CF18VJD 1600W 4ohm LF Ferrite

Caratteristiche

- 18" ferrite magnet, cast aluminium chassis LF driver delivering 1600Wrms (AES Standard) power handling and 97dB sensitivity

- 5" high temperature, dual layer, Inside/Outside voice coil for higher efficiency, preventing sensitivity loss through thermal compression

- FEA optimized magnet assembly delivers highly symmetrical cone - movement, leading to exceptionally low harmonic distortion

- Vented front plate 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: 460mm/18in

Power rating(1): 1600Wrms

Nominal impedance: 4ohm

Sensitivity(2): 97dB

Frequency range: 25Hz-1500Hz

Voice coil diameter: 125mm/5in

Chassis type: Cast aluminium

Magnet type: Ferrite

Coil material: Round copper

Former material: Glass fibre

Cone material: Carbon and Kevlar loaded paper

Surround material: Cloth sealed

Suspension: Double

Gap depth: 12mm/0.47in

Voice coil winding width: 30mm/1.18in

Xmax(3): 9mm/0.35in

Parametri di Thiele-Small

D: 0.38m/14.96in

Fs: 34.3Hz

Mms: 259.72g/9.16oz

Qms: 5.152

Qes: 0.360

Mmd: 238.11g/8.39oz

Qts: 0.336

Re: 5.98ohm

Vas: 150.58lt/5.32ft3

BI: 30.52Tm

Cms: 0.083mm/N

Rms: 10.88kg/s

Le (at 1kHz): 1.48mH

Informazioni di Montaggio

Overall diameter: 462mm/18.19in

Overall depth: 233mm/9.17in

Cut-out diameter: 416mm/16.38in

Mounting slot dimensions: 11mm x 7mm/0.43in x 0.28in

Number of mounting slots: 8

Mounting PCD range: 432-441mm/17.0-17.36in

Unit weight: 23kg/50.6lb

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)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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