SONY TA-1630
¥ 29,800 (around 1976)
Commentary
This is a pre-main amplifier that puts the highest priority on power and sound quality. It is an orthodox pre-main amplifier.
All stages use direct connection pure complimentary service symmetric OCL circuit.
Features such as clickable tone control and presence switch are included.
Model Rating
| Type | Stereo pre-main amplifier |
| Effective output (both channel operation) | 1 kHz : 27W + 27W (8 Ω) 20 Hz to 20 kHz : 24W + 24W (8 Ω) |
| Dynamic Power (IHF, 8 Ω) | 120W |
| Output Band Characteristics (IHF, 8 Ω) | 10 Hz to 40 kHz |
| Harmonic distortion factor | 0.5% or Less (Effective Output) 0.1% or Less (at 1W Output) |
| Intermodulation distortion factor (60 hz : 7 khz = 4 : 1) | 0.5% or Less (Effective Output) 0.1% or Less (at 1W Output) |
| Damping factor (1 kHz, 8 Ω) | 40 or more |
| Phono maximum allowable input (1 kHz) | 120mV |
| Tone control | Bass : 100 Hz ± 9 dB Treble : 10 kHz ± 6.5 dB |
| Loudness control | 50Hz:+8.8dB 10kHz:+2.5dB |
| Presence control | 1kHz:+2.5dB |
| Power consumption | 66W |
| External dimensions | Width 360x Height 145x Depth 290 mm |
| Weight | 5.8kg |
| Sold Separately | Wood Case TAC-17 (¥ 4,500) |