CF1840JD 1000W 8ohm LF Ferrite – Celestion

€ 179,00

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Descrizione

CF1840JD 1000W 8ohm LF Ferrite – Celestion
codice: PPEK15300058

Celestion – CF1840JD 1000W 8ohm – LF Die Cast Chassis Loudspeaker – Ferrite
Altoparlante da 18″ con chassis in fusione d’alluminio, 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.

    / pa loudspeakers
    EAN/UPC 739894586351