Model/Circuit Number: AB764 Years of Production: 1967 – 1975 Era: Configuration: Combo Controls: Silver forward facing w/ red labels Knobs: Black skirted w/ chrome center, numbered 1 – 10 Faceplate: Front: In, In, Vol, Treb, Bass, Speed, Intensity – Power Sw, Pilot Lamp Rear: None Cabinet: Dimensions: Hardware: Handle: Black strap handle with Chrome ends [...]