Nominal Basket Diameter 15" 380mm
Nominal Impedance 8 ohm
Nominal Power Handing (AES) 350W
Continuous Power Handing 700W
Resonance 47HZ
Usable Frequency Range 47HZ-3KHZ
Sensitivity 98 dB
Magnet Weight 89oz
Voice coil (TIL) 3" 75.5mm
THIELE&SMALL PARAMETERS 
Resonant Frequency fs 47HZ
DC Resistance Re 5.4 ohm
Mechanical Q Qms 11.7
Electromagnetic Q Qes 0.47
Total Q Qts 0.45
Compliance Equivalent Volume VAS 146.11 Ltr
Mechanical Compliance of Suspension (Cms) 0.14mm/N
BL Product BL 16.3  T-M
Diaphragm Mass Inc.Airload Mms 76 grams
MOUNTING INFORMATION 
Overall Diameter 388mm
Baffle Hole Diameter 352mm
Mounting Holes Diameter 7mm
Mounting Holes P.C.D 371mm
Depth 173mm
Net Weight 8.4 kg
Shipping Weight 9.4 kg
Packing Size: 415x415x425mm (2PCS)
20”/760pcs  40”/1580pcs  40”H/1860pcs