1963-1967 Twin Reverb
(Black Face Twin Reverb)

Year:

1963-1967

Model:

Twin Reverb

Circuit:

AB763

Config:

Combo

Control Panel:

Black, forward facing w/ white labels

Front Conrol Layout:

Normal: In, In, Bright Sw, Vol, Treb, Mid, Bass - Vibrato: In, In, Bright Sw, Vol, Treb, Mid, Bass, Reverb, Speed, Intensity - Pilot Lamp

Rear Conrol Layout:

AC Outlet, Ground Sw, Fuse (2½A), Power Sw, Standby Sw, Speaker Jack, Ex. Speaker Jack, Vibrato Jack, Reverb Jack, Reverb Out, Reverb In

Knobs:

Black skirted w/ chrome center, numbered 1 - 10

Cabinet:

20" x 26½" x 10½" (50.8 x 67.3 x 26.7 cm)

Cab Covering:

Black Tolex

Cab Hardware:

Black strap handle, 5½" chassis straps, 16" tilt-back legs, corner protectors, glides

Grille:

Grey (63) or silver sparkle grille cloth

Logo:

Grille mounted, raised, chrome & black script "Fender" w/ tail

Weight:

69 lbs. (31.3 Kg)

Speakers/Load:

2 x 12"/4 ohms (8 ohms each in parallel)

Speaker Model:

Jensen C12N or Oxford 12T6

Effects:

Reverb, Tremolo

Output:

85 Watts

Preamp:

Normal: 7025
Vibrato: 7025, ½ 7025

Power:

4 x 6L6GC

Bias:

Fixed w/ bias adjustment pot.

Rectifier:

Solid State

Phase Inverter:

12AT7 (long tailed)

Other:

Reverb Driver: 12AT7
Reverb Recovery: ½ 7025
Tremolo: 12AX7 (photoresistor)

Comments:

Some early Twin Reverbs have tube charts specifing 7355 power tubes. It is unclear if any shipped in this configuration.