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Audio Wiring Guide by John Hechtman

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3.1 Guitar Plug Male Connectors

The so-called ‘guitar’ plug is one of the oldest connectors still in use. With minor changes in form, you can see this type in use on your grandmother’s pre-1900 telephone switchboard, and up to the present time.

Its large size makes it sturdy, if bulky, and it’s a relatively easy connector to wire. The large surface area helps give good electrical contact, even when the plug’s metal is slightly corroded. Small chunks of dirt and crud will often get knocked out of the way when the male plug is inserted in the female, so it’s pretty roadworthy.

Standard guitar plugs are {1/4} inch in diameter. There’s a miniature version, with a {1/8} inch diameter plug that’s also much shorter in length. We show the ...

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