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12mh32%2000W1siziisijiwmtmvmdevmtuvmduvmjmvmjevntcyl2zpbguixsxbinailcj0ahvtyiisijeymdb4njawil0swyjliiwicg5nil1d12mh32rear_b
Continuous Power Handling
Voice Coil Diameter
Magnet Material
 
 
 

Key Features

  • 800 W continuous program power capacity
  • 76 mm (3 in) copper voice coil
  • 50 - 3000 Hz response
  • 101 dB sensitivity
  • Aluminium demodulating ring allows a very low distortion figure

Specifications

  • Nominal Diameter320 mm (12.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance6.5 Ω
  • Nominal Power Handling1400 W
  • Continuous Power Handling2800 W
  • Sensitivity3101.0 dB
  • Frequency Range50 - 3000 Hz
  • Voice Coil Diameter76 mm (3.0 in)
  • Winding MaterialCopper
  • Former MaterialGlass Fibre
  • Winding Depth14.0 mm (0.55 in)
  • Magnetic Gap Depth8.0 mm (0.31 in)
  • Flux Density1.4 T

Design

  • Surround ShapeDouble Roll
  • Cone ShapeRadial
  • Magnet MaterialFerrite
  • SpiderSingle
  • Pole DesignT-Pole
  • Woofer Cone TreatmentWP Waterproof Front Side

Parameters4

  • Resonance Frequency53 Hz
  • Re5.2 Ω
  • Qes0.2
  • Qms7.2
  • Qts0.19
  • Vas63.0 dm3 (2.2 ft3)
  • Sd522.0 cm2 (80.9 in2)
  • η₀4.8 %
  • Xmax5.0 mm
  • Xvar7.0 mm
  • Mms54.0 g
  • Bl22.3 Txm
  • Le0.83 mH
  • EBP265 Hz

Mounting And Shipping Info

  • Overall Diameter316 mm (12.4 in)
  • Bolt Circle Diameter296 mm (11.6 in)
  • Baffle Cutout Diameter282.0 mm (11.1 in)
  • Depth133 mm (5.24 in)
  • Flange and Gasket Thickness12 mm (0.49 in)
  • Air Volume Occupied by Driver3.3 dm3 (0.12 ft3)
  • Net Weight7.6 kg (16.7 lb)
  • Shipping Units1
  • Shipping Weight8.5 kg (18.74 lb)
  • Shipping Box360x360x200 mm (14.17x14.17x7.87 in)

Service Kit

  • RCK012MH328
  • 2 hours test made with continuous pink noise signal (6 dB crest factor) within the range Fs-10Fs. Power calculated on rated minimum impedance. Loudspeaker in free air.
  • Power on Continuous Program is defined as 3 dB greater than the Nominal rating.
  • Applied RMS Voltage is set to 2.83 V for 8 ohms Nominal Impedance.
  • Thiele-Small parameters are measured after a high level 20 Hz sine wave preconditioning test.