- preamp only, rack-mount unit, tube chassis with 12AX7s, 128 MIDI-programmable channels, front control panel, various functions including tone controls, noise gate, chorus, tube voices, effects loop, and stereo outputs, black casing, mfg....
- preamp only, rack-mount unit, tube chassis with 12AX7s, 128 MIDI-programmable channels, front control panel, various functions including tone controls, nine-band graphic EQ, chorus, ten tube voices, effects loop, and stereo outputs, black...
- bass preamp only, rack-mount unit, tube and solid-state parallel circuits chassis, MIDI-programmable, front control panel, various functions including 256 user programs, 79 factory presets, five-band programmable semi-parametric EQ, progr...
