Model/Circuit Number: Years of Production: 1987 – 1994 Era: Red Knob Configuration: Combo Controls: Black, forward facing w/ white labels, controls numbered 1 – 10 Knobs: Red or Black (90-94) Unnumbered Faceplate Front: Vol, Treb/Boost, Mid/Cut, Bass – Ch 1 In, Ch 1 In – Ch 2 In, Ch 2 In – Gain, Treb/Boost, Mid/Boost, [...]

Years of Production: 1990 – 1992 Era: Red Knob Configuration: Head Controls: Black forward facing w/ white labels, controls numbered 1 – 10 Knobs: Red or Black Pointer Knob, Unnumbered Faceplate Front: In, In, Vol (clean), Gain, Vol (drive), Channel Sw, Treb, Mid, Bass, Reverb, Presence, Footswitch In, Standby Sw, Power Sw, Pilot Lamp Rear: [...]

Model/Circuit Number: Years of Production: 1987 – 1993 Era: Configuration: Piggyback Controls: Black, forward facing w/ white labels, controls numbered 1 – 10 Knobs: red (87-90) or black (90-93), unnumbered Faceplate Front: Vol, Treb/Boost, Mid/Boost, Bass – Ch 1 In, Ch 1 In – Ch 2 In, Ch 2 In – Gain, Treb/Boost, Mid/Boost, Bass/Boost, [...]