Guangzhou Yuesheng Audio Equipment Co.,Ltd

China Manufacturer with main products: PA speaker, woofer, professional speaker, KTV speaker, tweeter, divider, stage speaker, loudspeaker

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PA Speaker (18AV-18)

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Specifications

Model No:18AV-18
1> GENERAL SPECIFICATIONS                
*Nominal Diameter:18 inch   
*Rated Impedance:  8 Ω               
*Power Handing Capacity:400 Watts    
*Sensitivity 1W,1M      :93.5 dB                   
*Effective Piston Diameter:391 mm    
*Voice Coil Diameter:99.5mm/4 inch
 
2> THIELE-SMALL PARAMETERS                    
*Resonance Frequency /Fs :33 Hz
*DC Resistance/Re:6 Ω
*Mechanical Q Factor/Qms: 1.8
*Electrical Q Factor/Qes: 0.41  
*Total Q Factor/Qts: 0.33  
*BL Factor/BL:30  TM
*Effective Moving Mass/Mms:   306  gr
*Equivalent Cas Air Load /Vas: 158 liters
*Effettive Piston Area /Sd  : 0.12 m2
*Half-Space Efficiency/ Eff  : 1.42 %
*Airgap Height/Hag     : 10 mm
*Voice coil Height       /Hvc:21.0 mm
*Voice coil Over-Hung /Xmax: 5.5 mm
 
3> PHYSICAL INFORMATION                    
*Basket:Aluminium                       
*Magnet Type,Size ODxIDxH(mm):220x110x25.4  Ferrite 125 OZ
Ferrite 125 OZ
*Voice Coil Former: BASV             
*Voice Coil Material:EISV        
*Cone Material:Pulp Paper             
*Surround:Treated Cloth        
*Spider:Cotton Blend Polyester           
*Dust Cap:Pulp Paper

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