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OT: Can someone tell me the pinout?

Posted: Mon Aug 10, 2009 8:58 pm
by iwantanorangeamp
Hey all, I'm converting an old Webcor reel to reel tape machine into a tape delay.

It has a microphone input, but is so old that it doesn't use an XLR connector. Instead, it's got a 3 prong proprietary jack as pictured below in the drawing.

Below is the schematic for the mic input - can someone with more knowledge of electronics tell me the pinout?


I'm asking because I've disconnected the proprietary jack and am replacing it with a standard 1/4" jack to plug my guitar into.

Cheers, and let me know if I left out any key info.