Riferimento: 15300176
Marca: Celestion
CF1840JD 1200W 4ohm LF Ferrite
CF1840JD 1200W 4ohm LF Ferrite
Caratteristiche
- Compact, high flux, Dual Magnet Motor design
- Vented cast aluminium heatsink
Specifiche Generali
Nominal diameter: 381mm/15in
Power rating(1): 300Wrms
Continuous power rating(2): 600W
Sensitivity(2): 98dB
EIA power rating(3): 450W
Nominal impedance: 8ohm
Sensitivity(4): 98db
Frequency range: 40-3,000Hz
Voice coil diameter: 75mm/3in
Chassis type: Pressed steel
Magnet type: Neodymium
Coil material: Round copper
Former material: Polyimide
Cone material: Kevlar loaded paper
Surround material: Cloth-sealed
Suspension: Single
Xmax(3): 3.75mm/0.148in
Gap depth: 10mm/0.39in
Voice coil winding width: 17.5mm/0.69in
Parametri di Thiele-Small
D: 0.33m/12.99in
Fs: 42.5Hz
Mms: 92.58g/3.27oz
Qms: 2.619
Qes: 0.358
Mmd: 84.85g/2.99oz
Qts: 0.315
Re: 5.38ohm
Vas: 156.55lt/5.53ft3
BI: 19.29Tm
Cms: 0.15mm/N
Rms: 9.45kg/s
Le (at 1kHz): 1.11mH
Informazioni di Montaggio
Overall diameter: 385mm/15.16in
Overall depth: 160mm/6.30in
Cut-out diameter: 352mm/13.86in
Mounting slot dimensions: 9.2mm x 6.2mm/0.36in x 0.24in
Number of mounting slots: 8
Mounting PCD range: 369mm/14.53in
Unit weight: 2.8kg/6.2lb
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 Rating 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.
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