JBL 4641 Single 460 mm (18 in) Subwoofer System. The JBL Model 4641 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 4641 is ideal for low-frequency augmentation of either analog or digital soundtracks in motion picture theaters and for general sound reinforcement applications.
- 600 Watts Continuous Pink Noise, 1200 Watts Continuous Program Power Handling
- Usable response to 25 Hz (-10 dB, no EQ), flat to 25 Hz (-3 dB) with External EQ
- 2241H VGCTM Vented Gap Cooled Driver (High Sensitivity, Low Power Compression, High Maximum-SPL Capability, Low 2nd and 3rd Harmonic, Distortion, Symmetrical Field Geometry SFGTM, Magnet Structure, Long Excursion Capability)
- Approved by Lucasfilm, Ltd. for THX® installations
Rated Impedance |
8 ohms |
Minimum Impedance |
6.3 ohms |
Continuous Pink Noise |
600 Watts |
Continuous Program |
1200 Watts |
Peak Power |
2400 Watts |
Axial Sensitivity |
50 Hz to 500 Hz; 98 dB, 1W @ 1m |
Power Compression At -10 dB power (60 W) |
0,8 db |
Power Compression At -3 dB power (300 W) |
2,6 db |
Power Compression At rated power (600 W |
4,3 db |
Half-Space Reference Efficiency |
Single module 2,9% |
Max. Continuous Acoustical Power Output |
Single module 17W |
Recommended Crossover Frequencies |
High-pass: 20 Hz, 24 dB/octave or greater |
Lower Frequency Limits (no EQ) |
-10 dB: 25 Hz |
Lower Frequency Limits (with EQ) |
-10 dB: 22 Hz |
Distortion |
2nd harmonic: <2% |
System Polarity |
EIA Standard. Positive voltage to RED terminal |
Input Connectors |
Color-coded push terminals |
Net Weigh |
60 kg (131 lbs.) |
Enclosure Tuning Frequency |
25 Hz |
Net Internal Volume |
225 liters (8 cu. ft) |
Dimensions (HxWxD) |
1010 mm x 674 mm x 450 mm |
8 800 100 54 66
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