1566A
| Brand | Altec, Altec Lansing |
| Manufacturer | Altec Lansing Corporation |
| Function | Amplifier, Microphone |
| Produced | 195? |
| Country | United States |
| Form Factor | 19" Rackmount |
| Signal Path | Analog Hardware |
| Dimensions | 48.3 × 4.4 × 17.8 cm (W × H × D) |
| Weight | 5.5lbs |
| Power | 117VAC, 60Hz 5W |
| Frequency Response | 30Hz-15kHz ±1dB |
| Gain | 67dB |
| Power Output | +10dBm |
| Power Output | 25V |
| Input Impedance | 100kΩ |
| Source Impedance | 30/50Ω, 120/200Ω (With Altec 4722 transformer) |
| Load Impedance | 15kΩ, 150Ω, 600Ω (With Altec 15095 transformer) |
| Equivalent Input Noise | -122dBm |
| Output Noise Level | -81dB |
| Tube Complement | 12AX7 (x2) |
| Finish | Dark Green |
| Channels | 1 Channel |