Carvin serial number decoder12/7/2022 ![]() Sometimes these digits may be separated by a space, a hyphen, or a period. The first three digits indicate the company that built the potentiometer. It’s fairly easy to crack the source code. Moust’s research has indicatedthat there are no source date codes on any guitar pots before the late 1940s, and no single-digit year code after 1959 (six-digit source code). The EIA assigns each manufacturer a three-digit code (there are some with one, two or four digits). The source dating code is an element of standardization that is administered by the Electronics Industries Association (EIA), formed in 1924. (Source: Michael Wright/Aria)Īn Important Instrument Dating Breakthrough developed by Hans Moust (author, The Guild Guitar Book) 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. SERIALIZATION POTENTIOMETER CODING: SOURCE DATE CODEĮral variations have been used and anything is quite possible. ![]()
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