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RCF Woofer LF18X401

RCF Woofer LF18X401
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Detaljnije o cenama

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Opis proizvoda:

 Very linear frequency response characteristics, extreme high power handling while generating the lowest harmonic distortion of any comparable 18-inch transducer within its application range.

The LF18X401 uses a fibre loaded cone assembly along with a high excursion triple roll surround. This combination provides remarkable strength and a peak to peak maximum excursion of 50 mm. The new dual forced hyper-venting system guarantee a very efficient voice coil ventilation for minimum power compression and incredible power handling.

 

  • 4-inch, fiberglass inside/outside copper voice coil
  • 3000W continuous program power handling
  • 97.5 dB Sensitivity
  • 25 Hz – 1 kHz Frequency range
  • Dual Forced Hyperventing System
  • Dual spider design with silicon based dampening control
  • Triple-roll surround and corrugated straight cone geometry

 

Karakteristike:

 

  • Nominal Diameter: 460 / 18 mm/inch
  • Rated Impedance: 8 Ω
  • Program Power: 3000 W AES
  • Power handling capacity: 1500 W AES
  • Sensitivity: 97.5 dB
  • Frequency Range: 25 Hz ÷ 1000 Hz
  • Effective Piston Diameter: 395 / 15.6 mm/inch
  • Max Excursion Before Damage (peak to peak): 50 / 1.97 mm/inch
  • Minimum Impedance: 6.5 Ω
  • Voice Coil Diameter: 100 / 4 mm/inch
  • Voice Coil Material: Copper
  • Voice Coil Winding Depth: 30 / 1.18 mm/inch
  • Number of layers: 2
  • Kind of layer: inside / outside
  • Top Plate Thickness: 15 / 0.6 mm/inch
  • Cone Material: No pressed pulp
  • Cone Design: Straight
  • Surround Material: Polycotton
  • Surround Design: Triple roll

 

Thiele/Small Parameters
  • Resonance frequency: 30 Hz
  • DC resistance: 5.4Ω
  • Mechanical factor: 7.4
  • Electrical factor: 0.31
  • Total factor: 0.30
  • BL Factor: 26.5 T · m
  • Effective Moving Mass: 215 g
  • Equivalent Cas air load: 274 liters
  • Effettive piston area: 0.122
  • Max. linear excursion (mathematical): 11.5 mm
  • Voice - coil inductance @ 1kHz: 2,5 mH
  • Half-space efficiency: 2.30%
Mounting information
  • Overall Diameter: 465 / 18.3 mm/inch
  • Bolt Circle Diameter: 442-447 / 17.4-17.6 mm/inch
  • Bolt Hole Diameter: 6.5 / 0.25 mm/inch
  • Front Mount Baffle Cut-out: 424 / 16.7 mm/inch
  • Rear Mount Baffle Cut-out: 424 / 16.7 mm/inch
  • Depth: 188 / 7.4 mm/inch
  • Volume occupied by the driver: 6.5 / 0.23 liters/ft³
  • Net Weight: 13.3 / 29.3 kg/lbs
Shipping information
  • Shipping weight: 14.3 / 31.5 kg/lbs
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