Celestion CF1840JD - T5863 - 8 ohm - Woofer

Celestion CF1840JD - T5863 - 8 ohm - Woofer
SKU
570-024
Ship weight
13.20 kg
Priced per
each
UPC:
739894586351
Impedance:
8 ohm
Diameter:
18"
  • Details
  • Additional Information
  • 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

General Specifications

Nominal diameter
457mm/18in
Power rating1
1200Wrms
Nominal impedance
Sensitivity2
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
Xmax3
10mm/0.39in

Small Signal Parameters

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
5.29Ω
Vas
113.924
BI
24.758Tm
Cms
0.063mm/N
Rms
13.653kg/s
Le (at 1kHz)
0.96mH

Mounting Information

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
Product Graph

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