Nominal Basket Diameter 18"  460mm
Nominal Impedance 8 ohm
Nominal Power Handling(AES) 1200W
Continuous Power Handling 2400W
Resonance 32HZ
Usable Frequency Range 32HZ-1KHZ
Sensitivity 96 dB
Magnet Weight 126 oz
Voice coil (TIL) 4" 99.2mm
THIELE&SMALL PARAMETERS 
Resonant Frequency fs 32HZ
DC Resistance Re 5.4 ohm
Mechanical Q Qms 12.51
Electromagnetic Q Qes 0.34
Total Q Qts 0.33
Compliance Equivalent Volume VAS 204.88 Ltr
Mechanical Compliance of Suspension (Cms)  941.49uM/N
BL Product BL 28.6T-M
Diaphragm Mass Lnc.Airload Mms 250 grams
MOUNTING INFORMATION 
Overall Diameter 470mm
Baffle Hole Diameter 430mm
Mounting Holes Diameter 7mm
Mounting Holes P.C.D 445mm
Depth 21mm
Net Weight 12.9kg
Shipping Weight 14.6kg
Packing Size: 500x495x495mm (2PCS)

20”/450pcs  40”/940pcs  40”H/1110pcs