PD.123C001

Bass / Mid Range Driver
  • Vented cast aluminium chassis for improved thermal control of voice coil
  • Optimised vented voice coil cools and reduces coil gap turbulence
  • Multi roll cone surround profile
  • High BL of 24.5 T/m
Klippel Verifeid
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Download PDF Datasheet

The PD.123C001 offers excellent linear response well controlled down to 50Hz. It is a very good solution for two way or multi way systems where high BL and good punch is required.

Frequency Response GRaPH
Impedance GRAPH
General Specifications
Nominal Diameter12" / 304.8 mm
Voice Coil Diameter3.0" / 76.2 mm
Available Impedances4 Ω/ 8 Ω/ 16 Ω
Power Rating 1 2 *600 W (A.E.S.)
Peak Power (6dB Crest Factor)*2400 W (A.E.S.)
Sensitivity (1W – 1m)*99 dB
Frequency Range45 Hz - 4 kHz
Recommended Enclosure Volume35 - 55 Litres
Resonance35 Hz
Voice Coil Winding Depth0.83" / 21.00 mm
Magnet Gap Depth11.00 mm / 0.43"
Flux Density1.20 Tesla
Magnet MaterialY30 Ferrite
Magnet Weight
Voice Coil MaterialCopper
Former MaterialGlass Fibre
Dust Dome MaterialPaper
Suspension MaterialFabric
Cone MaterialPaper
Surround MaterialFabric
Thiele Small Parameters
Fs35 Hz
Re5.5 Ω
Qms7.5
Qes0.147
Qts0.144
Le (@1 kHz)
Le (@10 kHz)2.170 mH
Vas122 Litres
Mms70.00 g
Sd547 cm2
Cms288.00 µm/N
BL24.50 T/m
Xmax7.5 mm
Vd0.410 Litres
Ref. Efficiency3.44%
EBP238.10 Hz
Dimensions & Mounting
Overall Diameter12" / 304.8 mm
Widths Across Flats320 mm
Flange Height10.00 mm
Depth (Excl. Flange)121.00 mm
Magnet Diameter200 mm
Chassis Shoulder Diameter279.00 mm
Outer Bolt Circlex4 M6 318 mm PCD
Inner Bolt Circle(Hidden) x8 M6 on 293 mm PCD

 

Shipping Information
Nett Weight
Shipping Weight

 

Notes
* 2.83V. Half space response measured in a 975 litre sealed enclosure.

*1 Power compression is the reduction of sensitivity at the specified power. Higher power ratings do not necessarily give a proportionate increase in SPL therefore the maximum SPL of the driver may significantly exceed that of other manufacturers with high power ratings.

** Distortion is measured at 10% of the rated power (AES Standard).

1. AES Standard (50 to 500 Hz) Program 400 Watts.

2. AES Recommended Practice.

3. Thiele - Small Parameters follow a 400 Watt preconditioning period.

Please note that frequency response measurements are supplied for comparison purposes only and are not a measure of the low frequency performance which may be achievable in a fully optimised system.
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