The AX73 is an analog subtractive synthesizer. It is pretty basic with only one oscillator per voice and has analog ADSR envelope generators and filters.
Year Released: 1986
Keyboard: 73 keys with velocity
Polyphony: 6 notes
Dimensions: 1152 mm x 364 mm x 110 mm
Weight: 15 kg
Akai AX73 ($550)