Nominal Basket Diameter  10", 254mm
Impedance 8 ohms
Power Rating 500Wrms
Resonance 46Hz
Usable Frequency Range 45Hz - 3kHz
Sensitivity click here for guide
Magnet Weight 80oz.
Gap Height  0.375", 9.52mm
Voice Coil Diameter    3.0", 76.2mm

Mounting Information 
Recommended Enclosure Volume  5.6 - 8.5 liters
     (vented)  0.2 - 0.3 cu. ft.
Overall Diameter     10.25", 260.4mm
Baffle Hole Diameter   9.13", 231.8mm
Front Sealing Gasket fitted as standard
Rear Sealing Gasket  fitted as standard
Mounting Holes Diameter  0.275", 7mm
Mounting Holes B.C.D.  9.63", 244.5mm
Depth 4.33", 110mm
Shipping Weight         16.8lbs., 7.6 kg.

Thiele-Small Parameters
Resonant Frequency (fs) 46Hz
Impedance (Re)    6.50 ohms
Coil Inductance (Le) 1.15mH
Electromagnetic Q (Qes) 0.2
Mechanical Q (Qms) 10.1
Total Q (Qts) 0.2
Compliance Equivalent Volume (Vas) 52.2 liters
1.84 cu. ft.
Peak Diaphragm Displacement Volume (Vd) 110cc
Mechanical Compliance of Suspension (Cms) 0.31mm/N
BL Product (BL) 18.8 T-M
Diaphragm Mass inc. Airload (Mms) 38 grams
Equiv. Resistance of Mechanical 
          Suspension Loss (Rms) 1.10N*sec/M
Efficiency Bandwidth Product (EBP) 225
Voice Coil Overhang (Xmax) 3.2mm
Surface Area of Cone (Sd) 344.9cm2
Impedance at Resonance (Zmax) 280 ohms
Maximum Mechanical Limit (Xmech) 21.84mm