Old SM58 wiring

FAQ #698 Updated August 15, 2008


I have an SM58 microphone and I need to rewire the plug that is on the mic. You're web site shows a 3 wire diagram but my mic has 4 wires. Red, blue, orange and black. Can you please advise the wiring arrangement for this microphone?


Your SM58 was manufactured before 1983. The orange wire will not be used for your rewiring of the XLR plug. Here is the correct wiring: black to pin 1; blue to pin 2; red to pin 3.

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