Precision Devices International Limited Precision Devices Made in UK
Precision Devices - Exporting Is Great Precision Devices PD.CD1.5NR1 Precision Devices PD.CD1N the precision dna Precision Devices Compression Driver Range - Out Now


  • Heavy-duty cast aluminium chassis for increased rigidity.
  • Easy integration with 1" or 2" compression drivers.
  • Effective transducer in a variety of versatile applications.
  • A B/L in excess of 28 T/m.
  • Also suitable for 1x15" or 2x15" horn loaded/bandpass sub bass designs.
  • Lightweight neodymium magnet assembly.

*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.

1. AES Standard (45 to 450 Hz) Program 1200 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 600 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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Nominal Diameter380 mm / 15"
Voice Coil Diameter101 mm / 4.0"
Nominal Impedance8 Ω
Available In4 Ω/ 8 Ω/ 16 Ω
Power Rating600 w (A.E.S.)
Peak Power (6dB Crest Factor)2400 w (A.E.S.)
Sensitivity (1w / 1m)98 dB
Frequency Range40 Hz - 3 kHz
Recommended Enclosure Volume60 - 200 Litres
Resonance50.21 Hz
Voice Coil Winding Depth19 mm / 0.75"
Magnet Gap Depth11 mm / 0.43"
Flux Density Tesla1.2 Tesla
Magnet MaterialNeodymium
Voice Coil MaterialCopper
Former MaterialGlass Fibre
Dust Dome MaterialPaper
Suspension MaterialDual Fabric
Cone Surround MaterialPaper / Fabric
Fs 50.21 Hz
Re 5.87 Ω
Le 0.78 mh
L2 2.12 mh
R2 18.85 Ω
Vas 83.45 litres
Mms 123.76 g
Sd 855.3 cm2
Cms 81.33 µm/N
BL28.7 T/m
Xmax6 mm
Vd0.497 litres
Ref. Efficiency5.08%
Overall Diameter410 mm
Width Across Flats395 mm
Flange Height10 mm
Depth (Excl. Flange)145 mm
Magnet Diameter182 mm
Chassis Shoulder Diameter357 mm
Outer Bolt Circle6 * M6 on 395mm PCD
Inner Bolt Circle8 * M6 on 370mm PCD
Nett Weight7.7 Kg / 16.98 lb.
Shipping Weight8.7 Kg / 19.18 lb.
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