PDN.8BM31

Bass / Mid Range Driver
  • Discontinued – Special Order / OEM Only
  • Contact info@precision-devices.com for order information
  • 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
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Download PDF Datasheet
General Specifications
Nominal Diameter8" / 200 mm
Voice Coil Diameter2.0" / 51 mm
Available Impedances4 Ω/ 8 Ω/ 16 Ω
Power Rating 1 2 *150 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 Density1.43 Tesla
Magnet MaterialNeodymium
Magnet Weight
Voice Coil MaterialCopper
Former MaterialGlass Fibre
Dust Dome MaterialPaper
Suspension MaterialFabric
Cone MaterialPaper
Surround MaterialFabric
Thiele Small Parameters
Fs79.34 Hz
Re5.45 Ω
Qms6.79
Qes0.45
Qts0.42
Le (@1 kHz)
Le (@10 kHz)0.34 mh
Vas13.27 litres
Mms22.04 g
Sd226.98 cm2
Cms183.17 µm/N
BL13.57 T/m
Xmax4 mm
Vd0.0896 litres
Ref. Efficiency1.74%
EBP176.31 Hz

 

Dimensions & Mounting
Overall Diameter210 mm
Widths 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

 

Shipping Information
Nett Weight2.2 Kg / 4.85 lb.
Shipping Weight2.5 Kg / 5.51 lb.
Notes
*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.
Frequency Response & Impedance
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