AR(Acoustic Research) AR-7
¥ 26,000 (1 unit, around 1973)
¥ 28,800 (1 unit, around 1974)
Commentary
A 2-way speaker system using a newly developed speaker unit.
A 20 cm cone type woofer is installed in the low range.
A 3.8 cm cone type tweeter similar to the AR-6 is installed in the high range. By making the shape of the diaphragm unique and close to the dome type, excellent directional characteristics and natural response are obtained.
The voice coils of the woofer and tweeter use heat-resistant voice coils to improve the allowable input.
Equipped with 2-step switching type level control for tweeter.
The enclosure uses an acoustic suspension system and the exterior is finished with an oil finish using a walnut.
Metal fittings for hanging on the wall are included.
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Model Rating
| Method | 2-way, 2-speaker, acoustic suspension system ・ Bookshelf type |
| Units Used | For low band : 20 cm cone type For high pass : 3.8 cm cone type |
| Impedance | 8 Ω |
| Minimum amplifier output | 15W (RMS, one channel) or more |
| Crossover frequency | 1.5kHz |
| External dimensions | Width 248x Height 400x Depth 159 mm |
| Weight | 4.75kg |
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