WA-A1
| Brand | Heathkit |
| Manufacturer | Heath Company |
| Function | Amplifier, Power (Kit) |
| Produced | 1952 |
| Country | United States |
| Model ID | Williamson Type Amplifier |
| Signal Path | Analog Hardware |
| Weight | 29lbs |
| Power | 110VAC, 60Hz |
| Frequency Response | 10Hz-100kHz ±1dB |
| Output Power | 20W |
| THD (5W) | 0.5% |
| IMD (5W) | 0.5% |
| MSRP (1952) | $49.75 |
| Channels | 1 Channel |