SPCEIFICATINONS Nomin diameter : 457mm. 18in Nomin al impe dance: 8 ohm Power rating: 400W RMS Sensitivity (1w/1m) : 98dB±3dB Frequency range: 40-2KHz Voice Coil diameter : φ99.3mm Voice coil length: 24mm Air gap height: 10mm magnet dimension : φ220mm*25mm
THIELE & SMALL PARAMETERS Resonace frequency,FS: 40Hz D.C.Resistan ce,Re: 6 ohm Mechanical quality factor,Qms: 2.52 Electrical quality factor,Qes: 0.53 Total quality factor,Qts: 0.44 Equivalent air volme to Cms,Vas: 192L Mechanical compliance,Cms: 0.08mm/N Bl factor,Bl: 23.96N/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: Aluminium Magnet: Ferrite
MOUNTING INFORMATION Overall diameter: φ461mm Bolt circle diameter: φ448mm Baffle cutout diameter:φ413mm Depth: 182mm Net weight: 16kg
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