JBL 4648TH
JBL 4648TH
Introduction

JBL 4648TH Low Frequency System. Model 4648TH is a 4 ohm system, with built-in crossover network.

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
SPECIFICATIONS

Rated impedance

4 ohms

Minimum impedance

3.5 ohms

Input power ratingl

1200 watts, continuous pink noise

Axial sensitivity

100 dB, 1 W, 1 m

Lower frequency limits

-3dB: 45Hz
-10dB: 35Hz

Half-Space reference efficiency

7 %

Maximum continuous acoustical
power output (sine wave input)

28 watts

Maximum continuous SPL (sine wave input)

Half-space at 1 m (3.3 ft): 126 dB
Half-space at 3 m (10 ft): 116 dB
Half-space at 30 m (100 ft): 96 dB

Recommended crossover frequencie

High-pass: 40 Hz, 12-dB/octave
Low-pass: 500 or 800 Hz, 12- or 18-dB/octave

System polarity

Positive voltage to black terminal produces forward cone motion

Input connectors

Color coded push terminals

Net system weight

62.2 kg (137 lb)

CONTACT US
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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.

Magna-Tech Electronic Co., Inc.
329 Palermo Ave. 1st Floor
Coral Gables, FL 33134-6601 USA
Phone: (305) 573-7339
Fax: (305) 573-8101
E-mail:
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