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BS Series | BS221  | BS318  | BS218  | BS215  | BS212  | BS112  | BS280 |
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BS318
Description:
BS318 is a cardioid design subwoofer loading 3 x18 " radial magnet circuit neodymium low frequency drive unit. It has 2 kinds of enclosure structure, 2 drive units of front panel install in the 3-cavity bandpass structure that running by one amplifier channel(4ohm), and the other 18" LF unit is run by the other channel(8ohm). Because of its cardioid polar pattern, the system can reduce unnecessary low-frequency on the back side, and greatly reduced the area of low-frequency reverberation and effectively restore the low-frequency signal, adjust the maximum attenuation area to the left and right sides of rear of the cabinet.When useing to supplement other series sound system, the low-frequency response can extend to as low as 36 Hz, it can only stack on the ground as normal subwoofer array. BS318 uses multilayer birch plywood to make the enclosure, with elastic coating or environmental protection coating shell. The front panel use metal mesh enclosure stick acoustic soft sponge as the speaker's protection.Side plate combine 8 handles and wheel plate buckles,also dispose with 16 pulley mounting screw in rear panel. Terminal is disposed with NL4 parallel connection. When more than one BS318 stacked together, there are 4 rubber pads at the bottom of each speaker could be embedded to the groove of others, inorder to aviod sliding.
Characteristic:
■ 2 x21 "subwoofer system
■ three-cavity bandpass technology
■ High Frequency radial magnetic circuit driver
■ Cardioid design, efficiently controls LF radiate
■ enormous power, excellent transient response
■ extremely low distortion, ensuring ultra low frequency clarity
■ optional wheel plate transportation
■ stackable
Applications:
■ Large stadiums, arenas, all kinds of performances
■ Entertainment venues, nightclubs, bars
■ Theme park and concert hall
■ Mobile or fixed installation
■ As subwoofer of other audio system
Specifications:
System
Frequency Response
Sensitivity
Nominal Impedance(before)
Nominal Impedance(behind)
Power Handing(before)
Power Handing(behind)
Maximum SPL
Crossover Frequency
34 Hz - 95 Hz @(±3 dB)
106 dB SPL (1W @ 1m)
4 ohms
8 ohms
3200 watts,6400 watts,12800 watts
1600 watts,3200 watts,6400 watts
139 dB (Spl Max with music program)
100 Hz
Drivers
Low Frequency(neodymium magnet)
3 x 18(in) 530 mm dia, 2x100mm(4in) voice coil dia
Physical
Enclosure Construction
Finish
Input Connectors
Dimensions H x W x D
Net Weight
18 mm birch plywood with structured
Wear-resistant textured black paint
NL4 x 4
600 mm x 1200 mm x 996 mm
103kg
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