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PD.154NR1

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
  • Dual spider configuration with silicone based damping control
  • 4″ High temperature CCAW voice coil
  • For two way ported applications and bass reinforcement in reflex and horn loaded design enclosures
  • Rear aluminum heat sink
Klippel Verifeid
Radial Neo Technology

Diameter

15" / 381 mm

Coil Diameter

4.0" / 101.6 mm

Power Rating

900 W (A.E.S.)

Frequency Range

45 Hz - 4 kHz

Sensitivity

99 dB

Xmax

8.5 mm

The PD.154NR1 is intended as a high power upper bass driver in multiway systems, the unit can also be used as a dedicated woofer in bass reflex and horn loaded designs. 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 4-inch, high temperature, CCAW voice coil capable of handling 700W (AES) the PD.154NR1 exhibits an average sensitivity of 97dB across its working band and will produce an SPL of 127.5 dB in an 85Ltr ported enclosure tuned to 50Hz.

SKU: PD.154NR1.8 Categories: , , Tag:

SPECIAL ORDER PRODUCT.

This model is part of our OEM series and will be manufactured to order, please get in touch with us for more information.

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Frequency Response Graph
Impedance GRAPH
General Specifications
Type Bass / Low-Mid Range Driver
Nominal Diameter 15" / 381 mm
Voice Coil Diameter 4.0" / 101.6 mm
Power Rating 1 2 * 900 W (A.E.S.)
Available Impedance 4 Ω/ 8 Ω/ 16 Ω
Sensitivity (1W/ 1m)* 99 dB
Frequency Range 45 Hz - 4 kHz
Peak Power (6 dB Crest Factor) 3600 W (A.E.S.)
Resonance 46 Hz
Voice Coil Winding Depth 0.87" / 22.00 mm
Recommended Enclosure Volume 75 - 200 Litres
Flux Density 1.25 Tesla
Magnet Material Neodymium
Magnet Gap Depth 11.00 mm / 0.43"
Former Material Glass Fibre
Dust Dome Material Solid Paper
Voice Coil Material Copper Clad Aluminium
Cone Material Paper
Suspension Material Poly Cotton / silicone damping
Surround Material M Roll Poly Cotton
Thiele Small Parameters
Fs 46 Hz
Re 6.1 Ω
Qms 7
Qes 0.43
Qts 0.4
Le (@ 1 kHz) 1.730 mH
Vas 158 Litres
Mms 84.00 g
Sd 897 cm2
Cms 138.00 µm/N
BL 18.50 T/m
Xmax 8.5 mm
Vd 0.760 Litres
Ref. Efficiency 3.50%
EBP 106.98 Hz
Dimensions & Mounting
Overall Diameter 408.3 mm
Width Across Flats 395
Flange Height 11.00 mm
Depth (Excl. Flange) 180.00 mm
Magnet Diameter 138 mm
Chassis Shoulder Diameter 356 mm
Outer Bolt Circle x6 M6 on 395 mm PCD
Inner Bolt Circle N/A
Shipping Information
Nett Weight 8.00 Kg / 17.64 lb
Shipping Weight 8.40 Kg / 18.52 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 700 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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