RCF LF21X451 21

RCF LF21X451 21" Woofer FREE SHIPPING!! AUTHORIZED DISTRIBUTOR!!!

Regular price $732.00 Sale


RCF LF21X451

8 ohm

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:28 Hz ÷ 1000 Hz
  • Effective Piston Diameter:470 / 18.5 mm/inch
  • Max Excursion Before Damage (peak to peak):54 / 2.12 mm/inch
  • Minimum Impedance:6.7 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
  • Cone Design:Curved
  • Surround Material:Polycotton
  • Surround Design:Triple roll
THIELE/SMALL PARAMETERS
  • Resonance frequency:28 Hz
  • DC resistance:5.4Ω
  • Mechanical factor:6.9
  • Electrical factor:0.39
  • Total factor:0.37
  • BL Factor:30.5 T · m
  • Effective Moving Mass:355 g