| Form Factor | 19" Rackmount |
| Signal Path | Analog Hardware |
| Dimensions | 48.3 × 26.7 × 21 cm (W × H × D) |
| Weight | 41lbs |
| Power | 120/250VAC, 50/60Hz 25W (Idle), 260W (70W Out), 420W (Max) or 24/28VDC 0.2A (Idle), 8A (70W Out), 14A Max |
| Frequency Response | 20Hz-20kHz ±1dB |
| Power Output | 200W |
| Gain | 67dB |
| THD (200W, 50Hz-12kHz) | 1.0% |
| Input Sensitivity | 0.8V |
| Input Impedance | 600Ω, 15kΩ |
| Source Impedance | 150Ω, 600Ω (With Altec 15095 Line Transformer) |
| Load Impedance | 6.25/8Ω (Optional: 16Ω) |
| Load Voltage | 35V (Optional: 70V) |
| Damping Factor | 4 |
| SNR | 85dB |
| MSRP (1975) | $624 |
| Channels | 1 Channel |
| Notes | Multivoltage, higher reliability version of the 1590B designed for drive-in theaters. Includes circuitry to trickle charge connected battery banks when operated in AC mode and automatic transfer from AC to DC operation in event of power failure. |
