JBL 4315A/4315WXA
* Released in 1976
4315A : ¥ 350,000 (1 unit, around 1978)
4315 WXA : ¥ 360,000 (1 unit, around 1978)
Commentary
This is a compact 4-way speaker system among studio monitors.
It is equipped with a 30 cm cone woofer 2203A for the low range, a 20 cm cone woofer 2108 for the middle and low range, a 13 cm cone scoker 2105 for the middle and high range, and a horn type tweeter 2405 for the high range.
The enclosure uses a bass reflex system.
In addition, it can be suspended by the support metal fittings on the back.
There are two variations in appearance : the 4331A uses a gray finish and black grill, and the 4331 awx uses a walnut finish and blue grill.
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Model Rating
| Method | 4-Way, 4-Speaker, Bass Reflex System, Bookshelf Type |
| Unit | Low Band : 30 cm Cone Type (2203A) For Medium Low Band : 20 cm Cone Type (2108) For Middle and High Areas : 13 cm Cone Type (2105) For High Pass : Horn Type (2405) |
| Playback frequency band | 35 Hz to 20 kHz ± 3 dB |
| Crossover frequency | 400 Hz, 2 kHz, 8 kHz |
| Directional (Horizontal x Vertical) | 80 ° x60 ° (16 kHz) |
| Impedance | 8 Ω |
| Output sound pressure level | 89 db (New JIS) |
| Allowable Input (RMS) | 60W |
| Enclosure volume | Woofer : 91L Mid-Woofer : 2.8L |
| External dimensions | Width 521x Height 854x Depth 327 mm |
| Weight | 43kg |