Description
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 DC Resistance (Re) 
 
 5.22 
 
 
 Coil Inductance (Le) 
 
 1.05mH 
 
 
 Mechanical Q (Qms) 
 
 8.90 
 
 
 Electromagnetic Q (Qes) 
 
 0.33 
 
 
 Total Q (Qts) 
 
 0.32 
 
 
 Compliance Equivalent Volume (Vas) 
 
 321.3 liters / 11.35 cu.ft. 
 
 
 Peak Diaphragm Displacement Volume (Vd) 
 
 343cc 
 
 
 Mechanical Compliance of Suspension (Cms) 
 
 0.31mm/N 
 
 
 BL Product (BL) 
 
 15.7 T-M 
 
 
 Diaphram Mass inc. Airload (Mms) 
 
 76 grams 
 
 
 Efficiency Bandwidth Product (EBP) 
 
 98 
 
 
 Maximum Linear Excursion (Xmax) 
 
 4.0mm 
 
 
 Surface Area of Cone (Sd) 
 
 856.3 cm2 
 
 
 Maximum Mechanical Limit (Xlim) 
 
 11.6mm 
 
 
 
 
 
 
 
 
 
 MOUNTING INFORMATION 
 
 
 
 
 
 Recommended Enclosure 
 
 
 
 
 
 Sealed 
 
 N/A 
 
 
 Vented 
 
 45-113 liters/1.6-4 cu.ft. 
 
 
 Overall Diameter 
 
 15.16", 384.9mm 
 
 
 Baffle Hole Diameter 
 
 13.77", 349.6mm 
 
 
 Front Sealing Gasket 
 
 Fitted as standard 
 
 
 Rear Sealing Gasket 
 
 Fitted as standard 
 
 
 Mounting Holes Diameter 
 
 0.25", 6.4mm 
 
 
 Mounting Holes B.C. D. 
 
 14.56", 369.9mm 
 
 
 Depth 
 
 6.13", 156mm 
 
 
 Net Weight 
 
 17.6 lbs., 8 kg 
 
 
 Shipping Weight 
 
 19.8 lbs., 9 kg 
 
 
 
 
 
 
 
 
 
 MATERIALS OF CONSTRUCTION 
 
 
 
 
 
 Coil Construction 
 
 Copper voice coil 
 
 
 Coil Former 
 
 Polyimide former 
 
 
 Magnet Composition 
 
 Ferrite magnet 
 
 
 Core Details 
 
 Vented core 
 
 
 Basket Materials 
 
 Pressed steel basket 
 
 
 Cone Composition 
 
 Paper Cone 
 
 
 Cone Edge Composition 
 
 Cloth cone edge 
 
 
 Dustcap Composition 
 
 Solid composition paper dust cap 
 
 
 
 Speakersandamps  
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