Celestion Cf1840jd 1000w 8ohm Lf Ferrite - WN 0739894586351

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celestion - cf1840jd 1000w 8ohm - lf die cast chassis loudspeaker - ferrite altoparlante da 18 con chassis in fusione dalluminio. magnete in ferrite. bobina da 4. potenza 1200watt. impedenza 8ohm

caratteristiche - 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

specifiche generali nominal diameter: 457mm/18in power rating(1): 1200wrms nominal impedance: 8ohm sensitivity(2): 98db frequency range: 30-2500hz voice coil diameter: 100mm/4in chassis type: cast aluminium magnet type: ferrite magnet weight: 3.18kg/112oz coil material: round copper former material: glass fibre cone material: kevlar loaded paper surround material: cloth-sealed suspension: double gap depth: 10mm/0.39in voice coil winding width: 30mm/1.18in xmax(3): 10mm/0.39in

parametri di thiele-small d: 0.38m/14.96in fs: 44.2hz mms: 215.15g/7.59oz qms: 4.21 qes: 0.496 mmd: 185.145g/6.54oz qts: 0.444 re: 5.29ohm vas: 113.924 bi: 24.758tm cms: 0.063mm/n rms: 13.653kg/s le (at 1khz): 0.96mh

informazioni di montaggio overall diameter: 460mm/18.11in overall depth: 220.35mm/8.68in cut-out diameter: 414mm/16.3in mounting slot dimensions: 11mm x 7mm/0.43-0.28in number of mounting slots: 8 mounting pcd range: 441-432mm/17.36-17.01in unit weight: 11.6kg/25.5lb

note (1)tested for two hours using a continuous. band-limited pink noise signal as per aes standard. power calculated on minimum impedance. loudspeaker tested in free air. (2)measured on axis at 1w. 1m in 2pi anechoic environment. (3)xmax derived from: (voice coil winding width-gap depth)/2.

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