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12HPL76

LF Drivers 12.0 inches

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Continuous Power Handling
Voice Coil Diameter
Magnet Material
Alternative/Current Model 12NDL76
 
 
 

Key Features

  • 700 W continuous program power capacity
  • 76 mm (3 in) aluminium voice coil
  • 50 - 3500 Hz response
  • 99 dB sensitivity
  • Neodymium magnet allows a very light yet powerful motor assembly
  • Ventilated voice coil gap for reduced power compression

Specifications

  • Nominal Diameter320 mm (12.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance6.7 Ω
  • Nominal Power Handling1350 W
  • Continuous Power Handling2700 W
  • Sensitivity399.0 dB
  • Frequency Range50 - 3500 Hz
  • Voice Coil Diameter76 mm (3.0 in)
  • Winding MaterialAluminium
  • Former MaterialGlass Fibre
  • Winding Depth18.0 mm (0.68 in)
  • Magnetic Gap Depth10.0 mm (0.4 in)
  • Flux Density1.15 T

Design

  • Surround ShapeDouble Roll
  • Cone ShapeExponential
  • Magnet MaterialNeodymium Inside Slug
  • SpiderSingle
  • Pole DesignStraight Pole
  • Woofer Cone TreatmentNone
  • Recommended Enclosure40.0 dm3 (1.41 ft3)
  • Recommended Tuning70 Hz

Parameters4

  • Resonance Frequency49 Hz
  • Re6.0 Ω
  • Qes0.26
  • Qms2.5
  • Qts0.25
  • Vas91.0 dm3 (3.2 ft3)
  • Sd522.0 cm2 (80.9 in2)
  • η₀4.1 %
  • Xmax4.0 mm
  • Xvar5.5 mm
  • Mms43.0 g
  • Bl17.3 Txm
  • Le1.5 mH
  • EBP188 Hz

Mounting And Shipping Info

  • Overall Diameter315 mm (12.4 in)
  • Bolt Circle Diameter296 mm (11.6 in)
  • Baffle Cutout Diameter282.0 mm (11.1 in)
  • Depth144 mm (5.7 in)
  • Flange and Gasket Thickness13 mm (0.5 in)
  • Air Volume Occupied by Driver0.0 dm3 (0.0 ft3)
  • Net Weight3.2 kg (7.0 lb)
  • Shipping Units1
  • Shipping Weight4.1 kg (9.04 lb)
  • Shipping Box360x360x200 mm (14.17x14.17x7.87 in)

Service Kit

  • RCK012HPL768
  • 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.
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