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PDN.1852

Sub Bass Driver
  • Lightweight neodymium motor system
  • Heavy duty cast aluminium frame for increased rigidity
  • Aggressive bass response
  • A B/L in excess of 30 T/m for fast accurate lows
  • Dual silicone suspension
  • Warm tonal sound
  • Appropriate for applications as diverse as scoop bins, conventional reflex cabinets and horn loaded systems

Diameter

18" / 457.2 mm

Coil Diameter

5.0" / 127 mm

Power Rating

1000 W (A.E.S.)

Frequency Range

35 Hz - 2 kHz

Sensitivity

98 dB

Xmax

12 mm

Many of our customers in the roots/ reggae sectors favour the PD.1852 for its warm, growling, aggressive bass performance style in scoop bin / horn enclosures. Enquiries for a lightweight format driver possessing these same characteristics, the PDN.1852 was born.

The impressive performance and specifications of the two models are virtually identical, with the exception that the PDN.1852 only weighs 11.5 Kg, an over 50% reduction in weight versus the PD.1852! The PDN.1852 uses an FEA optimised, compact neodymium motor system configuration that allows for more efficient management of the electro magnetic flux and greatly reduces stray magnetic fields. This results in a smaller magnet providing the same power handling capability as the much larger ferrite based PD.1852. The motor system configuration and rear vent plate design have also been developed to allow effective heat dissipation and airflow around the 5-inch, in-house wound, copper voice coil which offers the potential for increased power handling and greatly reduced power compression effects.

The unit has a rated power handling of 1000w (AES) and exhibits an average sensitivity of 98dB across its usable frequency range of 35Hz to 2kHz. Thanks to the high performance, UK manufactured, dual silicon suspension, cone and surround, the unit displays exceptional mechanical stability, control and linearity with an Xmax of 12mm and BL force factor in excess of 30 T/m for producing fast accurate lows. This and other electro-dynamic parameters combine to form a low distortion, versatile and dynamic driver. Although intended for scoop bin and horn loaded systems, the unit also performs well in conventional reflex designs.

SKU: PDN.1852.8 Categories: , ,

£380.00 MRRP Ex. VAT

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General Specifications
Type Sub Bass Driver
Nominal Diameter 18" / 457.2 mm
Voice Coil Diameter 5.0" / 127 mm
Power Rating 1 2 * 1000 W (A.E.S.)
Available Impedance 4 Ω/ 8 Ω/ 16 Ω
Sensitivity (1W/ 1m)* 98 dB
Frequency Range 35 Hz - 2 kHz
Peak Power (6 dB Crest Factor) 4000 W (A.E.S.)
Resonance 41.85 Hz
Voice Coil Winding Depth 29 mm / 1.14 "
Recommended Enclosure Volume 90 -220 Litres
Flux Density 1.18 Tesla
Magnet Material Neodymium
Magnet Gap Depth 12 mm / 0.47 "
Former Material Glass Fibre
Dust Dome Material Paper
Voice Coil Material Copper
Cone Material Paper
Suspension Material Dual silicone
Surround Material HGBC
Thiele Small Parameters
Fs 41.85 Hz
Re 5.18 Ω
Qms 11.1
Qes 0.34
Qts 0.33
Le (@ 1 kHz) 0.9 mH
Vas 120.38 Litres
Mms 231.21 g
Sd 1164.16 cm²
Cms 0.063 mm/N
BL 30.47 T/m
Xmax 12 mm
Vd 1.397 Litres
Ref. Efficiency 2.34%
EBP 123.08 Hz
Dimensions & Mounting
Overall Diameter 474 mm
Width Across Flats 459 mm
Flange Height 14.5 mm
Depth (Excl. Flange) 185 mm
Magnet Diameter 166 mm
Chassis Shoulder Diameter 414.5 mm
Outer Bolt Circle 6x M8 on 455 mm PCD
Inner Bolt Circle N/A
Shipping Information
Nett Weight 11.5 Kg / 25.35 lb
Shipping Weight 12.9 Kg / 28.44 lb
Notes
*2.83V. Half space response measured in a 975 Litre sealed Enclosure.

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 (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.
Frequency Response & Impedance
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