351C
| Brand | Altec, Altec Lansing |
| Manufacturer | Altec Lansing Corporation, LTV Ling Altec, Inc. |
| Function | Amplifier, Power |
| Produced | 1966 |
| Country | United States |
| Signal Path | Analog Hardware |
| Dimensions | 24.8 × 13 × 23.9 cm (W × H × D) |
| Weight | 16.5lbs |
| Power | 120VAC, 50/60Hz 6W (Idle), 55W (⅓ Output), 80W (Max), 240VAC, 50/60Hz 8W (Idle), 70W (⅓ Output), 100W (Max) |
| Frequency Response | 20Hz-20kHz ±1B |
| Power Output (Music, 4Ω) | 50W |
| Gain | 66.5dB (With Altec 15095 Line Transformer) |
| THD | 0.5% |
| Input Sensitivity | 0.45V |
| Input Impedance | 50kΩ |
| Source Impedance | 150Ω, 600Ω (With Altec 15095 Line Transformer) |
| Load Impedance | 4/8/16/100Ω |
| Load Voltage | 14.1/20/28.3/70V |
| Damping Factor | 14 |
| Damping Factor (70V) | 7 |
| SNR | 90dB |
| Finish | Dark Green |
| Channels | 1 Channel |