The HP-4000S was sold with an optional KS-4000 stand. The harpsichord, clavi, and electric piano 2 sounds only have 10 notes of polyphony.
Voice List:
Year Released: 1988
Keyboard: 88 keys
Polyphony: 16 notes
Preset Patches: 8
Effects: chorus, tremolo, reverb
Power Consumption: 75 watts
Weight: 47 kg
Dimensions: 1383 mm x 503.5 mm x 184 mm
This keyboard is MIDI-enabled.
MIDI Connections: Standard 5-Pin MIDI in, out, and thru connections.
This digital piano has built-in 25-watt speaker(s).
Roland HP-3500S and HP-4000S and HP-5000S Manual
Roland - HP-2900G/3000S/3500S/3700/4000S/4000SL/4500S/5000S -power switch ($28.90)
Roland HP3500S/4000S/4000SL/5000S/5000SL Schematics /Service Manual/ Service Notes Original ($24.39)
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