JBL SR4731A
¥ 320,000 (1 unit, around 1994)
¥ 299,000 (1 unit, around 1997)
Commentary
SR series 2-way speaker system.
It can be used for a wide range of applications such as main speaker systems in small and medium halls, main PA systems, side fills, and rehearsal studios.
Two 30-cm cone Woofers 2206H are installed in the low range, and a horn-type unit is installed in the high range, combining a Horn 2381 with a 90 ° horizontal and 50 ° vertical directional characteristic and a driver unit 2447J.
It has a built-in network.
Equipped with a multi-amplifier drive switch.
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Model Rating
| Method | 2-Way, 3-Speaker, Bass Reflex System, Floor Type | ||
| Units Used | For low band : 30 cm cone type (2206H) x2 For High Frequency : Horn Type (2447J + 2381) |
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| Frequency characteristic | 40 hz to 18 khz -10dB | ||
| Allowable Input (IEC) | 1,200W (Continuous Pink Noise) | ||
| Nominal impedance | 4 Ω | ||
| Sound pressure level | 99dB/W/m | ||
| Directional property | H90 ° xV50 ° | ||
| Crossover frequency | 1.2kHz | ||
| When multi-amplifier is driven | Recommended crossover frequency : 1.3 kHz to 1.5 kHz
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| External dimensions | Width 635x Height 1,092x Depth 460 mm | ||
| Weight | 55.4kg |
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