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SPECIFICATIONS
Nominal Diameter 460 mm / 18"
Voice Coil Diameter 127 mm / 5.0"
Nominal Impedance 8
Available In 4 / 8 / 16
Power Rating 800 w (A.E.S.)
Peak Power (6dB Crest Factor) 3200 w (A.E.S.)
Sensitivity (1w / 1m) 98 dB
Frequency Range 35 Hz - 2 kHz
Recommended Enclosure Volume 90 - 220 Litres
Resonance 33.15 Hz
Voice Coil Winding Depth 28 mm / 1.1"
Magnet Gap Depth 12 mm / 0.47"
Flux Density Tesla 1.18 Tesla
Magnet Material Ceramic
Voice Coil Material Copper
Former Material Glass Fibre
Dust Dome Material Paper
Suspension Material Fabric
Cone Surround Material Paper / Fabric
THIELE SMALL PARAMETERS
Fs 33.15 Hz
Re 5.22
Qms 15.42
Qes 0.24
Qts 0.24
Le 1.33 mh
L2 2.45 mh
R2 5.3
Vas 203.84 litres
Mms 215.24 g
Sd 1164.16 cm2
Cms 107 m/N
BL 30.99 T/m
Xmax 11.05 mm
Vd 1.28 litres
Ref. Efficiency 2.88%
MOUNTING AND SHIPPING INFORMATION
Overall Diameter 474 mm
Width Across Flats 459 mm
Flange Height 14.5 mm
Depth (Excl. Flange) 175 mm
Magnet Diameter 280 mm
Chassis Shoulder Diameter 414.5 mm
Outer Bolt Circle 6 * M8 on 455mm PCD
Inner Bolt Circle N/A
Nett Weight 22.8 Kg / 50.26 lb.
Shipping Weight 26.6 Kg / 58.64 lb.
