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Guangzhou Yuesheng Audio Equipment Co.,Ltd
China Manufacturer with main products: PA speaker, woofer, professional speaker, KTV speaker, tweeter, divider, stage speaker, loudspeaker |
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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