Subwoofer JBL 4645C

The JBL Model 4645C is a high quality subwoofer system, featuring an advanced technology 460 mm (18 in), low frequency transducer mounted in a direct radiator, bass-reflex enclosure for smooth response to the lowest audible frequencies. The 4645C is ideal for low-frequency augmentation of either analog or digital soundtracks in motion picture theaters and for general sound reinforcement applications.

Features :
800 Watts Continuous Pink Noise, 1600 Watts Continuous Program Power Handling
Usable response to 22 Hz (-10 dB, no EQ), flat to 22 Hz (-3 dB) with External EQ
2242H SVGTM Super Vented Gap Cooled Driver High Sensitivity Minimal Power Compression Highest Maximum-SPL Capability Extremely Low 2nd and 3rd Harmonic Distortion Symmetrical Field Geometry SFGTM Magnet Structure Extended Excursion Capability
Approved by Lucasfilm, Ltd. for THX® installations

Specifications :
Rated Impedance : 8 ohms
Minimum Impedance : 7.2 ohms
Power Handling Capability : –
Continuous Pink Noise : 800 watts
Continuous Program : 1600 watts
Peak Power : 3200 watts
Output Capability : –
Axial Sensitivity : 50 Hz to 500 Hz; 99 dB, 1W @ 1m
40 Hz to 100 Hz; 97 dB, 1W @ 1m
Power Compression : –
At -10 dB power (80 W) : 0.6 dB
At -3 dB power (400 W) : 2.0 dB
At rated power (800 W) : 3.3 dB
Net Weight : 63 kg (138 lbs.)
Dimensions H x W x D : 1010 mm x 674 mm x 450 mm
39¾ in x 26½ in x 17¾ in

Strona Producenta:
http://www.jblpro.com
Dokumentacja Techniczna:
dokumentacja techniczna