• Nominal Diameter 15", 380 mm
• Overall Diameter 15.47", 393 mm
• Bolt Circle Diameter 14.72", 374 mm
• Baffle Cutout Diameter 13.94", 354 mm
• Depth 7.20", 183 mm
• Flange and Gasket Thickness 0.52", 13.3 mm

• Minimum Impedance 6.9 Ohm
• Nominal Impedance 8 Ohm
• Nominal Power Handling*** 700 W
• Maximum Power Handling**** 1,400 W
• Sensitivity (1W/1m) 96 dB
• Frequency Range 40 - 3150 Hz
• Voice Coil Diameter 4", 100 mm
• Winding Material Copper
• Former Material Glass Fiber
• Winding Depth 0.9", 23 mm
• Magnetic Gap Depth 0.41", 10.5 mm
• Flux Density 1.05 T

• Resonant Frequency (fs) 40 Hz
• DC Resistance (Re) 5.4 Ohm
• BL Product (BL) 21.7 N/A
• Diaphragm Mass inc. Airload (Mms) 131.7 grams
• Mechanical Compliance of Suspension (Cms) 0.12 mm/N
• Rms 2.45 Kg/s
• Electromagnetic Q (Qes) 0.4
• Mechanical Q (Qms) 13.7
• Total Q (Qts) 0.4
• Compliance Equivalent Volume (Vas) 3.31 ft³, 93.65 dm³
• Surface Area of Cone (Sd) 117.2"², 756.2 cm²
• Maximum Linear Excursion (Xmax)* 9.75 mm
• Xdamage** 21.9 mm
• Coil Inductance (Le) 1.7 mH
• Diaphragm mass (Mmd) 131.7 g
• Eta Zero 1.5 %

Notes

• *Xmax = [(winding depth - magnetic gap depth) / 2] + (magnetic gap depth / 3)
• **Maximum excursion before permanent damage
• ***2 Hours Test According to AES 2-1984 Rev. 2003
• ****Maximum power is defined as 3dB greater than nominal power