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Repair guides for the Shure SM57 microphone, a common professional low impedance cardioid dynamic microphone for live sound and studio recording.

4 Questions View all

Broken ground on older SM-57

I have an older SM-57 with 3 wires inside yellow, green and black ground. the ground has become disconnected on the side oing into the chassis. where does it connect?? the copper rail inside??

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1 Answer

That is the ground wire. It's not needed, as Shure did away with that wire in newer versions of the SM57. However, I believe on the XLR end it was connected to pin 1 and on the cartridge end it was connected to the center post of the cartridge.

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Ronny North will be eternally grateful.
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