Celestion - FTR18-4080FD 1000W 8ohm LF Ferrite

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 than the AES rating.
(3)Measured on axis at 1W, 1m in 2pi anechoic environment.
(4)Xmax derived from: (voice coil winding width-gap depth)/2.
(5)Small signal parameters measured after unit subjected to pre-conditioning signal.