SONY APM-090
¥ 18,000 (a set of two cars, around 1983)
Commentary
Active speaker system with APM speaker and amplifier built in.
35 cm for the unit2Equipped with APM type unit.
There is a carrying handle as an accessory.
The power supply is battery driven, and AC adapter and car accessories sold separately can be used.
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Model Rating
| Method | Speaker system with built-in power amplifier |
| Speaker Unit | |
| Unit | For all bands : 35 cm2Plane type |
| Playback frequency band | 90 Hz to 20000 Hz |
| Output sound pressure level | 86dB/W/m |
| Impedance | 4 Ω |
| Instantaneous maximum input | 25W (direct connection) |
| Amplifier Unit | |
| Execution output | 3.5W+3.5W(PEAK) |
| Input impedance | 200 Ω |
| <General> | |
| Pwer | Dry battery (AAA 2x4) 100 VAC, 50Hz/60Hz (Separately Sold AC-9 or AC-61 Used) Car Battery (Separately sold DCC-127A Used) |
| Battery life time | Approx. 5 Hours (Attached Battery) |
| External dimensions | Width 96x Height 143x Depth 89 mm |
| Weight | 1.26 kg (set, battery not included) |
| Attachment | Speaker cord Carrying Handle |