Specification :

SPECIFICATION
Nominal Basket Diameter 15 " , 381mm
Nominal Impedance* 8 ohms
Power Rating
Watts 600W
Music Program 1200W
Resonance 35Hz
Usable Frequency Range 38Hz-1.8kHz
Sensitivity* * * 97.8
Magnet Weight 120 oz.
Gap Height 0.375 " , 9.53mm
Voice Coil Diameter 3 " , 76.2mm

THIELE & SMALL PARAMETERS
Resonant Frequency ( fs) 35Hz
DC Resistance ( Re) 6.5
Coil Inductance ( Le) 1.40mH
Mechanical Q ( Qms) 7.3
Electromagnetic Q ( Qes) 0.32
Total Q ( Qts) .30
Compliance Equivalent Volume ( Vas) 198.8 liters / 7.0 cu.ft.
Peak Diaphragm Displacement Volume ( Vd) 507cc
Mechanical Compliance of Suspension ( Cms) 0.20mm/ N
BL Product ( BL) 21.6 T-M
Diaphram Mass inc. Airload ( Mms) 102 grams
Efficiency Bandwidth Product ( EBP) 112
Maximum Linear Excursion ( Xmax) 6.7mm
Surface Area of Cone ( Sd) 856.3cm2
Maximum Mechanical Limit ( Xlim) 18.0mm

MOUNTING INFORMATION
Recommended Enclosure
Sealed N/ A
Vented 76.5-164 liters/ 2.7-5.8 cu.ft.
Overall Diameter 15.21 " , 386.4mm
Baffle Hole Diameter 14.0 " , 355.5mm
Front Sealing Gasket Fitted as standard
Rear Sealing Gasket Fitted as standard
Mounting Holes Diameter 0.28 " , 7.1mm
Mounting Holes B.C. D. 14.56 " , 369.9mm
Depth 6.57 " , 167mm
Net Weight 22.3 lbs., 10.1 kg
Shipping Weight 24.8lbs., 11.3 kg

MATERIALS OF CONSTRUCTION
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented and extended core
Basket Materials Die-cast aluminum basket
Cone Composition Paper Cone
Cone Edge Composition Cloth cone edge
Dustcap Composition Solid composition paper dust cap