Power Rating : 1300W RMS/2600W Programme

Nominal Diameter : 457mm (18”)

Nominal Impedance : 4Ω

Sensitivity (1W/1m) : 97Db

Magnet Weight : 5.65kg

Resonant Frequency (Fs) : 37Hz

DC resistance (Re) : 3.6Ω

Electromagnetic Q (Qes) : 0.27

Mechanical Q (Qms) : 4.33

Total Q  (Qts)  : 0.25

Compliance Equivalent Volume (VAS) : 186 Litr

Surface Area of Cone (Sd) : 1257cm2

Reference Efficiency (ηo) : 3.5%

Voice Coil : 5.0”

Overhang (Xmax) : 8.0 mm

Moving Mass (Mms) : 212gm

BL Product (BL) : 25.8TM

Coil Inductance (Le) : 1.3mH

Overall Diameter : 475 ×455 mm

Depth : 202 mm

Baffle Hole Diameter : 422 mm

Bolt Mount Diameter (PCD) : 443 mm (8 Bolts)

Weight : 18.80kg