Dating vintage ampeg amps
The Nth unit, however, may not have started with 001.
Ampeg may very well have used 100 or 101 as the starting point during slow production periods.
Caution is needed for dating amps from 1953, 1954, 1955, and 1960.
It has a note at the top of the page that they were reprinting with permission from the authors of Ampeg: The Story Behind the Sound, ©1999, published by Hal Leonard.
If anyone feels this page should be taken down, please feel free to contact me.
Electronic Industries Association (EIA) codes can also be very useful for giving clues as to an amp's age.
These codes can be found on speakers, transformers, pots, capacitors, and multi-section electrolytic "can" caps.