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FENDER BROWNFACE VIBRASONIC
1959-1963
Configuration: Combo
Power: 50 Watts
Effects: Tremolo
SCHEMATICS
LAYOUT
- Front Panel (5G13): "Normal" In, In, Bass, Treble, Volume - "Vibrato" In, In, Bass, Treble, Volume, Speed, Intensity - Presence, Pilot Light
- Front Panel (6G13-A): "Normal" In, In, Volume, Treble, Bass - "Vibrato" In, In, Volume, Treble, Bass, Speed, Intensity - Presence, Pilot Light
- Back Panel (5G13): Ground Switch, Fuse, Power Switch, Standby Switch, Speaker Jack, Vibrato Jack
- Back Panel (6G13-A): Ground Switch, Fuse, Power Switch, Standby Switch, Speaker Jack, External Speaker Jack, Vibrato Jack
CABINET
- Dimensions: 20 x 25 x 10¼
- Tolex: Pinkish brown (59-61) or Rough Brown (61-63)
- Grill Cloth: Oxblood (59-62) or Beige Brown (Wheat) (62-63)
- Logo: Grill Mounted, Flat
- Hardware: Large Chassis Straps 5 5/8''
- Handle: Brown Strap
- Feet: Chrome Glides
- Knobs: Brown Barrel
SPEAKER
- Size: 1 x 15
- Impedance: 8 ohms
- Model: JBL D-130F (For more info, check out the Mojotone Replacement Speaker Guide)
TUBES
-
Pre amp:
- 7025
- 5G13: 2 x 7025 (harmonic vibrato)
- 6G13-A: 12AX7, 12AX7 and 7025 (harmonic vibrato)
-
Power:
- 5G13: 2 x 6L6GC
- 6G13-A: 2 x 5881
- Bias: Fixed Bias, Nonadjustable
- Rectifier: Solid State
Comments: Model 6G13-A's tremolo circuit left 12AX7 unused. Some early Vibrasonics have a plugged hole in the rear panel labeled "pulse adj." located about 1½" to the right of speaker jack. As the label implies this may have been a control to adjust the waveform of the tremolo.