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Sub Bass Driver
  • New ergonomic, vented cast aluminium chassis offers improved thermal control
  • A bl in excess of 20 t/m
  • Improved motor plating providing a more resilient finish and resistance to corrosion
  • Suitable for bass guitar applications
Klippel Verifeid


15" / 380 mm

Coil Diameter

4.0" / 101.6 mm

Power Rating

500 w (A.E.S.)

Frequency Range

40 Hz - 2 kHz


97 dB


7.7 mm

Designed as an extremely powerful low frequency transducer for bass and compact bass applications. The PD.154/2 is Ideal for three-way direct radiating systems in which the powerful bass response comes into its own.

Equally at home in drum fill and stage monitor wedges where exceptional low frequency performance makes it an ideal choice. The PD.154/2 is also a faultless choice for bass guitar applications.

£193.41 MRRP Ex. VAT

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General Specifications
TypeSub Bass Driver
Nominal Diameter15" / 380 mm
Voice Coil Diameter4.0" / 101.6 mm
Power Rating 1 2 *500 w (A.E.S.)
Available Impedance4 Ω/ 8 Ω/ 16 Ω
Sensitivity (1W/ 1m)*97 dB
Frequency Range40 Hz - 2 kHz
Peak Power (6 dB Crest Factor)2000 w (A.E.S.)
Resonance44.94 Hz
Voice Coil Winding Depth22 mm / 0.87"
Recommended Enclosure Volume80 - 200 Litres
Flux Density1.1 Tesla
Magnet MaterialCeramic
Magnet Gap Depth11 mm / 0.43"
Former MaterialGlass Fibre
Dust Dome MaterialPaper
Voice Coil MaterialCopper
Cone MaterialPaper
Suspension MaterialFabric
Surround MaterialFabric
Thiele Small Parameters
Fs44.94 Hz
Re6.5 Ω
Le (@ 1 kHz)1.03 mh
Vas114.9 litres
Mms126.62 g
Sd907.92 cm2
Cms99 µm/N
BL29.44 T/m
Xmax7.7 mm
Vd0.658 litres
Ref. Efficiency3.94%
EBP166.44 Hz
Dimensions & Mounting
Overall Diameter408.3 mm
Width Across Flats395 mm
Flange Height11 mm
Depth (Excl. Flange)154 mm
Magnet Diameter220 mm
Chassis Shoulder Diameter356 mm
Outer Bolt Circlex6 M6 on 395 mm PCD
Shipping Information
Nett Weight13 Kg / 28.66 lb.
Shipping Weight14 Kg / 30.86 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 1000 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 500 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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