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SAF214.50

4000W Professional 21″ Subwoofer

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Estimated Delivery:
15 - 22 Sep, 2024
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Description

FEATURES
  • 4.5 INCH COPPER VOICE COIL
  • 95.5 dB/SPL SENSITIVITY
  • 4000 WATT PROGRAM POWER HANDLING
  • FEM OPTIMIZED MOTOR AND SUSPENSION
  • 43.5 mm (1.7 INCH) PEAK TO PEAK MAXIMUM EXCURSION 
  • OPTIMIZED COOLING SISTEM
  • DOUBLE SILICON SPIDER
  • TRIPLE ROLL SURROUND
GENERAL SPECIFICATIONS
  • Nominal diameter mm (in) : 530 (21)
  • Nominal Impedance (Ohm) : 8
  • Minimum impedance (Ohm) : 6,8
  • Program power (w) : 4000
  • AES Power rating (w) : 2000
  • Sensitivity (dB) : 95,5
  • Frequency range (Hz) : 30 ÷ 1000
  • Voice coil diameter mm (in) : 115 (4.5)
  • Chassis material : Aluminium
  • Magnet material : Ferrite
  • Magnet dimensions OD x ID x h mm (in) : 240 x 120 x 30 (9.45 x 4.72 x 1.18)
  • Coil material : Copper
  • Former material : Glass Fiber
  • Cone material : Water Resistant Treated Paper + Water Proof Front Side Treatment
  • Surround material : Polycotton
  • Xmax mm (in) : 12,5 (0.49)
  • Xmech mm (in) : 21,8 (0.86)
  • Gap height mm (in) : 15 (0.59)
  • Voice coil winding height mm (in) : 32,5 (1.28)
  • Driver displacement volume l (ft³) : 11,85 (0.418)
  • Recommended Enclosure (Hz) : 33
SMALL SIGNAL PARAMETERS
  • DC resistance (Re) Ohm : 5,7
  • Resonance frequency (Fs) Hz : 33
  • Moving mass (Mms) g (oz) : 378 (13.34)
  • Compliance (Cms) : 0,062
  • Force factor (Bxl) N/A : 29,2
  • Mechanical Q-factor (Qms) : 8,02
  • Electrical Q-factor (Qes) : 0,52
  • Total Q-factor (Qts) : 0,49
  • Equivalent air volume (Vas)  l (ft3) : 241,61 (8.53)
  • Voice coil inductance (Le) mH : 2,87
  • Diaphragm area (Sd) cm2 (in.2) : 1662 (257.6)
  • Reference efficiency (Eta 0) : 1,59%
  • Efficiency bandwidth product (EBP) Hz : 63
SHIPPING INFORMATION
  • Net weight kg (lb) : 17,8 (39.2)
  • Multipack size W x D x H mm x mm x mm (in x in x in) : 642 x 642 x 286 (25.3 x 25.3 x 11.3)
  • Multipack weight kg (lb) : 23,2 (51.1)

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