ساب ووفر سینمایی جی بی ال (JBL) مدل ۴۶۴۵C
ساب ووفر سینمایی جی بی ال (JBL) مدل ۴۶۴۵C
۴۶۴۵C Single 460 mm (18 in.) Subwoofer System
The JBL Model 4645C is a high quality subwoofer system, featuring an advanced technology 460 mm (18 in), low frequency transducer mounted in a direct radiator, bass-reflex enclosure for smooth response to the lowest audible frequencies. The 4645C is ideal for low-frequency augmentation of either analog or digital soundtracks in motion picture theaters and for general sound reinforcement applications.
FEATURES
- ۸۰۰ Watts Continuous Pink Noise, 1600 Watts Continuous Program Power Handling
- Usable response to 22 Hz (-10 dB, no EQ), flat to 22 Hz (-3 dB) with External EQ
- ۲۲۴۲H SVGTM Super Vented Gap Cooled Driver – High Sensitivity – Minimal Power Compression – Highest Maximum-SPL Capability – Extremely Low 2nd and 3rd – Harmonic Distortion – Symmetrical Field Geometry SFGTM – Magnet Structure – Extended Excursion Capability
- Approved by Lucasfilm, Ltd. for THX® installations
SPECIFICATIONS
| Rated Impedance | ۸ ohms | |
| Minimum Impedance | ۷٫۲ ohms | |
| Power Handling Capability | – | |
| Continuous Pink Noise | ۸۰۰ watts | |
| Continuous Program | ۱۶۰۰ watts | |
| Peak Power | ۳۲۰۰ watts | |
| Output Capability | – | |
| Axial Sensitivity | ۵۰ Hz to 500 Hz; 99 dB, 1W @ 1m 40 Hz to 100 Hz; 97 dB, 1W @ 1m |
|
| Power Compression | – | |
| At -10 dB power (80 W) | ۰٫۶ dB | |
| At -3 dB power (400 W) | ۲٫۰ dB | |
| At rated power (800 W) | ۳٫۳ dB | |
| Net Weight | ۶۳ kg (138 lbs.) | |
| Dimensions H x W x D | ۱۰۱۰ mm x 674 mm x 450 mm 39¾ in x 26½ in x 17¾ in |
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