Precision Devices International Limited Precision Devices Made in UK
PD.184C01 - Out now PD.123C01 - out now the precision dna PD.155N01

PD.155N01 - Bass Driver

  • Lightweight neodymium motor system.
  • Heavy duty cast aluminium frame for increased rigidity.
  • Low distortion.
  • Long driver excursion.
  • Suitable for bass reflex or closed box designs but also works well in horn loaded designs.
  • Provides bass coverage in the PD.155TXN01 triaxial driver.


Offering the ultimate hi fidelity sound experience from a pro audio product, the PD.155N01 has been developed as an 'enclosure friendly' driver offering low distortion and outstanding imaging with hi-fi sound quality and clarity. Perfectly at home as a dedicated woofer in bass reflex and closed box designs, the units flexibility also allows it to be used for upper bass in horn loaded systems. Furthermore the PD.155N01 is a key component, providing the 'low end' coverage, of the PD.155TXN01 triaxial driver.

High grade neodymium is used in the compact, FEA optimised, motor system configuration that enables more efficient management of the electromagnetic flux and reduces stray magnetic fields along with significant weight reduction. Featuring a 5", in-house wound, copper voice coil capable of handling 700W (AES) the PD.155N01 exhibits an average sensitivity of 98dB. Specially chosen for their desirable acoustic properties, UK manufactured cone and surround combine with a single spider suspension to enable excellent linear piston action, low distortion and mechanical stability across the entire working range. With an Xmax of 10.5 mm the PD.155N01 has a maximum mechanical peak to peak limit of 40 mm before damage.

 


*2.83V. Half space response measured in a 975 Litre sealed Enclosure. Blue Line = fundamental 45° off-axis.

1. AES Standard (35 to 350 Hz)
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.

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SPECIFICATIONS
Nominal Diameter15" / 380 mm
Nominal Impedance8 Ω
Available Impedance4 /8 /16 Ω
Voice Coil Diameter5.0" / 127 mm
Power Rating700 W (A.E.S.)
Peak Power (6dB Crest Factor)2800 W (A.E.S.)
Sensitivity (1w / 1m)98 dB
Frequency Range45 Hz - 1.5 kHz
Recommended Enclosure Volume80 - 200 Litres
Resonance45 Hz
Voice Coil Winding Depth25 mm / 0.98"
Magnet Gap Depth9 mm / 0.35"
Flux Density1.05 Tesla
Magnet MaterialNeodymium
Voice Coil MaterialCopper
Former MaterialGlass Fibre
Dust Dome MaterialPaper
Suspension MaterialFabric
Cone Surround MaterialPaper / Fabric
THIELE SMALL PARAMETERS
Fs45 Hz
Re6.42 Ω
Qms13.41
Qes0.32
Qts0.31
Le0.61 mH
L21.50 mH
R260.64 Ω
Vas113.42 Litres
Mms119.82 g
Sd907.92 cm²
Cms0.10 mm/N
Bl26.53 T/m
Xmax10.5 mm
Xlim (+/-)20 mm
Vd0.953 Litres
Reference Efficiency3.43 %
MOUNTING AND SHIPPING INFORMATION
Overall Diameter410 mm
Width Across Flat395 mm
Flange Height10 mm
Depth158 mm
Magnet Diameter166 mm
Chassis Shoulder Diameter357 mm
Outer Bolt Circle6x M6 on 395 mm PCD
Inner Bolt Circle8x M6 on 370 mm PCD
Nett Weight9.5 Kg / 20.94 lb
Shipping Weight11 Kg / 24.25 lb
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