ACOUSTIC SYSTEMS

JBL 4648A-8

Introduction
Features
Specifications

Introduction

JBL 4648A-8 Dual 15" Low Frequency System, 8 ohms. The JBL 4648A low frequency system is designed for general reinforcement and motion picture theater use where high power output with smooth power response and low distortion are essential. The 4648A system covers the frequency range from 35 Hz to 500 or 800 Hz, depending upon application. Model 4648A-8 is the 8 ohm version of this system, incorporating two 2226J transducers, used with models 4675B-2 and 4675B-8LF high frequency systems.

Features

Specifications

Introduction
Features
Specifications

Features

Usable Response to 35 Hz
100 dB Sensitivity, 1 W, 1 m
1200 Watts Power Capacity
Two 380 mm (15 in) Low Frequency Transducers
Direct Radiator Ported Enclosure

Introduction

Specifications

Introduction
Features
Specifications

SPECIFICATIONS

Low Frequency Drivers	(2) 2226J
Frequency Range	30 Hz - 1.8 kHz (-10 dB)
Power Capacity (Continuous Pink Noise)	1200 Watts
Power Capacity (Continuous Program)	2400 Watts
Sensitivity	100 dB SPL (1W, 1m, 3.3ft.)

Crossover Frequency	500 to 800 Hz recommended
Nominal Impedance	8 Ohms
Dimensions (HxWxD)	991 x 648 x 451 mm (39 x 25 1/2 x 17 3/4 in)
Net Weight	42.7 kg (94 lb)