Compression Driver
  • The PD.CD1N features an annular slot optimised geometry ABS phase plug
  • 44 mm Aluminium voice coil utilising high temperature Kapton former
  • PEEK diaphragm and surround material
  • Neodymium motor structure
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Download PDF Datasheet
Frequency Response GRaPH
Impedance GRAPH
General Specifications
Sound Channel / Throat Size1.0” / 25.4 mm
Voice Coil Diameter1.73” / 44 mm
Power Rating (AES above 1kHz) 1
40 W (A.E.S.)
Sensitivity (1W – 1m) on axis, on horn*109 dB
Frequency Range900 Hz - 19 kHz
Recommended Crossover Frequency (Filtered at 18dB/ Octave)1800 Hz
Minimum Impedance2.6 kHz - 7.5 Ω
Voice Coil MaterialCopper Clad Aluminium
Coil Former MaterialKapton
Flux Density1.8 Tesla
Diaphragm MaterialPEEK
Suspension MaterialPEEK
Surround / Edge TerminationFlat
Phase Plug DesignAnnular
Phase Plug MaterialABS
Magnet MaterialNeodymium
Connector TypeSolder Tab


Dimensions & Mounting
Overall Diameter85 mm
Overall Height41 mm
Fitting2 x 6 mm threaded holes
Mounting PCD76 mm


Shipping Information
Nett Weight0.85 Kg / 1.87 lb
Shipping Weight1 Kg / 2.2 lb


1. AES standard practice with high pass filter set at specified lower limiting frequency for two hours.
2. Sensitivity is measured with applied pink noise RmS Voltage set to 2.83V for nominal 8 ohms impedance and mesurment taken at 1 meter from mouth of horn. Average SPL taken between 1000 Hz to 19 kHz .
3. Frequency range is defined as measured frequency-10dB to rated sensitivity.
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