SONY TA-AX4
¥ 55,000 (around 1981)
Commentary
Pre-main amplifier using legato linear system.
By adopting the Legato linear system, Hi-ft power transistor, pulse power supply, heat pipe, etc., simple and straight transmission is ensured.
Uses a high-gain equalizer amplifier compatible with MC cartridges.
Equipped with 2-speed feather touch volume.
Equipped with 2 tape monitor / independent tape copy function.
Equipped with self-defeat tone control.
Built-in functions such as audio muting, subsonic filters, and loudness control.
The phono terminal is gold-plated.
Model Rating
| Type | Pre-main amplifier |
| Output | 55W + 55W (20 Hz to 20 kHz, both channels, 8 Ω) |
| Harmonic distortion factor | 0.005% (20 Hz ~ 20 kHz, Effective Output) |
| Signal-to-noise ratio | Phono MM:90dB Phono MC:72dB |
| Damping factor | 50 |
| Power consumption | 87W |
| External dimensions | Width 430x Height 80x Depth 330 mm |
| Weight | 4.5kg |