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Vendor: Lighting Images Technology

JBL 4642A, Dual 460 mm (18 in.)

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JBL 4642A, Dual 460 mm (18 in.)
JBL 4642A, Dual 460 mm (18 in.)


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Base Reflex Subwoofer System.  Components:  Two 2241H Installed in Dual 18" Enclosure, 1200 Watts.  Approved by Lucasfilm, Ltd. for THX System Installations. JBL Products Subject to Factory Availability 

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.
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
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
JBL Products Subject to Factory Availability 
Spec Sheet:  4642a

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