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

General Specifications

Nominal diameter

457mm/18in

Power rating1

1200Wrms

Continuous power rating2

2400W

Nominal impedance

8Ω

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