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PDN.2151

Sub Bass Driver
(1 customer review)
  • Heavy-duty cast aluminium chassis for increased rigidity
  • Power compression 2dB at rated power
  • A B/L in excess of 35 T/m
  • Double suspension system
  • Suitable for horn loaded or bass reflex designs
  • Lightweight neodymium magnet

Diameter

21" / 530 mm

Coil Diameter

6" / 152 mm

Power Rating

1000 w (A.E.S.)

Frequency Range

30 Hz - 1 kHz

Sensitivity

98 dB

Xmax

10.5 mm
SKU: PDN.2151.8 Category:

MRRP Ex. VAT

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General Specifications
TypeSub Bass Driver
Nominal Diameter21" / 530 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.)
Resonance31.44 Hz
Voice Coil Winding Depth30 mm / 1.18"
Recommended Enclosure Volume130 - 350 Litres
Flux Density1.1 Tesla
Magnet MaterialNeodymium
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
Fs31.44 Hz
Re5.35 Ω
Qms18.3
Qes0.28
Qts0.28
Le (@ 1 kHz)1.9 mh
Vas303.35 litres
Mms342.86 g
Sd1698.23 cm2
Cms74.67 µm/N
BL35.86 T/m
Xmax10.5 mm
Vd1.76 litres
Ref. Efficiency4.81%
EBP112.28 Hz
Dimensions & Mounting
Overall Diameter550 mm
Width Across Flats532 mm
Flange Height14 mm
Depth (Excl. Flange)204 mm
Magnet Diameter223 mm
Chassis Shoulder Diameter492 mm
Outer Bolt Circle6* M6 on 528mm PCD
Inner Bolt CircleN/A
Shipping Information
Nett Weight16.3 Kg / 35.93 lb.
Shipping Weight21.25 Kg / 46.85 lb.
Notes
*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 (30 to 300 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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1 review for PDN.2151

  1. Tony

    Hello I would have liked to buy 8 pd2151 in neodymium would it be possible thank you

    • admin

      Hi Tony,

      Thanks for you post. We have sent you an email to discuss this further.

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