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Key features
- 4 INCH COPPER VOICE COIL
- 99 dB/SPL SENSITIVITY
- 1400 WATT PROGRAM POWER HANDLING
- FEM OPTIMIZED MOTOR AND SUSPENSIONS
- OPTIMIZED COOLING SYSTEM
- DOUBLE SILICON SPIDER
Technical specifications
Nominal Diameter: 460 mm (18in)
Impedance: 8 Ohm
Minimum Impedance: 5.8 Ohm
AES Power: 700 W
Program Power: 1400 W
Sensitivity: 99 dB
Frequency Range: 30 -1400 Hz
Voice Coil Material: Copper
Voice Coil Former: Glass Fiber
Voice Coil Depth: 19 mm (0.75in)
Magnetic Gap Depth: 11 mm (0.43in)
Cone Material: Water Resistant Treated Paper + Water Proof Both Sides Treatment
Surround Material: Polycotton
Chassis Material: Aluminium
Magnet Material: Ferrite
Magnet Dims: 220 x 110 x 25 mm
Driver Displacement Volume: 8.5 l (0.3ft3)
Recommended Enclosure: 159 l (5.62ft3)
Recommended Tuning: 40 Hz
Thiele and small parameters
DC Resistance (Re) - 4.9 Ohm
Resonance (Fs) - 33 Hz
Moving Mass - System (Mms) - 198.3 g
Compliance (Cms) - 0.121 mm/N
Force Factor (BL) - 25.76 Tm
Mechanical Q (Qms) - 7.98
Electrical Q (Qes) - 0.3
Total Q (Qts) - 0.29
Compliance Equivalent Volume (Vas) - 257.25 L
Voice Coil Inductance (Le) - 1.62 mH
Diaphragm Area (Sd) - 1225.4 cm2
Reference Efficiency (Eta Zero) - 2.84% %
Efficiency Bandwidth Product (EBP) - 40
Maximum Linear Excursion (Xmax) - 6.8 mm
Maximum Mechanical Excursion (Xmech) - 13 mm
Shipping Information
Net weight: 11.9 kg (26.1lb)
Pack size (WxDxH): 558 x 558 x 245 mm (22 x 22 x 9.6in)
Pack weight: 15.8 kg (34.7lb)
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