Modal Electronics

8-voice Rackmountable Synthesizer Module, 2 Oscillators Per Voice, Step Sequencer, Low- and High-pass Filters, and Arpeggiator.

3U Rackmountable 8-voice Synthesizer Module with 2 Oscillators and 2 Sub Oscillators per Voice, Step Sequencer, 16-mode Filters, and Arpeggiator.