ساب ووفر سینمایی جی بی ال (JBL) مدل ۴۶۴۲A
ساب ووفر سینمایی جی بی ال (JBL) مدل ۴۶۴۲A
۴۶۴۲A Dual 460 mm (18 in.) Subwoofer System
The JBL Model 4642A is a high quality subwoofer system, featuring an advanced technology 460 mm (18 in), low frequency transducers mounted in a direct radiator, bass-reflex enclosure for smooth response to the lowest audible frequencies. The 4642A is ideal for low-frequency augmentation of either analog or digital soundtracks in motion picture theaters and for general sound reinforcement applications.
FEATURES
- ۱۲۰۰ Watts Continuous Pink Noise, 2400 Watts Continuous Program Power Handling
- Usable response to 22 Hz (-10 dB, no EQ), flat to 22 Hz (-3 dB) with External EQ
- ۲۲۴۱H VGCTM Vented Gap Cooled Drivers – High Sensitivity – Low Power Compression – High Maximum-SPL Capability – Low 2nd and 3rd Harmonic – Distortion – Symmetrical Field Geometry SFGTM – Magnet Structure – Long Excursion Capability
- proved by Lucasfilm, Ltd. for THX® installations
SPECIFICATIONS
| Rated Impedance | ۴ ohms | |
| Minimum Impedance | ۳٫۲ ohms | |
| Power Handling Capability | – | |
| Continuous Pink Noise | ۱۲۰۰ Watts | |
| Continuous Program | ۲۴۰۰ Watts | |
| Peak Power | ۴۸۰۰ Watts | |
| Output Capability | – | |
| Axial Sensitivity | ۵۰ Hz to 500 Hz; 101 dB, 1W @ 1m 40 Hz to 100 Hz; 100 dB, 1W @ 1m |
|
| Net Weight | ۹۸ kg (216 lbs.) | |
| Dimensions H x W x D | ۷۶۲ mm x 1219 mm x 610 mm 30 in x 48 in x 24 in |
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