1967-1975

Configuration: Combo
Power: 6 Watts
Effects: Tremolo

SCHEMATIC 

• Bronco AB764

LAYOUT

• Front Panel: In, In, Volume, Treble, Bass, Speed, Intensity, Power Switch, Pilot Light
• Back Panel: Fuse, Speaker Jack, Vibrato Jack

CABINET 

• Tolex: Black
• Grill Cloth: Red / Silver
• Logo: Grill Mounted, Raised, Chrome & Black Script (68-69)
• Handle: Black Strap
• Feet: Chrome Glides
• Knobs: Black Skirted w/ Chrome Center, Numbered 1 - 10

SPEAKER 

• Size: 1 x 8
• Impedance: 4 ohms
• Model: Oxford 8EV

TUBES

• Pre amp: 12AX7A
• Power: 6V6GTA
• Bias: Cathode
• Rectifier: 5Y3GT

Comments: The circuit number on the schematic seems very early for an amp released in 1967. This is most likely due to the fact that the Bronco and the Vibro Champ are nearly identical.