JBL 4648TH
JBL 4648TH

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

  • 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

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)

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.

Magna-Tech Electronic Co., Inc.
6114 NW 74th Ave.
Miami FL 33166 USA
Phone: (305) 573-7339
Fax: (305) 573-8101
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