Jc-120 Schematic ✪

uses two separate 60-watt power amplifiers to drive two 12-inch speakers independently. 120W total (60W + 60W into 8Ω).

| Symbol | Meaning | |--------|---------| | IC1A, IC1B | Dual op-amp (first half, second half) | | VR1–VRxx | Trimpots for bias / chorus clock | | TP1, TP2 | Test points (voltages listed in service notes) | | MN3002 | BBD delay line | | MN3101 | Clock driver for BBD | jc-120 schematic

The Roland JC-120 schematic is a blueprint for transparency. While tube amp schematics are often diagrams of distortion—stages designed to overdrive the next—the JC-120 schematic is a diagram of linearity. It is an exercise in keeping the signal pure until it hits the Chorus circuit. uses two separate 60-watt power amplifiers to drive