SONY SA-W30
¥ 39,800 (1 unit, around 1983)
Commentary
Active subwoofer with a built-in amplifier.
The unit is equipped with 30 cm cone type woofer.
It is equipped with a selector switch that can adjust the low frequency according to the speaker to be paired.
It has a magnetic shield in consideration of the effect on TV.
Model Rating
| Method | Built-in Amplifier / 1-Way / 1-Speaker / Bass Reflex System / Floor Type / Anti-magnetic Type |
| Unit | For Ultra Low Band : 30 cm Cone Type |
| Amp | 60W (6 Ω) |
| Changeover switch | 60 Hz, 90 Hz, 140 Hz, 18dB/oct (Built-in Subsonic Filter) |
| Input sensitivity | 1.5 V (30 Hz, 60W, Volume Max) |
| External dimensions | Width 480x Height 494x Depth 395 mm |
| Weight | 18.5kg |