Dating ampeg b15
Oliver also borrowed a design from an old sewing machine where the unit would flip out of the cabinet.
Behold the Ampeg B-15, a simple box on wheels that houses the very crossroads of ingenuity, portability, and sonic superiority beneath its four latches.
This all-tube Portaflex head provides a harmonically rich and studio-worthy 50 watts of pure Ampeg tone.
Note that each different period is approximately during each different ownership. Pre 1953 - These amps can only be dated by the EIA (Electronics Industries Association) codes on the speakers and other parts. This was a six-digit number like this: YMMNNN, which was the last digit of the year, month, and number of production.
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