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BS Series | BS221  | BS318  | BS218  | BS215  | BS212  | BS112  | BS280 |
                  | BS250  | BS180  | BS150  | BS320  | BS210/BS286  | BS820  | 
BS218
Description:
BS218 is a subwoofer which uses 3 cavity bandpass design.loading 2 x18 "low frequency drive unit, each low frequency drive have independent cavity.Two paper cone work together in front of the third open cavity, which greatly improve the system efficiency,and effectively reduce the distortion.BS218 as other sound system of supplement, its low frequency response can be extend down to 35Hz,as ultra low frequency array, it only could be stacked on the ground routinely.BS218 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, and the switch botton for bi-amp or single-amp drive. When more than one BS218 stacked together, there are 4 rubber pads at the bottom of each speaker could be embedded to the groove of others, in order to aviod sliding.
Characteristic:
■ 2 x18 "subwoofer system
■ three-cavity bandpass technology
■ enormous power, excellent transient response
■ extremely low distortion, ensuring ultra low frequency clarity
■ optional bi-amp or single-amp drive
■ 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
Power Handing
Maximum SPL
Crossover Frequency
35 Hz - 85 Hz @(±3 dB)
105 dB SPL (1W @ 1m)
2 x 8 ohms /4 ohms
2400 watts, 4800 watts, 9600 watts
136 dB
85 Hz
Drivers
Low Frequency
2 x 18(in) 460 mm dia, 100 mm(4in) voice coil dia
Physical
Enclosure Construction
Finish
Other
Input Connectors
Dimensions H x W x D
Net Weight
18 mm birch plywood with structured
Wear-resistant textured black paint
Bi-amp or passive drive
NL4 x 2
526 mm x 1200 mm x 880 mm
89 kg
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