SPECIFICATION

• Nominal Basket Diameter 15\\\", 381mm
• Nominal Impedance* 8 ohms
• Power Rating** Watts 600W / Music Program 1200W
• Resonance 39Hz
• Usable Frequency Range*** 38Hz-2.7kHz
• Sensitivity 99
• Magnet Weight 95 oz.
• Gap Height 0.375\\\", 9.53mm
• Voice Coil Diameter 3\\\", 76.2mm

THIELE & Small Parameters

• Resonant Frequency (fs) 39Hz
• DC Resistance (Re) 5.4
• Coil Inductance (Le) 1.27mH
• Mechanical Q (Qms) 6.08
• Electromagnetic Q (Qes) 0.41
• Total Q (Qts) 0.38
• Compliance Equivalent Volume (Vas) 159.0 liters / 5.6 cu. ft.
• Peak Diaphragm Displacement Volume (Vd) 471cc
• Mechanical Compliance of Suspension (Cms) 0.15mm/N
• BL Product (BL) 18.6 T-M
• Diaphragm Mass inc. Airload (Mms) 105 grams
• Efficiency Bandwidth Product (EBP) 95
• Maximum Linear Excursion (Xmax) 5.5mm
• Surface Area of Cone (Sd) 856.3 cm²
• Maximum Mechanical Limit (Xlim) 10.4mm

MOUNTING Information

• Recommended Enclosure Volume 
  Sealed N/A 
  Vented 62-193 liters/2.2-6.8 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 6.38\\\", 162mm
• Net Weight 20 lbs., 9.1 kg
• Shipping Weight 22.3 lbs., 10.1 kg

MATERIALS of Construction

• Copper voice coil
• Polyimide former
• Ferrite magnet
• Vented core
• Pressed steel basket
• Paper Cone
• Cloth cone edge
• Solid composition paper dust cap