JBL 4623(4623A)

Commentary

A cabaret series speaker system developed for SR and acoustic guitar.

The 4623 is designed with a horn type tweeter added to the 4621.

A 38 cm cone wide range unit, E130, is installed in the low range.

A horn type tweeter 2402 is installed in the high frequency range.
This unit uses a ring type diaphragm.

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 4623A in the 1981 catalog.

Model Rating

Method	2-way, 2-speaker, bass reflex system
Units Used	For Low Band : 38 cm Cone Type (E130) For High Pass : Horn Type (2402)
Frequency characteristic	50 Hz to 15 kHz
Allowable input	300W (continuous program)
Impedance	8 Ω
Sound pressure level	105dB/W/m
Crossover frequency	3kHz
Enclosure volume	127L
External dimensions	Width 512x Height 767x Depth 478 mm
Weight	43.5kg