Oberheim OB-X8 Polyphonic Keyboard 8-Voice Pure-Analog Polyphony, Two Discrete SEM/OB-X VCOs, Discrete SEM / OBXa / OB-8 Filters, Envelopes from OB-X, OB-Xa, OB-8, 61-Key FATAR Keyboard: Vel & Aftertouch, Bi-Timbral: 2 Presets for Splits/Doubles, OLED...