Model name: 18" Aluminium subwoofer
Nominal Chassis Diameter 18"
Impedance 8/4 Ω
Power Handling 1000 (A.E.S.)
Frequency Range 34 Hz - 1 kHz
Sensitivity (1m /w ) 96.5dB
Magnet Weight 126 oz
Magnetic Gap Depth 0.4" / 10 mm
Coil Winding Height 1.2" / 30 mm
Voice Coil Diameter 4.0" / 100 mm
Former Material Fibreglass
Voice Coil Copper
number of layers 2 layers
Magnet Material Ferrite
surround material polycotton
Cone material pulp
FS (Hz) 34
Re (ohm) 3.8
Qms 7.967
Qes 0.439
Qts 0.416
Vas (Ltr) 339
Cms (mm/N) 120
BL (T/M) 20.1
Mms (grms) 183
Xmax (mm) 10
Sd (cm2) 123
Effi ciency (%) 2.3
Overall Diameter 18.7" / 475 mm
Depth 7.9" / 200 mm
Weight 12.5 kg
Packing Carton Dimensions 505 x 405 x 240 mm