Technical specifications

• Nominal Diameter: 460 mm (18in)
• Impedance: 8 Ohm
• Minimum Impedance: 6.4 Ohm
• AES Power: 1000 W
• Program Power: 2000 W
• Sensitivity: 96 dB
• Frequency Range: 30 - 2500 Hz
• Voice Coil Material: Copper
• Voice Coil Former: Glass Fiber
• Voice Coil Depth: 20.3 mm (0.8in)
• Magnetic Gap Depth: 10 mm (0.39in)
• 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: 7.42 l (0.262ft³)
• Recommended Enclosure: 178.2 l (7.0ft³)
• Recommended Tuning: 45 Hz

Thiele and small parameters

• DC Resistance (Re) - 5.4 Ohm
• Resonance (Fs) - 39 Hz
• Moving Mass - System (Mms) - 217 g
• Compliance (Cms) - 0.078 mm/N
• Force Factor (BL) - 25.4 Tm
• Mechanical Q (Qms) - 5.9
• Electrical Q (Qes) - 0.45
• Total Q (Qts) - 0.41
• Compliance Equivalent Volume (Vas) - 141.2 L
• Voice Coil Inductance (Le) - 1.66 mH
• Diaphragm Area (Sd) - 1134 cm²
• Reference Efficiency (Eta Zero) - 1.78 %
• Efficiency Bandwidth Product (EBP) - 87
• Maximum Linear Excursion (Xmax) - 7.7 mm
• Maximum Mechanical Excursion (Xmech) - 13.2 mm

Shipping Information

• Net weight: 12.3 kg (27.1lb)
• Multipack size (WxDxH): 520 x 520 x 253 mm (20.5 x 20.5 x 9.9in)
• Multipack weight: 14 kg (30.9lb)