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