GREAT VALUE! Classic 3 manual Allen Digital Computer Organ! The 632 is a twin MOS-1 design with four main channels plus a bass boost. This example has an additional two channels for 1980s digital ADAC reverberation system for a total of seven included speaker cabinets. It also has the upgraded MOS boards with EPROMs for several improved stops including a 16′ Bombarde in the pedal division. Church organists will enjoy the convenience of dual memory moving capture memory, divided expression and a crescendo pedal. It also has an external Chimes system attached to left side of console that plays through the main audio from the Great keyboard. This organ sounds better than you might expect. In all, a great package for a home practice organ for only $4,995.