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RCF LF21N551, Woofer 21", 1800 Watt RMS / 8 Ohm

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Vare: PAH0013774-000
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Der LF21N551 Lautsprecher ist ein 53 cm Tieftöner mit einer Papier-Membran. Der Lautsprecher-Korb wurde mittels Druckgussverfa...  Alle vareoplysninger
RCF

891,80 € ca. 6.632,23 DKK
inkl. lovpligtig moms, inkl. Forsendelsesomkostninger
leverbar på mellemlangt sigt, leveringsdato: 19-12-2016
Standardforsendelse

over 199 € gratis (inden for Danmark)

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+49 (0)221 / 88 84 - 1610
+49 (0)221 / 88 84 - 2500

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RCF LF21N451, Lautsprecher 21"

Der LF21N551 Lautsprecher ist ein 53 cm Tieftöner mit einer Papier-Membran. Der Lautsprecher-Korb wurde mittels Druckgussverfahren hergestellt. Das Magnet-System, des Klanggebers besteht aus Neodym-Magneten die den Lautsprecher antreiben.

Features:

  • 5.3 - inch Inside/Outside copper voice coil
  • 4000 Watt continuous program power handling
  • 97 dB Sensitivity
  • 30 Hz - 1 kHz Frequency range
  • Dual-forced air ventilation for minimum power compression
  • Dual spider designed with silicon based damping control
  • BL of 39 Txm to provide a faster and accurate low frequency

Specifications:

  • Nominal Diameter: 530 / 21 mm/inch
  • Rated Impedance: 8 Ω
  • Program Power: 4000 W AES
  • Power handling capacity: 2000 W AES
  • Sensitivity: 97 dB
  • Frequency Range: 30 Hz ÷ 1000 Hz
  • Effective Piston Diameter: 470 / 18.5 mm/inch
  • Max Excursion Before Damage (peak to peak): 72 / 2.83 mm/inch
  • Minimum Impedance: 7.1 Ω
  • Voice Coil Diameter: 135 / 5.3 mm/inch
  • Voice Coil Material: Copper
  • Voice Coil Winding Depth: 39 / 1.54 mm/inch
  • Number of layers: 2
  • Kind of layer: inside / outside
  • Top Plate Thickness: 18 / 0.71 mm/inch
  • Cone Material: No pressed pulp carbon fiber reinforced
  • Cone Design: Curved
  • Surround Material: Polycotton
  • Surround Design: Triple roll
  • Resonance frequency: 35 Hz
  • DC resistance: 5.2Ω
  • Mechanical factor: 6.2
  • Electrical factor: 0.35
  • Total factor: 0.33
  • BL Factor: 39 T · m
  • Effective Moving Mass: 434 g
  • Equivalent Cas air load: 200 liters
  • Effettive piston area: 0.173 m²
  • Max. linear excursion (mathematical): 15 mm
  • Voice - coil inductance @ 1kHz: 3.2 mH
  • Half-space efficiency: 2.40%
  • Overall Diameter: 547 / 21.5 mm/inch
  • Bolt Circle Diameter: 527 / 20.7 mm/inch
  • Bolt Hole Diameter: 6.5 / 0.25 mm/inch
  • Front Mount Baffle Cut-out: 512 / 20.1 mm/inch
  • Rear Mount Baffle Cut-out: 512 / 20.1 mm/inch
  • Depth: 245 / 9.65 mm/inch
  • Volume occupied by the driver: 7.2 / 0.25 liters/ft³
  • Net Weight: 13.7 / 30.2 kg/lbs

Funktioner:

  • Producent: RCF
  • Size (Inches): 21
  • Effekt (watt): 1.500
  • Impedans (ohm): 8
  • Frekvensrespons fra (Hz): 30
  • Frekvensrespons på (Hz): 1.000
  • Følsomhed (dB): 98,5
  • Magnet: Neodymium
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Export
+49 (0)221 / 88 84 - 1610
+49 (0)221 / 88 84 - 2500
export@musicstore.de