Power Rating : 1300W RMS/2600W Programme

Nominal Diameter : 457mm (18”)

Nominal Impedance : 4Ω

Sensitivity (1W/1m) : 97 dB

Magnet Weight : 5.65kg

Resonant Frequency (Fs) : 35Hz

DC resistance(Re) : 5.6Ω

Electromagnetic Q (Qes) : 0.27

Mechanical Q     (Qms) : 12.9

Total Q  (Qts) : 0.26

Compliance Equivalent Volume (VAS) : 209 Litr

Surface Area of Cone (Sd) : 1257cm2

Reference Efficiency (ηo) : 2.95%

Voice Coil : 5.0"

Overhang (Xmax) : 8.0mm

Moving Mass (Mms) : 229gm

BL Product (BL) : 32.0TM

Coil Inductance (Le) : 1.73mH

Overall Diameter : 475 × 455 mm

Depth : 202 mm

Baffle Hole Diameter : 422mm

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

Weight : 18.80kg