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21PW1400FE BEYMA 21" 1400 W 4" VOICE COIL NEW

by Beyma
$785.50
BRAND NEW

21PW1400FE BEYMA

21" 1400 W 4" VOICE COIL
  • High power handling: 1400 W
  • Malt Cross Cooling System
  • Low power compression looses
  • High sensitivity: 98,5 dB
  • FEA optimized ferrite magnetic circuit
  • Designed with MMSS technology for high control, linearity and low harmonic distortion
  • Optimized nonlinear parameters
  • Waterproof cone with treatment for both sides of the cone
  • 4" DUO double layer inner/outer voice coil
  • Aluminium demodulating ring
  • Extended controlled displacement: Xmax ± 10 mm
  • Massive mechanical displacement capability: Xdamage ± 55 mm
  • Resonant frequency 30 Hz
  • Electrical Q 0.36
  • Mechanical Q 7.40
  • Total Q factor 0.34
  • Suspension equivalent air volume 401.5 litres
  • DC resistance 5.2 Ω
  • Minimum impedance 5.4 Ω
  • Voice coil inductance 1.3 mH
  • Force factor 28.2 T·m
  • Suspension mechanical resistance 7.51 N·s/m
  • Suspension mechanical compliance 94 µm/N
  • Moving mass 247.7 g
  • Moving mass (including airload) 298 g
  • Surface of the diaphragm 1734 cm²
  • Effective diaphragm diameter 47 cm
  • Maximum linear excursion ± 10 mm
  • Excursion limit ± 27.5 mm
  • Displacement volume at Xmax 1729 cm³
  • Efficiency 2.83 %
  • Efficiency bandwidth product 83

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