PD.1852

Sub Bass Driver
  • Heavy-duty cast aluminium chassis for increased rigidity
  • Power compression only 1.7dB at rated power
  • A B/L in excess of 30 T/m
  • Double suspension
  • Appropriate for applications as diverse as scoop bins, conventional reflex cabinets and horn loaded systems
  • Silicone suspension system
  • Increased excursion over an 1850/2
  • Delivers fine and balanced tonal character, but equally can deliver aggressive bass in the lower bandwidths
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Download PDF Datasheet
General Specifications
Nominal Diameter18" / 457.2 mm
Voice Coil Diameter5.0" / 127 mm
Available Impedances4 Ω/ 8 Ω/ 16 Ω
Power Rating 1 2 *1000 w (A.E.S.)
Peak Power (6dB Crest Factor)*4000 w (A.E.S.)
Sensitivity (1W – 1m)*98 dB
Frequency Range35 Hz - 2 kHz
Recommended Enclosure Volume90 - 220 Litres
Resonance41.85 Hz
Voice Coil Winding Depth29 mm / 1.14"
Magnet Gap Depth12 mm / 0.47"
Flux Density1.18 Tesla
Magnet MaterialCeramic
Magnet Weight
Voice Coil MaterialCopper
Former MaterialGlass Fibre
Dust Dome MaterialPaper
Suspension MaterialDual silicone
Cone MaterialPaper
Surround MaterialHGBC
Thiele Small Parameters
Fs41.85 Hz
Re5.18 Ω
Qms11.1
Qes0.34
Qts0.33
Le (@1 kHz)
Le (@10 kHz)0.9 mh
Vas120.38 litres
Mms231.21 g
Sd1164.16 cm2
Cms63 µm/N
BL30.47 T/m
Xmax12 mm
Vd1.397 litres
Ref. Efficiency2.34%
EBP123.08 Hz

 

Dimensions & Mounting
Overall Diameter474 mm
Widths Across Flats459 mm
Flange Height14.5 mm
Depth (Excl. Flange)178 mm
Magnet Diameter280 mm
Chassis Shoulder Diameter414.5 mm
Outer Bolt Circle6 * M8 on 455mm PCD
Inner Bolt CircleN/A

 

Shipping Information
Nett Weight25 Kg / 55.11 lb.
Shipping Weight28.3 Kg / 62.39 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 (35 to 350 Hz) Program 1600 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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