Free UK Shipping.

VIP & UK B2B Trade Accounts.

Safe & Secure Payment Methods.

Manufacturer Support.


Bass Driver
  • Discontinued – Special Order / OEM Only
  • Contact for order information
  • Heavy-duty cast aluminium chassis for increased rigidity
  • Versatile, easy to use 18″ transducer


18" / 457.2 mm

Coil Diameter

4.0" / 101.6 mm

Power Rating

600 w (A.E.S.)

Frequency Range

40 Hz - 2.5 kHz


98 dB


8 mm
SKU: PD.184.8 Category:

Sorry, this product is out of manufacture and no longer available.

Have you seen our latest range of drivers?

Go to Products

Find Distributors and Retailers

Download Datasheet PDF


Ask a Question About the PD.184

General Specifications
Type Bass Driver
Available Impedance 4 Ω/ 8 Ω/ 16 Ω
Nominal Diameter 18" / 457.2 mm
Voice Coil Diameter 4.0" / 101.6 mm
Peak Power (6 dB Crest Factor) * 2400 w (A.E.S.)
Power Rating 1 2 * 600 w (A.E.S.)
Sensitivity (1W/ 1m) * 98 dB
Frequency Range 40 Hz - 2.5 kHz
Resonance 33.38 Hz
Voice Coil Winding Depth 22 mm / 0.87"
Recommended Enclosure Volume 100 - 300 Litres
Flux Density 0.97 Tesla
Magnet Material Ceramic
Magnet Gap Depth 11 mm / 0.43"
Former Material Glass Fibre
Dust Dome Material Paper
Voice Coil Material Copper
Cone Material Paper
Suspension Material Fabric
Surround Material Fabric
Thiele Small Parameters
Fs 33.38 Hz
Re 5.36 Ω
Qms 16.47
Qes 0.27
Qts 0.27
Le (@ 1 kHz) 1.34 mh
Vas 304 litres
Mms 142.88 g
Sd 1164.16 cm2
Cms 159.67 µm/N
BL 24.21 T/m
Xmax 8 mm
Vd 0.9 litres
Ref. Efficiency 3.45%
EBP 123.62 Hz
Dimensions & Mounting
Overall Diameter 474 mm
Width Across Flats 458 mm
Flange Height 13 mm
Depth (Excl. Flange) 182 mm
Magnet Diameter 220 mm
Chassis Shoulder Diameter 415 mm
Outer Bolt Circle 6 * M8 on 456mm PCD
Inner Bolt Circle N/A
Shipping Information
Nett Weight 14 Kg / 30.86 lb.
Shipping Weight 15.25 Kg / 33.62 lb.
*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
What people are saying about the PD.184

Please take a moment to share your feedback with us. We love to hear your success stories and comments about our products. It can really help us, and other PD customers, on our continuing mission of creating better sound.


Be the first to review “PD.184”

Your email address will not be published. Required fields are marked *

Got a question about the PD.184 ? Send us a message...

2 + 3 =

Pin It on Pinterest

Share This