Precision Devices PD.121 12" Loudspeaker

Precision Devices  PD.121  12" Loudspeaker  NEW! AUTHORIZED DISTRIBUTOR!

BRAND NEW, UNOPENED

• • • SPECIFICATIONS
      Nominal Diameter	300 mm / 12"
      Voice Coil Diameter	63 mm / 2.5"
      Nominal Impedance	8 Ω
      Available In	4 Ω/ 8 Ω/ 16 Ω
      Power Rating	300 w (A.E.S.)
      Peak Power (6dB Crest Factor)	1200 w (A.E.S.)
      Sensitivity (1w / 1m)	99 dB
      Frequency Range	100 Hz - 6 kHz
      Recommended Enclosure Volume	10 - 60 Litres
      Resonance	53.27 Hz
      Voice Coil Winding Depth	12 mm / 0.47"
      Magnet Gap Depth	9 mm / 0.35"
      Flux Density Tesla	1.5 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	53.27 Hz
      Re	5.93 Ω
      Qms	14.66
      Qes	0.23
      Qts	0.23
      Le	0.42 mh
      L2	1.13 mh
      R2	12.2 Ω
      Vas	66.58 litres
      Mms	65.37 g
      Sd	530.93 cm2
      Cms	168.33 µm/N
      BL	21.46 T/m
      Xmax	2.7 mm
      Vd	0.143 litres
      Ref. Efficiency	5.10%

      MOUNTING AND SHIPPING INFORMATION
      Overall Diameter	330 mm
      Width Across Flats	320.5 mm
      Flange Height	10 mm
      Depth (Excl. Flange)	115 mm
      Magnet Diameter	200 mm
      Chassis Shoulder Diameter	282 mm
      Outer Bolt Circle	6 * M6 on 318mm PCD
      Inner Bolt Circle	8 * M6 on 293mm PCD
      Nett Weight	9.2 Kg / 20.28 lb.
      Shipping Weight	10 Kg / 22.05 lb.

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