SUBWOOFERS

JBL 4645C

Introduction
Features
Specifications

Introduction

JBL 4645C Single 460 mm (18 in.) Subwoofer System. 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

Specifications

Introduction
Features
Specifications

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

Introduction

Specifications

Introduction
Features
Specifications

SPECIFICATIONS

Rated Impedance	8 ohms
Minimum Impedance	7.2 ohms
Power Handling Capability	-
Continuous Pink Noise	800 W
Continuous Program	1600 W
Peak Power	3200 W
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 39,75 in x 26,6 in x 17,75 in