AA-1800
| Brand | Heathkit |
| Manufacturer | Heath Company, Zenith |
| Function | Amplifier, Power |
| Produced | 1980 |
| Country | United States |
| Form Factor | 19" Rackmount |
| Signal Path | Analog Hardware |
| Dimensions | 48.3 × 17.8 × 42.5 cm (W × H × D) |
| Weight | 50lbs |
| Power | 120VAC, 60Hz 1200W |
| Frequency Response | 3Hz-100kHz ±1dB (1W) |
| Output Power (8Ω) | 250W |
| THD | <0.025% |
| IMD (SMPTE) | <0.02% |
| TIM (DIM 100, 3.18kHz:15kHz, 4:1, f(c)=10kHz)) | <0.03% |
| SNR (1W) | 85dB |
| Damping | 100 |
| Input Sensitivity (1W, 8Ω) | 110mV |
| Input Impedance | 20kΩ |
| Input Capacitance | 50pF |
| Channel Separation | 60dB |
| MSRP (1980) | $599.95 |
| Channels | 2 Channel |