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PD.1550/2

Bass Driver
  • New ergonomic, vented cast aluminium chassis offers improved thermal control
  • Power compression only 2.7db at rated power*
  • An effective transducer in a variety of versatile applications
  • Improved motor plating providing a more resilient finish and resistance to corrosion
  • Suitable for horn-loaded and reflex designs
Klippel Verifeid

Diameter

15" / 380 mm

Coil Diameter

4.0" / 101.6 mm

Power Rating

600 w (A.E.S.)

Frequency Range

40 Hz - 1.5 kHz

Sensitivity

99 dB

Xmax

8.2 mm

Designed specifically to provide powerful and accurate bass frequencies for sound reinforcement in a variety of enclosure types. The PD.1550/2’s improved linear excursion and efficient thermal path effectively dissipates heat minimising distortion and power compression effects.

The advanced magnetic assembly features a composite alloy and steel pole piece generating a uniform and stable magnetic field. The resulting high BL factor contributes to the speed, accuracy and fidelity of the PD.1550/2, maintaining control of the cone under the most demanding conditions.

£200.00 MRRP Ex. VAT

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General Specifications
Type Bass Driver
Nominal Diameter 15" / 380 mm
Voice Coil Diameter 4.0" / 101.6 mm
Power Rating 1 2 * 600 w (A.E.S.)
Available Impedance 4 Ω/ 8 Ω/ 16 Ω
Sensitivity (1W/ 1m)* 99 dB
Frequency Range 40 Hz - 1.5 kHz
Peak Power (6 dB Crest Factor) 2400 w (A.E.S.)
Resonance 46.17 Hz
Voice Coil Winding Depth 22 mm / 0.87"
Recommended Enclosure Volume 80 - 200 Litres
Flux Density 1.5 Tesla
Magnet Material Ceramic
Magnet Gap Depth 10 mm / 0.39"
Former Material Glass Fibre
Dust Dome Material Paper
Voice Coil Material Copper
Cone Material Paper
Suspension Material Fabric
Surround Material Fabric
Thiele Small Parameters
Fs 46.17 Hz
Re 6.59 Ω
Qms 13.87
Qes 0.3
Qts 0.29
Le (@ 1 kHz) 0.78 mh
Vas 126.39 litres
Mms 114.38 g
Sd 907.92 cm2
Cms 109.33 µm/N
BL 26.61 T/m
Xmax 8.2 mm
Vd 0.73 litres
Ref. Efficiency 3.14%
EBP 153.9 Hz
Dimensions & Mounting
Overall Diameter 408.3 mm
Width Across Flats 395 mm
Flange Height 11 mm
Depth (Excl. Flange) 153.7 mm
Magnet Diameter 220 mm
Chassis Shoulder Diameter 357 mm
Outer Bolt Circle x6 M6 on 395 mm PCD
Shipping Information
Nett Weight 12.8 Kg / 28.22 lb.
Shipping Weight 14 Kg / 30.86 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 (40 to 400 Hz) Program 1200 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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