Celestion CF1840JD LF Cast Chassis Loudspeaker FREE SHIP!! AUTH DISTR!!

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Celestion CF1840JD NEW LF Cast Chassis Loudspeaker 
FREE SHIP!! AUTHORIZED DISTRIBUTOR!!

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General Specifications

Nominal diameter
457mm/18in
Power rating1
1200Wrms
Continuous power rating2
2400W
Nominal impedance
Sensitivity3
95dB
Frequency range
30-2,500Hz
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
Xmax4
10mm/0.39in
Gap depth
10mm/0.39in
Voice coil winding width
30mm/1.18in

Small Signal Parameters

D
0.38m/14.96in
Fs
37Hz
Mms
217.4g/7.67oz
Qms
4.372
Qes
0.44
Mmd
185.145g/6.54oz
Qts
0.4
Re
5.29Ω
Vas
155l/5.47ft3
BI
24.76Tm
Cms
0.09mm/N
Rms
11.56kg/s
Le (at 1kHz)
1.16mH

Mounting Information

Overall diameter
460mm/18.11in
Overall depth
220.35mm/8.68in
Cut-out diameter
414mm/16.24in
Mounting slot dimensions
11mm x 7mm/0.43-0.28in
Number of mounting slots
8
Mounting PCD range
432-441mm/17-17.36in
Unit weight
11.6kg/25.5lb

Packed Dimensions & Weight

Single pack size W x D x H
500mm x 500mm x 255mm
/19.7in x 19.7 x 7.11in
Single pack weight
13kg/28.6lb
Multi pack size W x D x H
1210mm x 1050mm x 1070mm
/47.6in x 41.3in x 42.1in
Multi pack weight
305kg/670lb