PD.184

Bass Driver
  • Discontinued – Special Order / OEM Only
  • Contact info@precision-devices.com for order information
  • Heavy-duty cast aluminium chassis for increased rigidity
  • Versatile, easy to use 18″ transducer
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Download PDF Datasheet
General Specifications
Nominal Diameter18" / 457.2 mm
Voice Coil Diameter4.0" / 101.6 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)*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 Density0.97 Tesla
Magnet MaterialCeramic
Magnet Weight
Voice Coil MaterialCopper
Former MaterialGlass Fibre
Dust Dome MaterialPaper
Suspension MaterialFabric
Cone MaterialPaper
Surround MaterialFabric
Thiele Small Parameters
Fs33.38 Hz
Re5.36 Ω
Qms16.47
Qes0.27
Qts0.27
Le (@1 kHz)
Le (@10 kHz)1.34 mh
Vas304 litres
Mms142.88 g
Sd1164.16 cm2
Cms159.67 µm/N
BL24.21 T/m
Xmax8 mm
Vd0.9 litres
Ref. Efficiency3.45%
EBP123.62 Hz

 

Dimensions & Mounting
Overall Diameter474 mm
Widths 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

 

Shipping Information
Nett Weight14 Kg / 30.86 lb.
Shipping Weight15.25 Kg / 33.62 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 (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.
Frequency Response & Impedance
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