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PD.185N002

Sub Bass Driver
  • Out of Manufacture – No longer Available
  • Neodymium magnet assembly
  • Vented chassis with forced air cooling vented voice coil gap
  • Aluminium demodulation ring
  • Dual suspension assembly
  • 5″ High temperature copper voice coil
  • Triple roll surround straight cone geometry
  • For sub bass applications in bass reflex / horn loaded enclosures

Diameter

18" / 457.2 mm

Coil Diameter

5.0" / 127 mm

Power Rating

1000 W (A.E.S.)

Frequency Range

30 Hz - 300 Hz

Sensitivity

97.5 dB

Xmax

11.5 mm
SKU: PD.185N002.8 Categories: , Tag:

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Frequency Response Graph
Impedance GRAPH
General Specifications
TypeSub Bass Driver
Nominal Diameter18" / 457.2 mm
Voice Coil Diameter5.0" / 127 mm
Power Rating 1 2 *1000 W (A.E.S.)
Available Impedance4 Ω/ 8 Ω/ 16 Ω
Sensitivity (1W/ 1m)*97.5 dB
Frequency Range30 Hz - 300 Hz
Peak Power (6 dB Crest Factor)4000 W (A.E.S.)
Resonance36 Hz
Voice Coil Winding Depth1.14" / 29.00 mm
Recommended Enclosure Volume110 - 200 Litres
Flux Density1.20 Tesla
Magnet MaterialNeodymium
Magnet Gap Depth13.50 mm / 0.53"
Former MaterialGlass Fibre
Dust Dome MaterialPaper
Voice Coil MaterialCopper
Cone MaterialPaper
Suspension MaterialPoly Cotton
Surround MaterialFabric
Thiele Small Parameters
Fs36 Hz
Re5.4 Ω
Qms3.1
Qes0.329
Qts0.3
Le (@ 1 kHz)3.070 mH
Vas226 Litres
Mms173.00 g
Sd1163 cm2
Cms117.60 µm/N
BL25.00 T/m
Xmax11.5 mm
Vd1.360 Litres
Ref. Efficiency2.85%
EBP109.42 Hz
Dimensions & Mounting
Overall Diameter473.60 mm
Width Across Flats458.73 mm
Flange Height14.50 mm
Depth (Excl. Flange)174.00 mm
Magnet Diameter180 mm
Chassis Shoulder Diameter414.38 mm
Outer Bolt Circlex6 M8 on 456 mm PCD
Inner Bolt CircleN/A
Shipping Information
Nett Weight11.50 Kg / 25.35 lb
Shipping Weight12.20 Kg / 26.90 lb
Notes
* 2.83V. Half space response measured in a 975 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 (30 to 300 Hz) Program 1000 Watts.

2. AES Recommended Practice.

3. Thiele - Small Parameters follow a 1000 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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