JBL 4730A

Commentary

Sound Power Series 3-way speaker system.

Equipped with 38 cm cone type woofer 2226H in the low range.
The mid-range is equipped with a 20 cm cone type mid-range 2118J, and the high-range is equipped with a biradial ring radiator 2404H.

A debinding network is built in.

The enclosure uses a bass reflex system.

In addition to the same enclosure size, the 4730A and 4731A are almost equivalent in efficiency, maximum allowable input power and maximum sound pressure. The difference between the two models is mainly in the directional characteristics and sound quality in the middle and high range.

Model Rating

Method	3-way, 3-speaker, bass reflex system
Unit	Low Band : 38 cm Cone Type (2226H) For Middle Range : 20 cm Cone Type (2118J) For High Frequency : Horn Type (2404H)
Playback frequency band	35 Hz to 20 kHz -10dB
Output sound pressure level	97dB/2.83V/m 122 dB max.
Allowable Input (IEC268-5)	600W(Pink noise)
Crossover frequency	850 Hz, 3.5 kHz
Directional characteristic (-6dB)	H100 ゜ xV100 ゜
Impedance	8 Ω
Input / output connector	Neutrik NL4MPRx2
External dimensions	Width 565x Height 850x Depth 440 mm
Weight	45kg