SPCEIFICATINONS Nomin diameter : 457mm. 18in Nomin al impe dance: 8 ohm Power rating: 500W RMS Sensitivity (1w/1m) : 103dB±3dB Frequency range: 36-2KHz Voice Coil diameter : φ99.3mm Voice coil length: 25mm Air gap height: 12mm
THIELE & SMALL PARAMETERS Resonace frequency,FS: 36Hz D.C.Resistan ce,Re: 6.2 ohm Mechanical quality factor,Qms: 2.84 Electrical quality factor,Qes: 0.30 Total quality factor,Qts: 0.27 Equivalent air volme to Cms,Vas: 225L Mechanical compliance,Cms: 0.18mm/N Bl factor,Bl: 28.1N/A Effective surface area,Sd: 0.132㎡
MATERIALS Basket: Aluminium Cone and dust can : Paper Surround: Treated cloth Voice coil wire: Copper Voice coil bobbin: Glass Fibre Magnet: NdFeB
MOUNTING INFORMATION Overall diameter: φ460mm Bolt circle diameter: φ448mm Baffle cutout diameter:φ420mm Depth: 210mm Net weight: 8kg
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