FENDER BASSMAN (NARROW PANEL) Description
- 50W, 4-10 in. Jensen P-10R speakers, tube chassis, preamp: 12AY7, 2 X 12AX7, power: 2 X 6L6G, rectifiers: 2 X 5U4G, top chrome control panel, four pointer knobs (v, b, t, p), diagonal tweed covering, brown tweed-era grille, mfg. 1954-1961.
Especially clean models may command a premium. Model 5E6 was used until 1955 when the 5F6 was introduced, which had four inputs, a middle control knob, and a single rectifier. In 1958 the 5F6-A was introduced and the GZ34 rectifier was replaced and an added "swamper resistor" was added.