MA-12
| Brand | Heathkit |
| Manufacturer | Daystrom Ltd. |
| Function | Amplifier, Power (Kit) |
| Produced | 1966 |
| Country | United Kingdom |
| Signal Path | Analog Hardware |
| Dimensions | 28.2 × 17.1 × 14.6 cm (W × H × D) |
| Weight | 12.5lbs |
| Power | 100-117/200-250VAC, 40-60Hz 100W |
| Frequency Response | 20Hz-30kHz ±1dB (1W) |
| Output Power | 12W |
| THD (10W, 40Hz) | 0.4% |
| THD (10W, 1kHz) | 0.1% |
| THD (10W, 5kHz) | 0.2% |
| Input Sensitivity | 120mV |
| Negative Feedback | 26dB |
| Subsidiary Feedback | 6dB |
| Output Impedance | 2-4/8-11/14-16Ω |
| SNR | 85dB |
| Output Tube | EL84 (6BQ5) |
| Tube Complement | EF86, ECC83, EL84 (x2), GZ34 |
| MSRP (1966) | £12 18s |
| Channels | 1 Channel |