Fender Twin Red Knob Years of Production: 1987 – 1994 Era: Red Knob nfiguration: mbo ntrols: Black, forward facing w/ white labels, ntrols numbered 1 – 10 Knobs: Red or Black (90-94) Unnumbered Faceplate Front: Vol, Treb/Boost, Mid/Cut, Bass – Ch 1 In, Ch 1