RCF LF21N451 21" Neo Subwoofer Hoparlör, 1500/3000W, 4.5" Bobin, 30-1000Hz

  • Barkod: 2242005126417
  • Marka: RCF
  • Kategori: Woofer
  •  
Stok durumu veya tedarik süresini sorunuz: 0 (533) 592 49 10
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  • FEATURES

  • 4,5 - inch Inside/Outside copper voice coil

  • 3000 Watt continuous program power handling

  • 98.5 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 34.5 Txm to provide a faster and accurate low frequency

 

  • GENERAL SPECIFICATIONS

  • Nominal Diameter:530 / 21 mm/inch

  • Rated Impedance:8 Ω

  • Program Power:3000 W AES

  • Power handling capacity:1500 W AES

  • Sensitivity:98.5 dB

  • Frequency Range:30 Hz ÷ 1000 Hz

  • Effective Piston Diameter:470 / 18.5 mm/inch

  • Max Excursion Before Damage (peak to peak):58 / 2.28 mm/inch

  • Minimum Impedance:7.1 Ω

  • Voice Coil Diameter:115 / 4.5 mm/inch

  • Voice Coil Material:Copper

  • Voice Coil Winding Depth:34 / 1.33 mm/inch

  • Number of layers:2

  • Kind of layer:inside / outside

  • Top Plate Thickness:15 / 0.6 mm/inch

  • Cone Material:No pressed pulp carbon fiber reinforced

  • Cone Design:Curved

  • Surround Material:Polycotton

  • Surround Design:Triple roll

 

  • THIELE/SMALL PARAMETERS

  • DC resistance:5.6Ω

  • Mechanical factor:6

  • Electrical factor:0.27

  • Total factor:0.26

  • BL Factor:34.5 T · m

  • Effective Moving Mass:315 g

  • Equivalent Cas air load:375 liters

  • Effettive piston area:0.173 m²

  • Max. linear excursion (mathematical):13.2 mm

  • Voice - coil inductance @ 1kHz:3.0 mH

  • Half-space efficiency:4.0%

 

  • MOUNTING INFORMATION

  • 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:250 / 9.8 mm/inch

  • Volume occupied by the driver:6.5 / 0.229 liters/ft³

  • Net Weight:10.9 / 24 kg/lbs

 

  • SHIPPING INFORMATION

  • Shipping weight:12.1 / 26.6 kg/lbs

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