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CASSA Celestion - FTR18-4080FD 1000W 8ohm - LF Die Cast Chassis Loudspeaker - Ferrite Altoparlante da 18" con chassis in fusione d'alluminio, magnete in ferrite, bobina da 4", potenza 1000Watt, impedenza 8ohm Caratteristiche - 18" ferrite woofer provides 1000Wrms 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 - Double suspension for exceptional linearity at the highest excursions - Low frequency response, down to 30Hz - Smart chassis design minimises acoustic distortion - Specially treated, weather-resistant cone Specifiche Generali Nominal diameter: 457mm/18in Power rating(1): 1000Wrms Continuous power rating(2): 2000W Nominal impedance: 8ohm Sensitivity(3): 97dB Frequency range: 30-2500Hz 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: Double Xmax(4): 6mm/0.24in Gap depth: 10mm/0.39in Voice coil winding width: 22mm/0.87in Parametri di Thiele-Small D: 0.38m/14.96in Fs: 26Hz Mms: 172.42g/6.08oz Qms: 4.33 Qes: 0.29 Mmd: 150.81g/5.32oz Qts: 0.27 Re: 5.39ohm Vas: 395.56lt/13.96ft3 BI: 22.88Tm Cms: 0.22mm/N Rms: 6.506kg/s Le (at 1kHz): 1.41mH Informazioni di Montaggio Overall diameter: 452mm/17.8in Overall depth: 205mm/8.07in Cut-out diameter: 416mm/16.38in Mounting slot dimensions: 10mm x 7mm/0.39in x 0.27in Number of mounting slots: 8 Mounting PCD range: 429-440mm/16.89-17.32in Unit weight: 9.8kg/21.6lb 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)Continuous Power Handling is defined as 3dB greater t
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