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PD.155NR1

Bass / Low-Mid Range Driver
  • Radial neodymium motor structure
  • Vented cast aluminium chassis for improved thermal control of voice coil
  • Forced air cooling vented voice coil gap
  • Aluminium demodulation ring
  • 5″ High temperature copper voice coil
  • For two way ported applications and bass reinforcement in bass reflex / horn loaded enclosures
  • Rear aluminum heat sink
Klippel Verifeid
Radial Neo Technology

Diameter

15" / 381 mm

Coil Diameter

5.0" / 127 mm

Power Rating

1000 W (A.E.S.)

Frequency Range

45 Hz - 2 kHz

Sensitivity

98.5 dB

Xmax

12 mm

The PD.155NR1 is intended as a dedicated woofer in bass reflex and horn loaded designs. The unit is also capable as a high power upper bass driver in multiway systems. The optimised radial neodymium motor system allows more efficient management of the magnetic flux, forced air venting and rear aluminium base plate keeps the motor temperature under control and reduces power compression to a minimum. The unit features a 5-inch high temperature copper voice coil capable of handling 900W (AES) the PD.155NR1 exhibits an average sensitivity of 97dB across its working band.

SKU: PD.155NR1.8 Categories: , , Tag:

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Frequency Response Graph
Impedance GRAPH
General Specifications
TypeBass / Low-Mid Range Driver
Nominal Diameter15" / 381 mm
Voice Coil Diameter5.0" / 127 mm
Power Rating 1 2 *1000 W (A.E.S.)
Available Impedance4 Ω/ 8 Ω/ 16 Ω
Sensitivity (1W/ 1m)*98.5 dB
Frequency Range45 Hz - 2 kHz
Peak Power (6 dB Crest Factor)4000 W (A.E.S.)
Resonance37 Hz
Voice Coil Winding Depth1.20" / 30.50 mm
Recommended Enclosure Volume75 - 200 Litres
Flux Density1.18 Tesla
Magnet MaterialNeodymium
Magnet Gap Depth13.00 mm / 0.51"
Former MaterialGlass Fibre
Dust Dome MaterialSolid Paper
Voice Coil MaterialCopper
Cone MaterialPaper
Suspension MaterialPoly Cotton
Surround MaterialM Roll Poly Cotton
Thiele Small Parameters
Fs37 Hz
Re5.4 Ω
Qms6.1
Qes0.237
Qts0.228
Le (@ 1 kHz)2.350 mH
Vas140 Litres
Mms154.00 g
Sd895 cm2
Cms123.20 µm/N
BL28.60 T/m
Xmax12 mm
Vd0.980 Litres
Ref. Efficiency2.77%
EBP156.12 Hz
Dimensions & Mounting
Overall Diameter408.30 mm
Width Across Flats458.73 mm
Flange Height11.00 mm
Depth (Excl. Flange)210.00 mm
Magnet Diameter168 mm
Chassis Shoulder Diameter415.00 mm
Outer Bolt Circlex6 M8 on 394 mm PCD
Inner Bolt CircleN/A
Shipping Information
Nett Weight10.00 Kg / 22.05 lb
Shipping Weight11.00 Kg / 24.25 lb
Notes
* Half space response measured in a 950 Litre sealed enclosure.

*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.

** Distortion is measured at 10% of the rated power (AES Standard).

1. AES Standard (45 to 450 Hz) Program 800 Watts.

2. AES Recommended Practice.

3. Thiele - Small Parameters follow a 800 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.
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