18" ferrite magnet, cast aluminium chassis LF driver delivering 700Wrms (AES Standard) power handling and 94dB sensitivity
3" high temperature, multi- layer voice coil for greater motor force
FEA optimized magnet assembly delivers highly symmetrical cone - movement, leading to exceptionally low harmonic distortion
Balanced Airflow Venting (BAV) on the front-plate increases airflow to provide enhanced cooling
Dual Magnet Motor (DMM) incorporates a secondary magnet used to increase overal motor force (Bl) without the need for any additional increase in magnet size
"Multi-roll" surround provides exceptional linearity at extremes of cone excursion
Nominal diameter 18in/457mm
Power rating 700Wrms
Nominal impedance 8?
Sensitivity 94dB
Frequency range 30-2500Hz
Voice coil diameter 3in/75mm
Chassis type Cast Aluminium
Magnet type Ferrite
Coil material Round Copper
Former material Glass Fibre
Cone material Glass-Reinforced Paper
Surround material Cloth-sealed
Suspension Single
Xmax 5mm/0.79in
Gap depth 8mm/0.31in
Voice coil winding width 18mm/0.71in