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

JBL 4642А

Introduction
Features
Specifications

Introduction

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

Specifications

Introduction
Features
Specifications

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

Introduction

Specifications

Introduction
Features
Specifications

SPECIFICATIONS

Rated Impedance	4 ohms
Minimum Impedance	3.2 ohms
Continuous Pink Noise	1200 Watts
Continuous Program	2400 Watts

Peak Power	4800 Watts
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