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Diaphragm Material
Magnet Material
LF Voice Coil Diameter
HF Voice Coil Diameter
LF Continuous Power Handling
 
 
 
 
 
 
 
 

Features

  • 700 W continuous program power capacity
  • 60°x40° nominal coverage
  • 45 - 18000 Hz response
  • 99 dB sensitivity
  • Single Neodymium magnet assembly
  • Modified exponential horn flare for improved acoustic loading and controlled coverage
  • 33 mm (1.3”) HF unit exit diameter

Specifications

  • Nominal Diameter320 mm (12.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance LF6.7 Ω
  • Minimum Impedance HF8.0 Ω
  • Frequency Range45 - 18000 Hz
  • Dispersion Angle160°x40° °
  • Magnet MaterialNeodymium Ring

specifications hf unit

  • LF Sensitivity299.0 dB
  • LF Nominal Power Handling3350 W
  • LF Continuous Power Handling4700 W
  • LF Voice Coil Diameter76 mm (3.0 in)
  • LF Winding MaterialCopper
  • LF Flux Density1.15 T
  • Former MaterialGlass Fibre
  • Winding Depth16.5 mm (0.65 in)
  • Magnetic Gap Depth8.0 mm (0.31 in)

specifications lf unit

  • HF Sensitivity5107.0 dB
  • HF Nominal Power Handling680 W
  • HF Continuous Power Handling7160 W
  • HF Voice Coil Diameter75 mm (3.0 in)
  • HF Winding MaterialAluminium
  • HF Flux Density1.9 T
  • Diaphragm MaterialTitanium
  • Recommended Crossover81.2 kHz
  • Inductance0.14 mH

parameters

  • Resonance Frequency42 Hz
  • Re5.0 Ω
  • Qes0.2
  • Qms8.0
  • Qts0.19
  • Vas120.0 dm3 (4.2 ft3)
  • Sd522.0 cm2 (80.9 in2)
  • η₀4.1 %
  • Xmax4.0 mm
  • Maximum Excursion6.0 mm
  • Mms47.0 g
  • Bl17.6 Txm
  • Le0.8 mH
  • EBP210 Hz

Mounting and Shipping Info

  • Overall Diameter315 mm (12.4 in)
  • Bolt Circle Diameter298 mm (11.7 in)
  • Baffle Cutout Diameter283 mm (11.14 in)
  • Depth168 mm (6.6 in)
  • Flange and Gasket Thickness14 mm (0.55 in)
  • Net Weight5.2 kg (12.3 lb)
  • Shipping Units1
  • Shipping Weight6.5 kg (14.33 lb)
  • Shipping Box425x425x224 mm (16.73x16.73x8.82 in)

service kit

  • Service Kit LFRCK12HCX768
  • Replacement diaphragmMMD3BTN8M
  • Included by –6 dB down points.
  • Applied RMS Voltage is set to 2.83V.
  • 2 hours test made with continuous pink noise signal within the range Fs-10Fs. Power calculated on rated nominal 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 2.83V.
  • 2 hour test made with continuous pink noise signal within the range from the recommended crossover frequency to 20 kHz. Power calculated on rated nominal impedance. Loudspeaker in free air.
  • Power on Continuous Program is defined as 3 dB greater than the Nominal rating.
  • 12 dB/oct. or higher slope high-pass filter.
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