JBL 4642A Dual 460 mm (18 in.)Subwoofer System

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

Description

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

Frequency Range (±3 dB)22 Hz – 100 Hz
Frequency Response (-10dB)20 Hz – 500 Hz
Rated Impedance4 ohms
Minimum Impedance3.2 ohms
Power Handling Capability
Continuous Pink Noise1200 Watts
Continuous Program2400 Watts
Peak Power4800 Watts
OUTPUT CAPABILITY
Axial Sensitivity50 Hz to 500 Hz; 101 dB, 1W @ 1m 40 Hz to 100 Hz; 100 dB, 1W @ 1m
Net Weight (each)216 lbs (98 kg)
Dimensions (H x W x D)762 mm x 1219 mm x 610 mm 30 in x 48 in x 24 in
Power Handling (2Hr AES Rating)1200 W
Sensitivity100 dB
Maximum SPL (1m)131 dB
Nominal Impedance2 x 8Ω