1589B
| Brand | Altec |
| Manufacturer | Altec Corporation |
| Function | Amplifier, Pre |
| Produced | 1975 |
| Country | United States |
| Form Factor | 19" Rackmount |
| Signal Path | Analog Hardware |
| Dimensions | 48.3 × 4.4 × 12.1 cm (W × H × D) |
| Weight | 4.2lbs |
| Frequency Response | 20Hz-20kHz ±1dB |
| Gain (Altec 1588C) | 77dB |
| Gain (Altec 15095A) | 28dB |
| Gain (Altec 15356A) | 42dB |
| Power Output | +20dBm |
| THD | 0.5% |
| Source Impedance (Altec 1588C) | 150/250Ω |
| Source Impedance (Altec 1579C) | 50kΩ |
| Source Impedance (Altec 15095A) | 600-15kΩ |
| Source Impedance (Altec 15356A) | 150Ω or 600Ω |
| Load Impedance | 150Ω or 600Ω |
| Equivalent Input Noise (Altec 1588C) | -129dBm |
| SNR | 85dB |
| Channels | 2 Channel |