Nominal Basket Diameter 15" 380mm
Nominal Impedance 8 ohm
Nominal Power Handing (AES) 700W
Continuous Power Handing 1400W
Resonance 45HZ
Usable Frequency Range 45HZ-1.5KHZ
Sensitivity 99 dB
Magnet Weight 126 oz
Voice coil (TIL) 4" 99.2mm
THIELE&SMALL PARAMETERS 
Resonant Frequency fs 45HZ
DC Resistance Re 6.1 ohm
Mechanical Q Qms 10.4
Electromagnetic Q Qes 0.32
Total Q Qts 0.31
Compliance Equivalent Volume VAS 127.9 Ltr
Mechanical Compliance of Suspension (Cms) 0.12mm/N
BL Product BL 23.1  T-M
Diaphragm Mass Inc.Airload Mms 101 grams
MOUNTING INFORMATION 
Overall Diameter 388mm
Baffle Hole Diameter 352mm
Mounting Holes Diameter 6.5mm
Mounting Holes P.C.D 371mm
Depth 166mm
Net Weight 11 kg
Shipping Weight 12.5 kg