The ARP 16-Voice Electric Piano was a 73-key electronic piano produced by ARP Instruments, Inc. from 1979 to 1981, with specially designed weighted maple action keys, similar to a grand piano. There was also a headphone jack on the front panel and two inputs on the back for external inputs such as tape recorders etc.
Sounds Acoustic piano Vibes Harpsichord Harp Electric piano
Pedal assembly The unit featured two brass pedals: right for sustain, left soft pedal or vibrato.
External links http://synthmuseum.com/arp/arppianobro.jpg
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