Nominal Basket Diameter 18" 460mm
Nominal Impedance 8 ohm
Nominal Power Handling (AES) 800W
Continuous Power Handling 1600W
Resonance 36HZ
Usable Frequency Range 36HZ-2KHZ
Sensitivity 97 dB
Magnet Weight 110 oz
Voice coil (TIL) 4"  99.2mm
THIELE&SMALL PARAMETERS 
Resonant Frequency fs 36HZ
DC Resistance Re 4.8 ohm
Mechanical Q Qms 12.81
Electromagnetic Q Qes 0.45
Total Q Qts 0.43
Compliance Equivalent Volume VAS 258.88 Ltr
Mechanical Compliance of Suspension (Cms) 121.49um/N
BL Product BL 20  T-M
Diaphragm Mass Inc.Airload Mms 160 grams
MOUNTING INFORMATION 
Overall Diameter 471mm
Baffle Hole Diameter 431mm
Mounting Holes Diameter 7mm
Mounting Holes P.C.D 448mm
Depth 196mm
Net Weight 12 kg
Shipping Weight 13.5 kg

Packing Size: 495x495x475mm (2PCS)

20”/480pcs  40”/1000pcs  40”H/1170pcs