18in Bss Reflex Theatre Subwoofer

4181

TO ORDER ONLY / Please contact JPRO to place order

This product is sold through specialist dealers only.
For more info please call 09 275 8710 or email hello@jpro.co.nz

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5 year warranty

  • Overview

Overview

Single 460 mm (18") Cinema Subwoofer System

The JBL Model 4181 is a high quality subwoofer system, featuring a 460 mm (18 in), low frequency transducer mounted in a direct radiator, bass-reflex enclosure for smooth response to the lowest audible frequencies. The 4181 is ideal for low-frequency augmentation of digital soundtracks in motion picture theaters and for general sound reinforcement applications.


FEATURES:
500 Watts continuous pink noise, 1000 Watts continuous program power handling
Usable response to 28 Hz (-10 dB, no EQ), flat to 34Hz (-3 dB) with External EQ
Dual coils in parallel, vented cooling driver
High Sensitivity
Low Power Compression
High Maximum SPL Capability
Low 2nd and 3rd Harmonic Distortion
Long Excursion Capability

SPECIFICATIONS:
Rated Impedance 8 Os
Minimum Impedance 5.6 Os
Continuous Pink Noise 500 Watts
Continuous Program 1000 Watts
Peak Power 2000 Watts
Axial Sensitivity 50 Hz to 500 Hz; 101 dB, 1W @ 1m
40 Hz to 100 Hz; 99 dB, 1W @ 1m
Half-Space Reference: Efficiency Single Module: 5%
Two Modules: 10%
Three Modules: 15%
Four Modules: 20%
Max. Continuous Acoustical Power Output Single Module: 25W
Two Modules: 100W
Three Modules: 225W
Four Modules: 400W
Maximum Continuous SPL @ 1 meter Single Module: 126 dB
Two Modules: 132 dB
Three Modules: 136 dB
Four Modules: 138 dB
Maximum Peak SPL @ 1 meter Single Module: 132 dB
Two Modules: 138 dB
Three Modules: 142 dB
Four Modules: 144 dB
Frequency Response: Lower Frequency Limits (no EQ):
-10 dB: 28 Hz
-3 dB: 40 Hz
Lower Frequency Limits (with EQ):
-10 dB: 26 Hz
-3 dB: 34 Hz
Recommended Crossover Frequencies: High-pass: 20 Hz, 24 dB/octave or greater
Low-pass: 80 Hz to 150 Hz, 12 dB/octave or greater