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RCF L12/854K

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This item has either been discontinued by the manufacturer or is no longer available to purchase on our website.

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(800) 771-8330

12" Mid-Bass Driver


High efficiency mid-bass.

Very high sensitivity, excellent linearity and very low distortion.


  • 2.5-inch, Kapton former, copper voice coil
  • 700W continuous program power handling
  • 98 dB Sensitivity
  • 50 Hz - 3 kHz Frequency range
  • M-roll surround and exponential cone geometry


  • Nominal Diameter: 300 / 12 mm/inch
  • Rated Impedance: 8 Ω
  • Program Power: 700 W AES
  • Power handling capacity: 350 W AES
  • Sensitivity: 98 dB
  • Frequency Range: 50 Hz / 3000 Hz
  • Effective Piston Diameter: 260 / 10.2 mm/inch
  • Max Excursion Before Damage (peak to peak): 30 / 1.2 mm/inch
  • Minimum Impedance: 6.3 Ω
  • Voice Coil Diameter: 64 / 2.5 mm/inch
  • Voice Coil Material: Copper
  • Voice Coil Winding Depth: 10 / 0.4 mm/inch
  • Number of layers: 2
  • Kind of layer: outside
  • Top Plate Thickness: 8 / 0.3 mm/inch
  • Cone Material: No pressed pulp
  • Cone Design: Curved
  • Surround Material: Polycotton
  • Surround Design: M - roll
  • Resonance frequency: 67 Hz
  • DC resistance: 5.0Ω
  • Mechanical factor: 3.4
  • Electrical factor: 0.43
  • Total factor: 0.38
  • BL Factor: 13.7 T - m
  • Effective Moving Mass: 38 g
  • Equivalent Cas air load: 58 liters
  • Effettive piston area: 0.053 m(2)
  • Max. linear excursion (mathematical): 3.0 mm
  • Voice - coil inductance @ 1kHz: 1.1 mH
  • Half-space efficiency: 3.91%
  • Overall Diameter: 320 / 12.6 mm/inch
  • Bolt Circle Diameter: 296-304 / 11.7-12 mm/inch
  • Bolt Hole Diameter: 7 / 0.3 mm/inch
  • Front Mount Baffle Cut-out: 286 / 11.3 mm/inch
  • Rear Mount Baffle Cut-out: 284 / 11.2 mm/inch
  • Depth: 137 / 5.4 mm/inch
  • Volume occupied by the driver: 2.2 / 0.08 liters/ft(3)
  • Net Weight: 5.4 / 11.9 kg/lbs
  • Shipping weight: 5.9 / 13 kg/lbs


  • A very light moving mass, a curve response linear above 3 kHz makes the L12-854K a very good solution for high quality two or three way system.
  • Very easy to crossover and ideal in conjunction to small size 1 inch compression drivers.

Q & A

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Speaker Drivers & Parts
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13.00 lbs.
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