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

PD.184

  • Heavy-duty cast aluminium chassis for increased rigidity.
  • Versatile, easy to use 18" transducer.


*2.83V. Half space response measured in a 208 Litre vented 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 (40 to 400 Hz) Program 1400 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 700 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 Diameter460 mm / 18"
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 - 2.5 kHz
Recommended Enclosure Volume100 - 300 Litres
Resonance33.38 Hz
Voice Coil Winding Depth22 mm / 0.87"
Magnet Gap Depth11 mm / 0.43"
Flux Density Tesla0.97 Tesla
Magnet MaterialCeramic
Voice Coil MaterialCopper
Former MaterialGlass Fibre
Dust Dome MaterialPaper
Suspension MaterialFabric
Cone Surround MaterialPaper / Fabric
THIELE SMALL PARAMETERS
Fs 33.38 Hz
Re 5.36 Ω
Qms16.47
Qes0.27
Qts0.27
Le 1.34 mh
L2 2.69 mh
R2 8.85 Ω
Vas 304 litres
Mms 142.88 g
Sd 1164.16 cm2
Cms 159.67 µm/N
BL24.21 T/m
Xmax8 mm
Vd0.9 litres
Ref. Efficiency3.45%
MOUNTING AND SHIPPING INFORMATION
Overall Diameter474 mm
Width Across Flats458 mm
Flange Height13 mm
Depth (Excl. Flange)182 mm
Magnet Diameter220 mm
Chassis Shoulder Diameter415 mm
Outer Bolt Circle6 * M8 on 456mm PCD
Inner Bolt CircleN/A
Nett Weight14 Kg / 30.86 lb.
Shipping Weight15.25 Kg / 33.62 lb.
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