MC-01 MICROCHASM™ - octave box

Email us to inquire about 2026 delivery. The TWA MC-01 MicroChasm borrows the fast-tracking, deliciously organic octave-down circuit from TWA’s infamous Great Divide and packs into a compact, pedalboard-friendly package. The MicroChasm’s 100% analog octave down circuit tracks quickly & accurately down to low-G on a Bass Guitar and features a Tone control that moves from deep, round subs to edgy, square wave synth pulses. It’s 100% analog +1 octave voice creates a searing upper-octave harmonic as well as Distortion, Octavia and Ring-Modulator effects. There is also a Footswitchable Solo feature allows user to select & solo either -1 Octave or +1 Octave voice using an external footswitch. The MicroChasm offers a bottomless pit of pleasing, pliable analog octave tones for both Bass & Guitar.