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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:

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General Specifications
Type Sub Bass Driver
Nominal Diameter 21" / 530 mm
Voice Coil Diameter 6" / 152 mm
Power Rating 1 2 * 1000 w (A.E.S.)
Available Impedance 4 Ω/ 8 Ω/ 16 Ω
Sensitivity (1W/ 1m)* 98 dB
Frequency Range 30 Hz - 1 kHz
Peak Power (6 dB Crest Factor) 4000 w (A.E.S.)
Resonance 31.44 Hz
Voice Coil Winding Depth 30 mm / 1.18"
Recommended Enclosure Volume 130 - 350 Litres
Flux Density 1.1 Tesla
Magnet Material Neodymium
Magnet Gap Depth 15 mm / 0.59"
Former Material Glass Fibre
Dust Dome Material Paper
Voice Coil Material Copper
Cone Material Paper
Suspension Material Dual Fabric
Surround Material Fabric
Thiele Small Parameters
Fs 31.44 Hz
Re 5.35 Ω
Qms 18.3
Qes 0.28
Qts 0.28
Le (@ 1 kHz) 1.9 mh
Vas 303.35 litres
Mms 342.86 g
Sd 1698.23 cm2
Cms 74.67 µm/N
BL 35.86 T/m
Xmax 10.5 mm
Vd 1.76 litres
Ref. Efficiency 4.81%
EBP 112.28 Hz
Dimensions & Mounting
Overall Diameter 550 mm
Width Across Flats 532 mm
Flange Height 14 mm
Depth (Excl. Flange) 204 mm
Magnet Diameter 223 mm
Chassis Shoulder Diameter 492 mm
Outer Bolt Circle 6* M6 on 528mm PCD
Inner Bolt Circle N/A
Shipping Information
Nett Weight 16.3 Kg / 35.93 lb.
Shipping Weight 21.25 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
What people are saying about the PDN.2151

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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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