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Sub Bass Driver
  • Ergonomic, Vented Cast Aluminium Chassis Offers Excellent Thermal Control
  • 6” Inside/ Outside Windings, Copper Voice Coil
  • 43 T/m Bl Force Factor For Maximum Spl Output
  • Vented Voice Coil, Coil Gap And Central Aluminium Heat Sink Reduces Power Compression Effects
  • Dual Laminated Silicone Damped Suspension
  • 58 Mm Peak-to-peak Excursion
Klippel Verifeid


21” / 530 mm

Coil Diameter

6” / 138.7 mm

Power Rating

2000 W (A.E.S.)

Frequency Range

25 Hz - 300 Hz


97.5 dB


16.00 mm

The PD.2160-1N is a powerful and dynamic driver engineered to meet the highest professional audio performance standards. Featuring a 6-inch inside/outside windings copper voice coil capable of handling 4000 W continuous program power with a sensitivity of 97.5 dB. The PD.2160-1N ensures crystal-clear audio with low distortion and minimal power compression thanks to its advanced venting system and central aluminium heat sink. With incredible linear frequency response from 25 Hz – 300 Hz, the optimised suspension system and wet pressed fibre-loaded cone assembly provide remarkable strength, stability and precise control of the driver’s 58 mm peak-to-peak maximum excursion.

£625.10 MRRP Ex. VAT

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Frequency Response Graph
Impedance GRAPH
General Specifications
Type Sub Bass Driver
Available Impedance 4 / 8 /16 Ohm
Nominal Diameter 21” / 530 mm
Voice Coil Diameter 6” / 138.7 mm
Peak Power (6 dB Crest Factor) * 8000 W (A.E.S.)
Power Rating 1 2 * 2000 W (A.E.S.)
Sensitivity (1W/ 1m) * 97.5 dB
Frequency Range 25 Hz - 300 Hz
Resonance 35 Hz
Voice Coil Winding Depth 37.00 mm / 1.46”
Recommended Enclosure Volume 150 - 220 Litres
Flux Density 1.45 Tesla
Magnet Material Neodymium
Magnet Gap Depth 13.0 mm / 0.51”
Former Material Glass Fibre
Dust Dome Material Solid Paper
Voice Coil Material Copper
Cone Material Paper
Suspension Material Fabric
Surround Material Fabric
Thiele Small Parameters
Fs 35
Re 5.3 Ω
Qms 15.8
Qes 0.31
Qts 0.3
Le (@ 1 kHz) 2.65 mH
Vas 177 Litres
Mms 477 g
Sd 1698 cm2
Cms 43.4 µm/N
BL 43 T/m
Xmax 16.00 mm
Vd 2.7 Litres
Ref. Efficiency 2.34%
EBP 112.90 Hz
Dimensions & Mounting
Overall Diameter 550 mm
Width Across Flats 532 mm
Flange Height 14 mm
Depth (Excl. Flange) 223 mm
Magnet Diameter 195 mm
Chassis Shoulder Diameter 492 mm
Outer Bolt Circle x6 M8 on 528 mm PCD
Shipping Information
Nett Weight 12.50 kg / 27.56 lb
Shipping Weight 14.5 kg / 29.56 lb
* 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. A.E.S. Standard (20 to 200 Hz). Program 1800 Watts.
2. A.E.S. Recommended Practice.
3. Thiele - Small Parameters follow a 1000 Watt preconditioning period verified by Klippel LSI measurement.
4. 2.83V. Half space response measured in a 975 Litre sealed enclosure.

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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