Precision Devices PD.184C01 18" Bass Driver

Precision Devices  PD.184C01   18" Bass Driver  NEW! AUTHORIZED DISTRIBUTOR!

BRAND NEW, UNOPENED

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      SPECIFICATIONS
      Nominal Diameter	18" / 460 mm
      Nominal Impedance	8 Ω
      Available Impedance	4 /8 /16 Ω
      Voice Coil Diameter	4.0" / 101 mm
      Power Rating	700 W (A.E.S.)
      Peak Power (6dB Crest Factor)	2800 W (A.E.S.)
      Sensitivity (1w / 1m)	98 dB
      Frequency Range	40 Hz - 1 kHz
      Recommended Enclosure Volume	100 - 300 Litres
      Resonance	30 Hz
      Voice Coil Winding Depth	22 mm / 0.87"
      Magnet Gap Depth	11 mm / 0.43"
      Flux Density	0.98 Tesla
      Magnet Material	Ceramic
      Voice Coil Material	Copper
      Former Material	Glass Fibre
      Dust Dome Material	Paper
      Suspension Material	Fabric
      Cone Surround Material	Paper / Fabric

      THIELE SMALL PARAMETERS
      Fs	30 Hz
      Re	4.81 Ω
      Qms	15.2
      Qes	0.23
      Qts	0.23
      Le	0.47 mH
      L2	1.56 mH
      R2	57.43 Ω
      Vas	337.07 Litres
      Mms	163.37 g
      Sd	1164.16 cm²
      Cms	0.18 mm/N
      Bl	25.21 T/m
      Xmax	8 mm
      Xlim (+/-)	16 mm
      Vd	0.931 Litres
      Reference Efficiency	3.65 %

      MOUNTING AND SHIPPING INFORMATION
      Overall Diameter	474 mm
      Width Across Flat	459 mm
      Flange Height	14.5 mm
      Depth	174 mm
      Magnet Diameter	225 mm
      Chassis Shoulder Diameter	415.5 mm
      Outer Bolt Circle	6x M8 on 455 mm PCD
      Inner Bolt Circle	N/A
      Nett Weight	14 Kg / 30.86 lb
      Shipping Weight	15.25 Kg / 33.62 lb

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