Ruizheng Speakers primary line consists of high frequency drivers
and coaxial components, and cone drivers. We have made a strong
commitment to provide a well-balanced line of Low Frequency drivers
that range from 6.5" to 24", as well as a very complete line of
High Frequency drivers. Our engineers have optimized
each design with CLIO software to ensure each design operates to
its fullest potential time and time again. From nightclubs, to
stadiums, to concert halls around the world, our products are
chosen based on their reliability, consistency and most of all for
their outstanding sound
quality. https://ruizhengsound.en.made-in-china.com/product/eBfxLmHGIdpa/China-21inch-Audio-Neodymium-Deep-PRO-Big-Powered-DJ-Subwoofer-Speaker.htmlMODEL
S18WF15208 Specifications Thiele
Small ParametersTYPE Subwoofer Fs36 Hz Nominal
Diameter460 mm/18 in Re5.7 ohmRated impedance8
ohm Qms7.9Nominal (AES)2000 W Qes0.30 Continuous
Program4000
W Qts0.29 Sensitivity(1w/1m)96dB Vas134LFrequency
Range36Hz-1200Hz Sd0.125 m2Voice Coil Diameter152 mm/6
in Mms313.3gVoice Coil MaterialCopper out/in BL37.2
T.M Mounting
lnformation Shipping lnformationOverall
Diameterφ464 mm/φ18.3 in Net
Weight ( 1
unit)31.2 kgBolt Circle Diameterφ445 mm/φ17.5 in Shipping
Weight ( 1 unit)36 kgMount Baffle Cut-outφ422 mm/φ16.6
in Package Size ( 1
unit)53x53x29cmDepth215 mm/8.5 in Bolt Hole
Diameter8-φ7mm/8-φ0.28in Founded in 2011, ruizheng
audio is designing and distributing amplifier, speakers, supplying
OEM/ODM components to many of the professional audio brands in the
market today./* March 10, 2023 17:59:20 */!function(){function
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