Nominal Basket Diameter 18"  460mm
Nominal Impedance 8 ohm
Nominal Power Handling(AES) 800W
Continuous Power Handling 1600W
Resonance 32HZ
Usable Frequency Range 32HZ-1KHZ
Sensitivity 97 dB
Magnet Weight 126 oz
Voice coil (TIL) 4" 99.2mm
THIELE&SMALL PARAMETERS 
Resonant Frequency fs 32HZ
DC Resistance Re 5.1 ohm
Mechanical Q Qms 6.81
Electromagnetic Q Qes 0.39
Total Q Qts 0.38
Compliance Equivalent Volume VAS 234.88 Ltr
Mechanical Compliance of Suspension (Cms)  101.49uM/N
BL Product  BL 23T-M
Diaphragm Mass Lnc.Airload Mms 198 grams
MOUNTING INFORMATION 
Overall Diameter 458mm
Baffle Hole Diameter 420mm
Mounting Holes Diameter 7mm
Mounting Holes P.C.D 438mm
Depth 210mm
Net Weight 12.9kg
Shipping Weight 14.9kg
Packing Size: 490x485x495mm (2PCS)

20”/470pcs  40”/980pcs  40”H/1150pcs