18 Inch PA Audio Woofer B&C Rcf Style Lf Driver

18 Inch  PA Audio  Woofer B&C RCF Style LF DriverProduct main features:- 18 inch PA speaker- Ideal for subwoofer- 1200W RMS, 98dB- 4 inch voice coil, 220mm magnet  - Subwoofer is ideal for high quality professional bass reflex and bass horn systems  SpecificationNominal diameter  18mm/inch Rated impedance  8ohmNominal power (AES) 800WMaximum power                                 1600WSensitivity (1w/1m) 97.5dBFrequency response 42-2KHz Voice coil diameter  100/4mm/ inch Magnet Type Ferrite Magnet size 220mmT/S Parameter Fs42HzRe5.2ΩQes0.42 Qts 0.40 Qms7.82 Vas141.9LCms0.07mm/NMms 208.7grBL26.2N/ALe1.5mHMounting information Overall diameter 460mmBolt Circle diameter 439mmBaffle Cutout diameter 419mm Depth 188mm Net weight 12.4KG Shipping 500*500*250mmINTRODUCTIONHengda Audio is a professinal speaker manufacturer with experience in the PA speaker field for 10years. We make  different tranducers, compression drivers. We not only provide goods but technology. OEM and ODM are both welcome./* 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