Nominal Diameter      460mm(18in)
Bolt Circle Diameter      442mm
Baffle Cutout Diameter       424mm
Depth      206mm 
Flange and Gasket Thickness      18mm
Net Weight      13kg


Resonance frequency (Fs)      33Hz
DC resistance (Re)     4.8 Ohm
Electrical factor (Qes)      0.3
Mechanical factor (Qms)     7.6
Total factor (Qts)      0.29
Equivalent Cas air load (Vas)      0.268m³
Effettive piston area (Sd)      1220cm²
Max.linear excursion (Xmax)      8.5mm
Mms     182g
BL Factor (BL)      24.6N/A
Voice-coil inductance (Le)     2.4mH
Cms     0.6mm/N
Eta Zero     3.09%


Nominal Impedance     8 Ohm
Minimum Impedance     5.9 Ohm
AES Power Handling (1)     900W
Maximum Power Handling (2)     1800W
Sensitivity (1W/1m)     98dB
Frequency Range     30-1000Hz
Voice Coil Diameter      100mm(4in)