Sony APM-55 W

Data

General

• Manufacturer: Sony
• Model: APM-55 W
• Type: Honeycomb loudspeaker
• Years of manufacture: 1983 - 1987
• Made in: Japan
• Color: Walnut
• Made in: Japan
• Dimensions: 385 x 685 x 330 mm (WxHxD)
• Weight: 27,5 kg
• Original price approx.: 108'000 Yen (Japan, 1983), 1'700 DM per piece

Technical data

• Construction: 3-way bass reflex
• Chassis:
  • Low frequency: 205 x 205 mm

Midrange: 69 x 69 mm Tweeter: 35 x 35 mm

• Power handling (nominal / music): 100 W / 200 W
• Efficiency: 91 dB / W / m
• Frequency response: 31 - 30'000 Hz
• Transitional ranges: 450 Hz, 4'500 Hz
• Impedance: 5 Ohm

Special Features

• Square flat diaphragms

Remarks

• Other models in the same series:
• Sony APM-4 E
• Sony APM-6
• Sony APM-8
• Sony APM-20 ES
• Sony APM-22 ES
• Sony APM-55 W
• Sony APM-66 ES
• Sony APM-77 W

Pictures

• Extract from brochure: Sony APM-55 W