EXCLUSIVE ED-911
¥ 45,000 (around 1982)
Commentary
This driver unit pursues high efficiency and wide range. It is used in the Model2301 speaker system.
Excellent characteristics phasing plug, tangential edge aluminum alloy diaphragm, voice coil of aluminum edgewise wire, rear type compression system have been adopted to obtain excellent characteristics.
Model Rating
| Type | Driver unit |
| Input impedance | 8 Ω |
| Playback frequency band | 400 Hz to 20 kHz |
| Max Input | 40W (800 Hz, -12dB/oct.) |
| Output sound pressure level | 108dB/W/m |
| Crossover frequency | 800 Hz or More (Attenuation Characteristic 12dB/oct.) |
| Air gap total flux | 78,700Maxwell |
| Air gap magnetic flux density | 17,200Gauss |
| Equalizer system | 3 Double Slit Rear Type |
| Voice coil diameter | Φ 48 mm |
| Throat connection hole diameter | Φ 25.4 mm |
| External dimensions | Diameter φ 141x Depth 107 mm |
| Weight | 4.7kg |