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.
JBL 4642A
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