Power Rating  :  1000W RMS

Nominal Diameter : 457mm (18”)

Nominal Impedance : 8Ω

Sensitivity (1W/1m ) : 99 dB

Magnet Weight                : 5.65kg

Resonant Frequency (Fs) : 36Hz

DC Resistance (Re) : 5.6Ω

Electromagnetic Q (Qes) : 0.32

Mechanical Q (Qms) : 14.70

Total Q (Qts) : 0.31

Compliance Equivalent Volume (VAS) : 249 Litr

Surface Area of Cone (Sd) : 1257cm2

Reference Efficiency (ηo) : 3.6%

Voice Coil  : 5.0”

Overhang (Xmax) : 8.0 mm

Moving Mass (Mms) : 169gm

BL Product (BL) : 26.0TM

Coil Inductance (Le) : 1.91mH

Overall Diameter : 477 mm

Depth : 202 mm

Baffle Hole Diameter : 427 mm

Bolt Mount Diameter (PCD) : 451.5 mm (8 Bolts)

Weight : 19.20kg