RCF LF21N551 21" Woofer LOW SHIPPING!! AUTHORIZED DISTRIBUTOR!!!

RCF
Price:
$1,099.00

Description

RCF LF21N551 

8 ohm. 

801-589-2029

 

 

MESSAGE with any questions!!!
We have all the other major PRO Audio Speaker Brands and Models.
We sell to Dealers as well.
GENERAL 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
THIELE/SMALL PARAMETERS
  • 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

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