Nominal Basket Diameter 15" 380mm
Nominal Impedance 8 ohm
Nominal Power Handing (AES) 600W
Continuous Power Handing 1200W
Resonance 45HZ
Usable Frequency Range 45HZ-2KHZ
Sensitivity 96 dB
Magnet Weight 112 oz
Voice coil (TIL) 4.5" 114mm
THIELE&SMALL PARAMETERS 
Resonant Frequency fs 45HZ
DC Resistance Re 5.1 ohm
Mechanical Q Qms 9.51
Electromagnetic Q Qes 0.32
Total Q Qts 0.31
Compliance Equivalent Volume VAS 129.58 Ltr
Mechanical Compliance of Suspension (Cms) 0.13mm/N
BL Product BL 23  T-M
Diaphragm Mass Inc.Airload Mms 108 grams
MOUNTING INFORMATION 
Overall Diameter 389mm
Baffle Hole Diameter 351mm
Mounting Holes Diameter 7mm
Mounting Holes P.C.D 370mm
Depth 199mm
Net Weight 13.13kg
Shipping Weight 14.63 kg
Packing Size: 415x415x475mm (2PCS)
20”/680pcs  40”/1420pcs  40”H/1660pcs