pin #1 Audio (+) = white
Pin #2 Audio (-)  = black or brown
Pins #3, 4, 6 ground and shield = thick blue, all interconnected with jumpers plus a jumper wire to the connector's metal sleeve
Pin 5 B+ = thick red


3. XLR 3-conductor interconnect cables usually Gotham GAC 3, Neumann IEC 3, or equivalent

Pin #1 Ground = Green
Pin #2 audio (+) = white
Pin #3 Audio (-) = brown
Always connect cable shields on both ends to ground pins and metal connector sleeves









 
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Klaus Heyne
German Masterworks®
www.GermanMasterworks.com
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