SONY APM-20AV
¥ 29,500 (1 unit, around 1986)
Commentary
Anti-magnetic 2-way speaker system equipped with APM woofer.
210 cm in the lower range2APM type woofer, and SUD (Sony Unified Diaphargm) 2.5 cm dome type unit is used for high frequency.
Each unit is a magnetic shielding type, and there is no color shift or color unevenness on the screen even if it is close to a television.
The enclosure uses an acoustic rounded enclosure to prevent the diffraction phenomenon of sound.
Equipped with a 2-position AV equalizer.
In the AV position, sound quality in the middle and high range is slightly suppressed, and in the pass position, sound quality is natural.
There was a speaker stand sold separately.
Model Rating
| Method | 2-way, 2-speaker, bass reflex system ・ Bookshelf Type ・ Anti-magnetic Type |
| Unit | For low band : 210 cm2Plane type For high-pass : 2.5 cm dome type |
| Playback frequency band | 40 Hz to 20000 Hz |
| Output sound pressure level | 89dB/W/m |
| Impedance | 8 Ω |
| Maximum instantaneous input level | 100W |
| Rated input level | 50W |
| Crossover frequency | 2kHz |
| External dimensions | Width 250x Height 430x Depth 295 mm |
| Weight | 10kg |
| Sold Separately | Speaker Stand WS-200 (2 pcs 1 set, ¥ 13,800) |