CELESTION FTR18-4080F Ferrite Series Professional Loudspeaker

> 18" ferrite woofer provides 600Wrms power handling (AES Standard) and 97dB sensitivity
> 4" high temperature Inside/Outside voice coil efficiently dissipates heat,
preventing sensitivity loss through thermal compression
> FlexirolTM surround for greater excursion control
> Low frequency response, down to 30Hz
> Smart chassis design minimises acoustic distortion
> Specially treated weather-resistant cone
General Specifications
Nominal diameter . . . . . . . . . . . . . . . . . . . . . .457mm/18in
Power rating (AES standard). . . . . . . . . . . . . . . . 600Wrms
Nominal impedance. . . . . . . . . .. . . . . . . . . . . . . 8Ω
Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . 97dB
Frequency range . . .. . . . . . . . . . . . . . . . . . . . 30-3000Hz
Voice coil diameter . . . . . . . . . . . . . . . . . . . . . 100mm/4in
Chassis type . . . . . . . . . . . . . . . . . . . . . . . . Cast Aluminium
Magnet type . . . . . . . . . . . . . . . . . . . . . . . . . Ferrite
Magnet weight . . . . . . . . . . . . . . . . . . . . . . . . 3.1kg/110oz
Coil material . . . . . . . . . . . . . . . . . . . . . . . . Round copper
Former material . . . . . . . . . . . . . . . . . . . . . . . Glass fibre
Cone material . . . . Glass loaded paper with weather resistant impregnation
Surround material . . . . . . . . . . . . . . . . . . . . . . Cloth-sealed
Suspension . . . . . . . . . . . . . . . . . . . . . .. . . . Single
Xmax . . . . . . . . . . . . . . . . . . . . . . . . . . . .6mm/0.24in