• Nominal Diameter 12", 300 mm
• Overall Diameter 12.44", 316 mm
• Bolt Circle Diameter 17.32", 440 mm
• Baffle Cutout Diameter 11.10", 282 mm
• Depth 5.59", 142 mm
• Flange and Gasket Thickness 0.47", 12 mm

• Minimum Impedance 7 Ohm
• Nominal Impedance 8 Ohm
• Nominal Power Handling*** 700 W
• Maximum Power Handling**** 1400 W
• Sensitivity (1W/1m) 96 dB
• Frequency Range 45 - 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) 45 Hz
• DC Resistance (Re) 5.4 Ohm
• BL Product (BL) 22 N/A
• Diaphragm Mass inc. Airload (Mms) 98 grams
• Mechanical Compliance of Suspension (Cms) 0.13 mm/N
• Rms 2.85 Kg/s
• Electromagnetic Q (Qes) 0.31
• Mechanical Q (Qms) 9.4
• Total Q (Qts) 0.3
• Compliance Equivalent Volume (Vas) 1.84 ft³, 52.15 dm³
• Surface Area of Cone (Sd) 80.6"², 520 cm²
• Maximum Linear Excursion (Xmax)* 9.75 mm
• Xdamage** 21.9 mm
• Coil Inductance (Le) 1.68 mH
• Diaphragm mass (Mmd) 91.3 g
• Eta Zero 1.33 %

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