JBL 4315
4315 : ¥ 455,000 (1 unit, released in 1975)
4315 wx : ¥ 470,000 (1 unit, released in 1975)
Commentary
This speaker system was developed as the smallest system among JBL Studio Monitors.
It is equipped with 30 cm cone type Woofer 2203A in the low range, 20 cm cone type Mid-Woofer 2108 in the middle low range, and 13 cm cone type Mid-High 2105 in the middle and high range.
A horn type tweeter 2405 is installed in the high range.
The front panel is equipped with level mid-low range, mid-high range, and high range.
A bass reflex system is used for the enclosure, and a medium and low range enclosure is installed inside to eliminate mutual interference between units.
The exterior is available in two color variations, gray finish and walnut finish.
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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 |
| Impedance | 8 Ω |
| Output sound pressure level | 89 db (New JIS) |
| Allowable input | 60W (continuous program) |
| Enclosure volume | 73.8 liters Mid-Woofer : 2.8L |
| External dimensions | Width 520x Height 850x Depth 280 mm |
| Weight | 41kg |