Sony APM-77 W
Data
General
- Manufacturer: Sony
- Model: APM-77, APM-77 W
- Type: Loudspeaker
- Years of manufacture: 1981 - 1988
- Made in: Japan
- Colors: American Walnut, Black
- Dimensions: 405 x 745 x 325 mm (WxHxD)
- Weight: 34,5 kg
- Original price approx.: 1'998 DM
Technical data
- Type: 3-way bass reflex
- Chassis:
- Low frequency: 230 x 230 mm flat diaphragm with 4 voice coils.
Midrange: 52 x 52 mm flat diaphragm tweeter: 26 x 26 mm flat diaphragm Power handling (nominal/music): 100 W / 200 W
- Efficiency: 90 dB / W / m
- Frequency response: 28 - 30'000 Hz
- Transitional ranges: 700 Hz, 4'500 Hz
- Impedance: 6 Ohm
Special Features
- Square flat diaphragms
- Level control for midrange and tweeter
Remarks
- Other models in the same series:
- Sony APM-6
- Sony APM-8
- Sony APM-33 W
- Sony APM-55 W
- Sony APM-66 ES
- Sony APM-77 W
- Sony APM-500
- Sony APM-700
Pictures
- Extract from brochure: Sony APM-77
- Extract from brochure: Sony APM-77 W
Reports
Links
- External link to website "The Vintage Knob": [1]