Device: Oberheim DSX Oberheim DX [Drum Machine] Oberheim Matrix 6 [6-Voice Synthesizer] Oberheim Matrix 6R [Synthesizer] Oberheim Matrix 12 [Polyphonic Synthesizer] Oberheim OB-8 [8-Voice Synthesizer] Oberheim XK [Remote MIDI Keyboard Controller] Oberheim Xpander [Polyphonic Synthesizer]