Nominal Basket Diameter 18" 460mm
Nominal Impedance 8 ohm
Nominal Power Handing (AES) 800W
Continuous Power Handing 1600W
Resonance 43HZ
Usable Frequency Range 43HZ-2.5KHZ
Sensitivity 96 dB
Magnet Weight 126 oz
Voice coil (TIL) 4" 99.2mm
THIELE&SMALL PARAMETERS 
Resonant Frequency fs 43HZ
DC Resistance Re 5.2 ohm
Mechanical Q Qms 9.8
Electromagnetic Q Qes 0.56
Total Q Qts 0.53
Compliance Equivalent Volume VAS 148.46 Ltr
Mechanical Compliance of Suspension (Cms) 0.07mm/N
BL Product BL 22.2  T-M
Diaphragm Mass Inc.Airload Mms 192 grams
MOUNTING INFORMATION 
Overall Diameter 460mm
Baffle Hole Diameter 421mm
Mounting Holes Diameter 7mm
Mounting Holes P.C.D 440mm
Depth 207mm
Net Weight 12.2kg
Shipping Weight 14.2 kg
Packing Size: 485x485x495mm (2PCS)
20”/480pcs  40”/1000pcs  40”H/1170pcs