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Professional Loudspeakers

Your Global Driver Solutions Partner

Celestion International Ltd, Claydon Business Park, Great Blakenham, Ipswich IP6 ONL, UK
+44 (0)1473 835300 [email protected] www.celestionprofessional.com

Celestion adopts a progressive policy and reserve the right to alter drive unit specifications and/or appearance without prior notice 08/05

CDX1-1415

General Specifications

Power rating (AES, W rms)  ........................................... 20
Nominal impedance (

) ................................................. 8

Frequency range (Hz) ..................................... 2000-20000
Sensitivity (dB) ............................................................ 104
Minimum crossover (Hz) ............................................ 2500
Voice coil diameter (mm/in) .................................. 35.6/1.4
Diaphragm material ........................................... Aluminium
Magnet material .............................................. Neodymium

Mounting Information

Width (mm/in)......................................................... 90/3.5
Depth (mm/in) ........................................................ 57/2.2
Weight (kg/lb) ...................................................... 0.25/0.6
Fitting ................ Flange (2 M6 holes on 76mm, 3.0in PCD)
Throat exit (mm/in) ................................................. 25.4/1

Packed Dimensions & Weight

Single pack size W x D x H (mm/in) .................90 x 90 x 60

................................................................ /3.5 x 3.5 x 2.4

Single pack weight (kg/lb)  ..................................... 0.5/1.1
Multi pack (24) size W x D x H (mm/in)  ........ 250 x 350 x 290

............................................................ /9.8 x 13.8 x 11.4

Multi pack (24) weight (kg/lb)  .................................... 7/15

100

120

140

160

20

40

60

80

60

80

100

120

20

40

60

80

Frequency Response and Impedance Curves

• 20Wrms continuous power handling (AES standard) and 

104dB sensitivity

• Lightweight and compact compression driver featuring

neodymium magnet 

• Finite Element Analysis (FEA) used to optimise both magnet and

acoustic design 

• Suitable for 2-way and 3-way systems

Measured - Exponential Horn 90º x 40º radiation pattern

Measured - Plane Wave Tube

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