SAF214.50
4000W Professional 21″ Subwoofer
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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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