Crumar

The Crumar Organizer 2 is a dual organ, with a 61-note (C-C) upper keyboard and a 49-note (C-C) lower keyboard. It includes four "Piano" effects.

Crumar synthesizers pages at SynthMuseum site.

A photo of an early model

Featuring a string, brass and organ polyphonic sounds, the Stratus is a simplified little brother of the Crumar Trilogy, with a 4-octave 49-note (C-C) keyboard.

Keyboard report from Dave Frederick

The Bit One is a 6-voice polyphonic programmable touch-sensitive sythesizer, designed with microprocessor (computer) technology.

a rackmount 6-voice polyphonic MIDI module, programmable by parameter numbers on it's front panel.