Bass Driver
  • Heavy duty cast aluminium frame for increased rigidity
  • Low distortion
  • Suitable for bass reflex or closed box designs but also works well in horn loaded designs
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The PD.184C01 utilises our new chassis design and has been engineered using a fully optimised cone and surround to improve linearity and tonal character. These changes bring the PD.184C01 to the forefront for improved, Hi-Fi like performance coupled with Pro Audio power handling and reliability.

The PD.184C01 performance characteristics can be optimised by reflex loading. The excellent definition and response speed at the lowest audio frequencies make this drive unit eminently suitable as the bass component in monitoring systems.

This versatile driver is equally at home in traditional Horn Loaded applications offering tight punch / defined bass reproduction across its working band.

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 *700 W (A.E.S.)
Peak Power (6dB Crest Factor)*2800 W (A.E.S.)
Sensitivity (1W – 1m)*98 dB
Frequency Range40 Hz - 1 kHz
Recommended Enclosure Volume100 - 300 Litres
Resonance30 Hz
Voice Coil Winding Depth22 mm / 0.87"
Magnet Gap Depth11 mm / 0.43"
Flux Density0.98 Tesla
Magnet MaterialCeramic
Magnet Weight
Voice Coil MaterialCopper
Former MaterialGlass Fibre
Dust Dome MaterialPaper
Suspension MaterialFabric
Cone MaterialPaper
Surround MaterialFabric
Thiele Small Parameters
Fs30 Hz
Re4.81 Ω
Le (@1 kHz)
Le (@10 kHz)0.47 mH
Vas337.07 Litres
Mms163.37 g
Sd1164.16 cm²
Cms0.18 mm/N
BL25.21 T/m
Xmax8 mm
Vd0.931 Litres
Ref. Efficiency3.65%
EBP130.43 Hz


Dimensions & Mounting
Overall Diameter474 mm
Widths Across Flats459 mm
Flange Height14.5 mm
Depth (Excl. Flange)174 mm
Magnet Diameter225 mm
Chassis Shoulder Diameter415.5 mm
Outer Bolt Circle6x M8 on 455 mm PCD
Inner Bolt CircleN/A


Shipping Information
Nett Weight14 Kg / 30.86 lb
Shipping Weight15.25 Kg / 33.62 lb
*2.83V. Half space response measured in a 975 Litre sealed Enclosure. Blue Line = fundamental 45° off-axis.

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 400Hz) Program 700 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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