| Form Factor | Standard Width |
| Signal Path | Analog Hardware |
| Dimensions | 38.1 × 11.4 × 20.3 cm (W × H × D) |
| Weight | 13lbs (Shipped) |
| Power | 117VAC, 60Hz |
| Frequency Response | 20Hz-20kHz ±1dB, 15Hz-30kHz ±1.5dB |
| Input Sensitivity (Phono, 1kHz) | 2mV |
| Input Sensitivity (Mic) | 10.5mV |
| Input Sensitivity (Aux) | 0.25V |
| THD (2.5V, 1kHz) | 0.15% |
| IMD (2.5V, 60Hz:6kHz, 4:1) | 0.5% |
| MSRP (1960) | $37.95 |
| Channels | 1 Channel |
| Notes | Monaural SP-1A capable of being converted to stereo SP-2A with C-SP-1A conversion kit. Some units labeled SP-1A may effectively be SP-2As if the conversion has been applied. |
