SONY APM-500
¥ 17,500 (1 unit, released in 1983)
Commentary
This compact speaker system was developed as a sister machine of APM-700.
144 cm with an aluminum honeycomb diaphragm equivalent to 13.5 cm in the low range2Equipped with a flat woofer.
In the high-frequency range, an aluminum honeycomb diaphragm equivalent to 3.4 cm is used for 9 cm.2Equipped with a planar type tweeter.
The enclosure has a bass-reflex structure.
Model Rating
| Method | 2-Way, 2-Speaker, Bass Reflex System, Bookshelf Type |
| Unit | For low band : 144 cm2Plane type For high frequency : 9 cm2Plane type |
| Playback frequency band | 50 Hz to 20000 Hz |
| Output sound pressure level | 88dB/W/m |
| Impedance | 6 Ω |
| Instantaneous maximum input | 100W |
| Rated maximum input | 50W |
| Crossover frequency | 2.2kHz |
| External dimensions | Width 215x Height 360x Depth 215 mm |
| Weight | 5.1kg |
| Attachment | Speaker cord |