CD 40×70.26/N35

Compression Driver
Code: Z009430

Nominal Dimensions: 40×70 mm
Nominal voice coil diameter: 1″
Magnet material: Neodymium
Sensitivity: 106 dB
Power: 30 W




  • Rated Power measured with 2 hours test with pink noise signal, 6dB crest factor
  • Power on Continuous Program is defined as 3 dB greater than the Rated Power
  • Sensitivity measured at 1W, 1 m in axis within the frequency range, driver coupled to the recommended horn
  • Minimum crossover frequency, 12 db/oct or higher order high-pass filter
  • Due to continuing product improvement, the features and the design are subject to change without notice.

Informazioni aggiuntive

General Specifications
CD Nominal Diameter

40×70 mm

Nominal Impedance

8 Ω

CD Rated Power AES

15 W

CD Continuous Program Power

30 W

Sensitivity @ 1W/1m

106 dB

Voice Coil Diameter

25 mm (1")

Voice Coil Winding Depth

2.1 mm

Magnetic Gap Depth

2.0 mm

Flux Density

1.72 T

DC Resistance

5.3 Ω

Resonance Frequency

1.7 KHz

Magnet Weight

38 g

Net Weight

0.2 Kg

Recommended Crossover Frequency

2.5 Khz

Throat Diameter

25.4 mm (1")

Constructive Characteristics
Magnet Type


Voice Coil Winding Material

Aluminium Flat Wire

Voice Coil Former Material



Tri-acetate film

Ferrofluid in Air Gap


Spare Part Code


Mounting Information
Mounting Holes

2 holes Ø4.5 on Ø53 mm

Total Depth

40.5 mm