Nominal Basket Diameter 12" 320mm
Nominal Impedance 8 ohm
Nominal Power Handing (AES) 1000W
Continuous Power Handing 2000W
Resonance 45HZ
Usable Frequency Range 45HZ-1.5KHZ
Sensitivity 95 dB
Magnet Weight 126 oz
Voice coil (TIL) 4"  99.2mm
THIELE&SMALL PARAMETERS 
Resonant Frequency fs 45HZ
DC Resistance Re 5.1 ohm
Mechanical Q Qms 7.3
Electromagnetic Q Qes 0.34
Total Q Qts 0.32
Compliance Equivalent Volume VAS 39.2 Ltr
Mechanical Compliance of Suspension (Cms) 0.15mm/N
BL Product BL 22.2  T-M
Diaphragm Mass Inc.Airload Mms 115 grams
MOUNTING INFORMATION 
Overall Diameter 319mm
Baffle Hole Diameter 281mm
Mounting Holes Diameter 7mm
Mounting Holes P.C.D 300mm
Depth 135mm
Net Weight 11.35 kg
Shipping Weight 12.35 kg
Packing Size: 345x345x345mm (2PCS)
20”/1360pcs  40”/2820pcs  40”H/3310pcs