The JBL Model 4642A is a high quality subwoofer system, featuring an advanced technology 460 mm (18 in), low frequency transducers mounted in a direct radiator, bass-reflex enclosure for smooth response to the lowest audible frequencies. The 4642A is ideal for low-frequency augmentation of either analog or digital soundtracks in motion picture theaters and for general sound reinforcement applications.

Features :
1200 Watts Continuous Pink Noise, 2400 Watts Continuous Program Power Handling
Usable response to 22 Hz (-10 dB, no EQ), flat to 22 Hz (-3 dB) with External EQ
2241H VGCTM Vented Gap Cooled Drivers  High Sensitivity  Low Power Compression  High Maximum-SPL Capability  Low 2nd and 3rd Harmonic  Distortion  Symmetrical Field Geometry SFGTM  Magnet Structure  Long Excursion Capability
proved by Lucasfilm, Ltd. for THX® installations

Specifications :
Rated Impedance : 4 ohms
Minimum Impedance : 3.2 ohms
Power Handling Capability : –
Continuous Pink Noise : 1200 Watts
Continuous Program : 2400 Watts
Peak Power : 4800 Watts
Output Capability : –
Axial Sensitivity : 50 Hz to 500 Hz; 101 dB, 1W @ 1m
40 Hz to 100 Hz; 100 dB, 1W @ 1m
Net Weight : 98 kg (216 lbs.)
Dimensions H x W x D : 762 mm x 1219 mm x 610 mm
30 in x 48 in x 24 in

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