Dating fender solid state amps
Fender later constructed them with "narrow panel", in which all the panels have more or less the same width.
Between 19, there were three different grillcloth colors: wheat, brown, and maroon and many tolex-grille color combinations are found suggesting that Fender was not reluctant to use up whatever stocks of materials were on hand.
The first amplifiers made in-house by the Fender Electric Instrument Company have been dubbed the Woodie series, built in 1946 through 1948.
They included the Model 26 Deluxe, the Princeton, and the Professional.
Other changes include the shift of the top-of-the-line model from the traditional Twin to include other models, like the Vibrasonic in early 1960, as well as the blonde Showman in 1961.
Fender began using silicon rectifiers to reduce heat and voltage sag caused by tube rectifiers, and introduced an all-new, very complex vibrato circuit. The circuit was also changed to include a tremolo effect, and the output was increased.
Search for dating fender solid state amps:
The early K&F and Fender amplifiers relied upon vacuum tube circuitry, with the company adding solid-state models in the late 1960s.