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)

Document

Brochure

Spec. Sheet