Nominal Basket Diameter  10", 254mm
Impedance  8 ohms 
Power Rating 150Wrms
Resonance 50Hz
Usable Frequency Range 45Hz - 5kHz
Sensitivity click here for guide
Magnet Weight 20oz.
Gap Height  0.25", 6.35mm
Voice Coil Diameter    1.5", 38.1mm

Mounting Information 
Recommended Enclosure Volume  42 - 71 liters
     (vented)  1.5 - 2.5 cu. ft.
Overall Diameter     10.11", 256.8mm
Baffle Hole Diameter   9.13", 231.8mm
Front Sealing Gasket fitted as standard
Rear Sealing Gasket  fitted as standard
Mounting Holes Diameter  0.225", 5.7mm
Mounting Holes B.C.D.  9.6", 243.8mm
Depth 3.90", 99mm
Shipping Weight         5.8lbs., 2.6 kg.

Thiele-Small Parameters
Resonant Frequency (fs) 50Hz
Impedance (Re)    5.31 ohms
Coil Inductance (Le) 0.66mH
Electromagnetic Q (Qes) 0.66
Mechanical Q (Qms) 5.21
Total Q (Qts) 0.59
Compliance Equivalent Volume (Vas) 82.2 liters
2.9 cu. ft.
Peak Diaphragm Displacement Volume (Vd) 113cc
Mechanical Compliance of Suspension (Cms) 0.46mm/N
BL Product (BL) 7.5 T-M
Diaphragm Mass inc. Airload (Mms) 22 grams
Equiv. Resistance of Mechanical 
          Suspension Loss (Rms) 1.33N*sec/M
Efficiency Bandwidth Product (EBP) 75
Voice Coil Overhang (Xmax) 3.2mm
Surface Area of Cone (Sd) 355.4cm2
Impedance at Resonance (Zmax) 47 ohms
Maximum Mechanical Limit (Xmech) 18.29mm