JBL 3730

JBL 3730 Three-Way Tri/Bi-Amplified/Passive

September 25, 2019 | Categories: Cinema, JBL, Loudspeakers, and Products.

Three-Way Bi-Amplified/Passive ScreenArray® Cinema Loudspeaker System

The JBL 3730 ScreenArray provides smooth and accurate reproduction of cinema soundtracks in a compact and very cost effective system.
 

Gallery

Features:

  • Three-Way ScreenArray design for maximum output, optimal coverage, and minimum distortion.
  • Bi-amplified or fully passive switchable operation.
  • SSC™ Screen Spreading Compensation.
  • New molded Optimized Aperture Waveguide technology for ultra low distortion and extremely uniform frequency response.
  • Low Frequency section features dual 15″ transducers with ribbon wire voice coils for low distortion and high efficiency.

 

Specifications

Frequency Range 30 Hz – 18 kHz
System Sensitivity 105 dB, 2.83V @ 1 m (3.3 ft)
Nominal Impedence 4 ohms
Passive System Input Power Rating 600 W
Bi-Amp System Input Power Rating LF: 500 W
M/HF: 125 W
Nominal Coverage 90º horizontal,
-30º/+20º vertical
Crossover Frequency 450 Hz , 2 kHz
Dimensions
(H x W x D)
173.4 mm x 762 mm x 450 mm
(68.25 in x 30 in x 17.75 in)
Net Weight 67.1 kg (147 lb)

Component Elements

3739 Low Frequency Two M115-8A 380 mm (15 in) dia., 61 mm (2.5 in) edgewound ribbon voice coil transducers mounted in a 4509 LF enclosure
Dimension
(H x W x D)
883 mm x 762 mm x 450 mm
(34.75 in x 30 in x 17.75 in)
Net Weight 56 kg (123 lb)

Model 3730-M/HF

Nominal Impedance 4 ohms [MF: 8 ohms, HF: 8 ohms]
Input Power Rating 125 watts AES;
300 watts recommended amplifier
Sensitivity 105 dB SPL, 2.83V @ 1 m (3.3 ft)
[MF: 110 dB SPL, 2.83V @ 1 m (3.3 ft)]
[HF: 112 dB SPL, 2.83V @ 1 m (3.3 ft)]
Input Connectors Screw terminal barrier strip
Mid Frequency 1 x 195H; 165.1 mm (6.5 in) dia., 38 mm (1.5 in) voice coil
High Frequency 2414H, 25 mm (1 in) polymer diaphragm, neodymium compression driver
Dimensions
(H x W x D)
852 mm x 762 mm x 360 mm
(33.5 in x 30 in x 14.1 in)
Net Weight 11.1 kg (24 lb)

 

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