1977-1980 Super Twin Reverb

Year:

1977-1980

Model:

Super Twin Reverb

Circuit:

?

Config:

Combo

Control Panel:

Black, forward facing w/ white labels

Front Conrol Layout:

Power Sw, Standby Sw, Pilot Lamp - In, In, Vol/Bright, Treb, Mid, Bass, Presense, Reverb - 2300 Hz, 1250 Hz, 485 Hz, 235 Hz, 100 Hz - Distortion, Output

Rear Conrol Layout:

?

Knobs:

Black skirted w/ chrome center, numbered 1 - 10 (EQ knobs numbered -5 to +5)

Cabinet:

19¾" x 26" x 10½" (50.2 x 66 x 26.7 cm)

Cab Covering:

Black Tolex

Cab Hardware:

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

Grille:

Black acoustic foam cloth w/ white trim

Logo:

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

Weight:

?

Speakers/Load:

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

Speaker Model:

Oxford, Utah, CTS

Effects:

Active EQ, Reverb, Distortion

Output:

180 Watts

Preamp:

7025 and 2/3 6C10

Power:

6 x 6L6

Bias:

Fixed w/ Bias Pot.

Rectifier:

Solid State

Phase Inverter:

12AX7, 12AT7 (long tailed w/ catode follower)

Other:

Reverb Driver: 6CX8 (pentode ½)
Reverb Recovery: 1/3 6C10
Active EQ: 6CX8 (triode ½)

Comments: