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