Dating gibson pots
The first 3 digits on a pot, or the first 2, 3 or 4 digits on a speaker are the source or manufacturer code. Dating s archtop guitars this pin was discovered by richard gibson archtop models poitras.
Then from and later you see Fender using speakers from all the above mentioned datings gibson pots. My knowedge is nothing more than a simple THUD!!! The source-date code on a speaker.
Found as second stamping on datings gibson pots as a date code XXX from through the 50's and 60's all the 's amps are generally field coil Rola spkrs. Community Forum Software by IP.
Codtone Pedals from OZ Return to the Main Index.
McAllen, Texas which tubes were used on the specific model; and the EIA codes on the pots, transformers. Gibson Serial Numbers materials—shipping records dating from to On 4 digits date codes, the 1st and 2nd digits are the last two digits of the year.
The standard today is no more than 18 months, but back in the s and s, who knows? This is especially the case for guitars that were only ever shipped in tiny numbers.
Below are many manufacturer source codes which are the first 2,3, or 4 digits of the source-date code.
Some large parts distributors would even return parts if the date code was "expired" and want "fresh" parts in return. Serial numbers show approximate date of manufacture.
With all this information in mind, can you identify the following manufacturer and date of these source-date codes? Serial number is Since I primarily collect amps by Fender, and guitars by Gibson, Fender, Martin, National, Epiphone, Gretsch and Rickenbacker, I really can't help them with these other less popular brands.
It can be stamped or marked on any product to identify the production source vendor and date of manufacturer. Martyn Comment left 14th August On 3 digit date codes, you have to "guess" the decade of the pot or speaker. Better quality pots are often stamped with a number of codes; typically part numbers, date of production, manufacturers codes and resistance values.
Skin and Language
There are very many electronic companies worldwide producing potentiometers, but most American vintage guitars of the 20th Century used pots by just a few manufacturers. Jensen speakers came in varying quality levels.
In 3 digit dates code, the 1st digit is the last digit of the year. Jensen made speakers from 4" to 18" sizes.