JBL 4680(4680A)
¥ 470,000 (1 unit, around 1981)
¥ 530,000 (1 unit, around 1983)
Commentary
A line-array-type speaker system for the Cabaret series.
Four 25 cm cone wide range units (E110) are installed in the low range.
Two horn type tweeters 2402 are installed in the high range.
A continuously variable attenuator is installed for high frequency.
The enclosure uses a rigid multi-layer plywood of 19 mm thickness and is externally coated with polyurethane paint for increased strength and high durability.
In addition, a front cover to protect the net and grill cloth during transportation, a polycarbonate corner guard of convenient shape when using the stack, and a carrying handle are taken into consideration.
It is listed as 4680A in the 1981 catalog.
Model Rating
| Method | 2-Way, 6-Speaker, Bass Reflex System, Floor Type |
| Units Used | For low band : 25 cm cone type (E110) x4 For High Pass : Horn Type (2402) x2 |
| Frequency characteristic | 55 Hz to 15 kHz |
| Allowable input | 600W (continuous program) |
| Impedance | 8 Ω |
| Sound pressure level | 105dB/W/m |
| Crossover frequency | 3kHz |
| Enclosure volume | 142L |
| External dimensions | Width 402x Height 1,322x Depth 372 mm |
| Weight | 62.1kg |
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