Spesifikasi Celestion CF1840JD 18 Inch Loudspeaker Driver
Celestion CF1840JD 18 Inch Loudspeaker Driver
This cast aluminium, ferrite magnet woofer features a 4" (100mm) diameter voice coil. It delivers 1000Wrms (AES Standard) power handling and 98dB sensitivity and is optimised for use in bass reflex cabinets. 18" ferrite magnet, cast aluminium chassis LF driver delivering 1200Wrms (AES Standard) power handling and 98dB sensitivity 4" high temperature, dual layer, Inside/Outside voice coil for higher efficiency, preventing sensitivity loss through thermal compression FEA optimized magnet assembly and suspension deliver highly symmetrical cone movement, leading to exceptionally low harmonic distortion Vented magnet assembly increases airflow to provide enhanced cooling Twin demodulation rings reduce flux modulation, minimizing electromagnetic distortion Double suspension and "multi-roll" surround provide exceptional linearity at extremes of cone excursion
Specs
- Shape........................................................................Cylindrical
- Product type.........................................................Cone driver
- Brand...................................................................Celestion
- Frequency coverage type......................................Sub, Low
- Dimensional category...........................................18 inch
- Front chape..........................................................Cylindrical
- Magnet type..........................................................Ferrite
- Nominal impedance...............................................8 ohm
- Nominal power handling........................................1200 W
- Max power handling..............................................2400 W
- Sensitivity.............................................................98 dB
- Frequency response.............................................30-2500 Hz
- Voice coil diameter................................................4 inch
- External diametre.................................................460 mm
- Mounting diametre................................................412.6 mm
- Depth after front...................................................220.35 mm
- Weight................................................................13.6 kg
- Fs......................................................................44.2 Hz
- Re.....................................................................5.29 ohm
- Qes...................................................................0.496
- Qms..................................................................4.21
- Qts....................................................................0.444
- Vas....................................................................113.924 L
- Xmax.................................................................10 mm
- Mms...................................................................215.15 gr
- Le......................................................................0.96 mH
- EBP...................................................................89
- Shipping weight..................................................13.6 kg