Dating stackpole potentiometers

PUI Audio's mobile series line of speakers and receivers is designed for high-fidelity audio reproduction with the lowest profile possible.These space-saving speakers are ideally suited for cutting-edge mobile, Io T, and Wi-Fi enabled applications.The raised “Fender” grille logo lost its tail around 76.There are exceptions to this rule like the the Bronco.Here is a cool link to a Vintage Fender Amp price history chart that tracks sales data for specific amp models by the month.Date Code: Wide panel, narrow panel, brown, blonde, and black face amps have a date code hand-stamped on the tube chart. The first letter translates to the year and the second to the month. Example: FG=July 1956, QA=January 1967, and a reissue CG=July 1992 EIA Source-Date Codes: Electronic components such as transformers, potentiometers, speakers, and some capacitors are often stampted with a date code indicating who manufactured them and when.

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Electronic Industries Association (EIA) codes can also be very useful for giving clues as to an amp's age.Fender often used the same circuit for many years so this is not a very accurate method for amp dating.The code is simple, the first two letters are the revision, where AA is the first revision, AB is the second, etc.Remember, your amp is newer than the newest component.So if you find pots from late 68 and transformers from early 69 you can be pretty sure your amp is a 1969.

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