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Sub Bass Driver
  • Out of Manufacture – No longer Available
  • Radial neodymium motor structure
  • Vented cast aluminium chassis for improved thermal control of voice coil
  • Forced air cooling vented voice coil gap
  • Aluminium demodulation ring
  • 3″ High temperature CCAW voice coil
  • For two way ported enclosures
  • Rear aluminium heat sink
Radial Neo Technology


15" / 381 mm

Coil Diameter

3.0" / 76.2 mm

Power Rating

500 W (A.E.S.)

Frequency Range

45 Hz - 5 kHz


99.5 dB


7.25 mm
SKU: PD.153NR1.8 Categories: , , Tag:

Original price was: £277.94.Current price is: £250.15. MRRP Ex. VAT

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Frequency Response Graph
Impedance GRAPH
General Specifications
Type Sub Bass Driver
Available Impedance 4 Ω/ 8 Ω/ 16 Ω
Nominal Diameter 15" / 381 mm
Voice Coil Diameter 3.0" / 76.2 mm
Peak Power (6 dB Crest Factor) * 2000 W (A.E.S.)
Power Rating 1 2 * 500 W (A.E.S.)
Sensitivity (1W/ 1m) * 99.5 dB
Frequency Range 45 Hz - 5 kHz
Resonance 42 Hz
Voice Coil Winding Depth 0.77" / 19.50 mm
Recommended Enclosure Volume 40 - 90 Litres
Flux Density 1.25 Tesla
Magnet Material Neodymium
Magnet Gap Depth 10.00 mm / 0.39"
Former Material Glass Fibre
Dust Dome Material Solid Paper
Voice Coil Material Copper Clad Aluminium
Cone Material Paper
Suspension Material Fabric
Surround Material M Roll Poly Cotton
Thiele Small Parameters
Fs 42 Hz
Re 5.5 Ω
Qms 8.01
Qes 0.38
Qts 0.364
Le (@ 1 kHz) 1.560 mH
Vas 191 Litres
Mms 80.00 g
Sd 866 cm2
Cms 179.00 µm/N
BL 17.70 T/m
Xmax 7.25 mm
Vd 0.620 Litres
Ref. Efficiency 3.50%
EBP 110.53 Hz
Dimensions & Mounting
Overall Diameter 473.62 mm
Width Across Flats 458.73 mm
Flange Height 11.00 mm
Depth (Excl. Flange) 210.00 mm
Magnet Diameter 120 mm
Chassis Shoulder Diameter 415.00 mm
Outer Bolt Circle x6 M8 on 394 mm PCD
Inner Bolt Circle N/A
Shipping Information
Nett Weight 6.30 Kg / 13.89 lb
Shipping Weight 7.00 Kg / 15.43 lb
* Half space response measured in a 950 Litre sealed 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.

** Distortion is measured at 10% of the rated power (AES Standard).

1. AES Standard (45 to 450 Hz) Program 550 Watts.

2. AES Recommended Practice.

3. Thiele - Small Parameters follow a 500 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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