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Sub Bass Driver
  • Heavy-duty cast aluminium chassis for increased rigidity
  • Power compression only 1.6dB at rated power
  • A B/L in excess of 31 T/m.
  • Double suspension
  • Appropriate for applications as diverse as scoop bins, conventional reflex cabinets and horn loaded systems
  • Increased excursion over an 1850/2


24" / 610 mm

Coil Diameter

6" / 152 mm

Power Rating

1000 w (A.E.S.)

Frequency Range

30 Hz - 1 kHz


98 dB


10.5 mm
SKU: PD.2450.8 Category:

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

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General Specifications
TypeSub Bass Driver
Nominal Diameter24" / 610 mm
Voice Coil Diameter6" / 152 mm
Power Rating 1 2 *1000 w (A.E.S.)
Available Impedance4 Ω/ 8 Ω/ 16 Ω
Sensitivity (1W/ 1m)*98 dB
Frequency Range30 Hz - 1 kHz
Peak Power (6 dB Crest Factor)4000 w (A.E.S.)
Resonance32.37 Hz
Voice Coil Winding Depth30 mm / 1.18"
Recommended Enclosure Volume130 - 400 Litres
Flux Density1.1 Tesla
Magnet MaterialCeramic
Magnet Gap Depth15 mm / 0.59"
Former MaterialGlass Fibre
Dust Dome MaterialPaper
Voice Coil MaterialCopper
Cone MaterialPaper
Suspension MaterialDual Fabric
Surround MaterialFabric
Thiele Small Parameters
Fs32.37 Hz
Re5.23 Ω
Le (@ 1 kHz)1.75 mh
Vas404.89 litres
Mms424.08 g
Sd2248.01 cm2
Cms57 µm/N
BL36.48 T/m
Xmax10.5 mm
Vd2.36 litres
Ref. Efficiency4.04%
EBP95.20 Hz
Dimensions & Mounting
Overall Diameter632 mm
Width Across Flats610 mm
Flange Height17 mm
Depth (Excl. Flange)228 mm
Magnet Diameter316 mm
Chassis Shoulder Diameter573 mm
Outer Bolt Circle6 * M8 on 609 mm PCD
Inner Bolt CircleN/A
Shipping Information
Nett Weight36 Kg / 79.37 lb.
Shipping Weight41 Kg / 90.39 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 2000 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.
Frequency Response & Impedance
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