12inch Copper Line Array Neodymium MID Bass Audio Professional Speaker

 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/GXcnBvRunZUS/China-15inch-86mm-Voice-Coil-Line-Array-Neodymium-MID-Bass-Speaker.html  MODEL  12WF8608N          Specifications Thiele Small ParametersTYPEMid-bass Fs59 Hz Nominal Diameter300 mm/12 in Re5.3ohmRated impedance8 ohm Qms7.6357 Nominal (AES)500 W Qes0.2810 Continuous Program1000 W Qts0.2700 Sensitivity(1w/1m)97.5 dB Vas45.4.LFrequency Range59Hz-3500Hz Sd0.055 m2Voice Coil Diameter88 mm/3.5 in Mms65.7 gVoice Coil MaterialCopper out/in BL21.6 T.M     Mounting lnformation Shipping   lnformationOverall Diameterφ317.5 mm/φ12.5in Net Weight         ( 1unit)5.1 kgBolt Circle Diameterφ299 mm/φ11.8 in Shipping Weight ( 1unit)6.3 kgMount Baffle Cut-outφ285mm/φ11.2 in Package Size      ( 1unit)34x34x18 cmDepth142 mm/5.6 in   Bolt Hole Diameter8-7mm/8-0.28 in   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 s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1