SPCEIFICATINONS Nomin diameter : 300mm. 12in Nomin al impe dance: 8 ohm Power rating: 250W RM S Sensitivity (1w/1m) : 97dB±3dB Frequency range: 53-4kHz Voice Coil diameter : φ65.5mm Voice coil length: 16mm Air gap height: 10mm magnet dimension : φ180mm*20mm
THIELE & SMALL PARAMETERS Resonace frequency,FS: 53Hz D.C.Resistan ce,Re: 5.8 ohm Mechanical quality factor,Qms: 3.71 Electrical quality factor,Qes: 0.29 Total quality factor,Qts: 0.27 Equivalent air volme to Cms,Vas: 63.5L Mechanical compliance,Cms: 0.161mm/N Bl factor,Bl: 19.6N/A Effective surface area,Sd: 0.054㎡
MATERIALS Basket: Aluminium Cone and dust can : Paper Surround: Treated cloth Voice coil wire: Copper Voice coil bobbin: Glass Fibre Magnet: Ferrite
MOUNTING INFORMATION Overall diameter: φ315mm Bolt circle diameter: φ300mm Baffle cutout diameter:φ295mm Depth: 135mm Net weight: 6kg
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