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FENDER SILVERFACE DUAL SHOWMAN REVERB
1968-1981
Configuration: Piggyback
Power: 100 Watts (68-76) 135 Watts (77-81)
Effects: Reverb, Tremolo
SCHEMATICS
LAYOUT
- Front Panel: In, In, Bright Switch, Volume, Treble, Middle, Bass - "Vibrato" In, In, Bright Switch, Volume, Treble, Middle, Bass, Speed, Intensity, Reverb - Master Volume (72-81) - Pilot Light
- Back Panel: AC Outlet, Ground Switch, Fuse, Power Switch, Standby Switch, Speaker Jack, External Speaker Jack, Vibrato Jack, Reverb Jack, Reverb Out, Reverb In
CABINET
-
Dimensions:
- Head: 13 x 26 x 9
- Cabinet: 45-1/2 x 30 x 11-1/2
- Tolex: Black
- Grill Cloth: Blue / White / Silver w/ Aluminum Frame (68-69), w/o Aluminum Frame (70-81)
- Logo: Grill Mounted, Raised, Chrome & Black Script w/ Tail (68-75) or w/o tail (76-80)
- Handle: Black Strap (Head), 3x Black Strap (Cabinet)
- Feet: Chrome Glides or Casters (72-81)
- Corners: Chrome Corners w/ Lip
- Knobs: Black Skirted w/ Chrome Center, Numbered 1 - 10
- Hardware: Medium Chassis Straps 4 5/8''
SPEAKERS
- Size: 2 x 15
- Impedance: 4 ohms (8 ohms each in parallel)
- Speaker Model: JBL D-140F (For more info, check out the Mojotone Replacement Speaker Guide)
TUBES
-
Pre amp:
- Normal: 7025
- Tremolo: 7025 and 1/2 7025
- Phase Inverter: 12AT7 (Long Tailed)
- Tremolo: 12AX7 (photoresistor)
- Reverb Driver: 12AT7
- Reverb Recovery: 1/2 7025
- Power: 4 x 6L6GC
- Bias: Fixed with Bias Adjustment Pot
- Rectifier: Solid State
Comments: Late seventies circuit changes included a Line Out jack, hum balance pot, and a pull boost sw.