S-33
| Brand | Heathkit |
| Manufacturer | Daystrom Ltd. |
| Function | Amplifier, Integrated (Kit) |
| Produced | 1959 |
| Country | United Kingdom |
| Signal Path | Analog Hardware |
| Output Power | 3W |
| THD | 0.3% |
| Input Sensitivity | 100mV |
| Input Impedance | 1MΩ |
| MSRP (1959) | £11 8s |
| Channels | 2 Channel |