Dating irc potentiometer gretsch

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Available with split shaft for fine-knurled (24-spline) knob, or with smooth shaft to fit a set-screw knob.

A long-shaft 500K-ohm version fits Les Paul style carved-top solidbodies.

That’s all true, but when it comes to manufacturing potentiometers, most of today’s materials are subpar compared to the virtually unbreakable materials of yesteryear.

This is certainly true when it comes to guitar electronics.

Stamped on every potentiometer (volume and tone pots) is a six- or seven-digit source code that tells who made the pot, as well as the week and the year.

Guitar dating services provide serial numbers to date your guitar.

The EIA assigns each manufacturer a three-digit code (there are some with one, two or four digits).

When dating an instrument by the ‘pot code,’ keep two things in mind: The potentiometers must be original to the piece (new solder, or a date code that is off by ten or more years is a good giveaway to spot replacement pots); and the pot code only indicates when the potentiometer was manufactured!

If the pot is an original, it indicates a date before which the guitar could not have been built – so it’s always a good idea to have extra reference material around.

Finally, a word of caution: This method applies only to American made pots and not all potentiometer manufacturers subscribed to the EIA source code date.

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