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Beyma
21PW1400FE BEYMA 21" 1400 W 4" VOICE COIL NEW
21PW1400FE BEYMA 21" 1400 W 4" VOICE COIL NEW
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$785.50
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$785.50
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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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