ACOUSTIC SYSTEMS

JBL 4638

JBL 4638
JBL 4638
Introduction

JBL 4638 Low Frequency System. The JBL 4638 low frequency system is designed for cinema use and general reinforcement where smooth power response and accurate reproduction are essential. The 4638 employs the latest in JBL low frequency transducer technology, offering exceptional performance benefits

Features
Specifications
Features
  • Usable Response to 30 Hz
  • 100 dB Sensitivity, lW, 1 m
  • 800 Watts Power Capacity
  • 1600 Watts Continuous Program
  • Two 380 mm (15 in) Low Frequency Transducers with Exceptional Performance
  • Direct Radiator Ported Enclosure
Introduction
Specifications
SPECIFICATIONS

Rated impedance

4 ohms

Minimum impedance

3.5 ohms

Axial sensitivity

100 dB @ lW, 1 m

AES

800 watts

Long Term Average per EIA RS-426A

1000 watts

Continuous Program

1600 watts

Half-space reference efficiency

8%

Maximum acoustical power output

64 watts

Power compression

at -10 dB power (80 W): 0.6 dB
at -3 dB power (400 W): 1.9 dB
at rated power (800 W): 3.2 dB

Net system weight

62.2 kg (137 lb.

CONTACT US
Let us follow up
with you
Our office hours are 9:30am-5:30pm weekdays — please drop by, call us or fill in the contact form so we can reply to you shortly.

1998 NE 150th Street, North Miami,
FL 33181 USA
Phone: (305) 573-7339
Fax: (305) 573-8101
E-mail:
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