FENDER BROWNFACE VIBRASONIC

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 

SPEAKER 

 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.

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