Precision Devices International Limited Precision Devices Made in UK
PD.184C01 - Out now PD.123C01 - out now Precision Devices at Palm Expo India 2017 the precision dna PD.155N01

PDN.8BM31

  • A perfect choice for full range high power applications in compact cabinets.
  • Excels in compact sound systems.
  • Ideal for low profile cabinets with excellent low frequency response.
  • Lightweight neodymium magnet.


*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 (60 to 600 Hz) Program 300 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 150 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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SPECIFICATIONS
Nominal Diameter200 mm / 8"
Voice Coil Diameter51 mm / 2.0"
Nominal Impedance8 Ω
Available In4 Ω/ 8 Ω/ 16 Ω
Power Rating150 w (A.E.S.)
Peak Power (6dB Crest Factor)600 w (A.E.S.)
Sensitivity (1w / 1m)95 dB
Frequency Range70 Hz - 5 kHz
Recommended Enclosure Volume5 - 20 Litres
Resonance79.34 Hz
Voice Coil Winding Depth11.5 mm / 0.45"
Magnet Gap Depth6.5 mm / 0.26"
Flux Density Tesla1.43 Tesla
Magnet MaterialNeodymium
Voice Coil MaterialCopper
Former MaterialGlass Fibre
Dust Dome MaterialPaper
Suspension MaterialFabric
Cone Surround MaterialPaper / Fabric
THIELE SMALL PARAMETERS
Fs 79.34 Hz
Re 5.45 Ω
Qms6.79
Qes0.45
Qts0.42
Le 0.34 mh
L2 0.85 mh
R2 7.36 Ω
Vas 13.27 litres
Mms 22.04 g
Sd 226.98 cm2
Cms 183.17 µm/N
BL13.57 T/m
Xmax4 mm
Vd0.0896 litres
Ref. Efficiency1.74%
MOUNTING AND SHIPPING INFORMATION
Overall Diameter210 mm
Width Across Flats0 mm
Flange Height8.5 mm
Depth (Excl. Flange)88.5 mm
Magnet Diameter100 mm
Chassis Shoulder Diameter191 mm
Outer Bolt Circle8 * M5 on 199mm PCD
Inner Bolt CircleN/A
Nett Weight2.2 Kg / 4.85 lb.
Shipping Weight2.5 Kg / 5.51 lb.
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