Kurzweil SP4-7 specs
Stage piano specs verified against manufacturer documentation.
Brand: Kurzweil
6.5/ 10
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76 organ-length semi-weighted keys for cover-band duty - 64-note polyphony caps the SP4 recipe.
#57 of 64 stage pianos · full ranking| Status | legacy |
|---|---|
| Keys | 76 |
| Key action | 76-note, organ-length, semi-weighted action with velocity sensitive adjustable keys (Medeli KB76FPU) |
| Polyphony | 64 |
| Sounds / presets | 128 |
| Weight | 11 kg |
| Bluetooth | No |
| USB audio | No |
| Pedals | CC pedal (expression/swell) input, CC pedal input, switch pedal input |
| USB to host | yes |
| Dimensions (W×D×H) | 1108 × 86 × 289 mm |
| Discontinued | 1 |
| Released | 2011 |
| Release month | 1 |
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Spec source: www.synthtopia.com — verified 2026-10-10