A-656
| Manufacturer | Pioneer |
| Function | Amplifier, Integrated |
| Produced | 1989-1990 |
| Country | Japan |
| Form Factor | Desktop |
| Signal Path | Analog Hardware |
| Dimensions | 420 x 435 x 162mm |
| Weight | 13.5kg |
| Power | 220V / 120V |
| Frequency Response | 1Hz to 150kHz |
| THD | 0.005% |
| Damping factor | 70 |
| Input sensitivity | 0.2mV (MC), 2.5mV (MM), 150mV (line) |
| Signal to noise ratio | 77dB (MC), 95dB (MM), 110dB (line) |
| Output | 150mV (line) |