Celestion FTR18-4080HDX
8 Ohm 18" Loudspeaker
 
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General Specifications

Nominal diameter
457mm/18in
Power rating1
1000Wrms
Continuous power rating2
2000W
Nominal impedance
8Ω
Sensitivity3
95dB
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
Xmax4
8mm/0.33in
Gap depth
9.5mm/0.37in
Voice coil winding width
25mm/0.99in

Small Signal Parameters4

D
0.38m/14.96in
Fs
35.5Hz
Mms
199.02g/7.025oz
Qms
5.74
Qes
0.46
Mmd
177.41g/6.26oz
Qts
0.42
Re
5.01Ω
Vas
184.24lt/6.5ft3
BI
22.11Tm
Cms
0.10mm/N
Rms
7.72kg/s
Le (at 1kHz)
1.81mH

Mounting Information

Overall diameter
452mm/17.8in
Overall depth
205mm/8.07in
Cut-out diameter
416mm/16.38in
Mounting slot dimensions
10mm x 7mm/0.4in x 0.27in
Number of mounting slots
8
Mounting PCD range
429-440mm/16.89-17.32in
Unit weight
9.8kg/21.6lb

Packed Dimensions & Weight

Single pack size W x D x H
500mm x 500mm x 240mm
/19.7in x 19.7in x 9.4in
Single pack weight
11.6kg/25.6lb

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