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PA-18100220C
Time:2008-11-09 00:28:12        Click:4730
More Infomation

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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