Technical specifications

• Nominal Diameter: 165 mm (6.5in)
• Impedance: 8 Ohm
• Minimum Impedance: 6.7 Ohm
• AES Power: 250 W
• Program Power: 500 W
• Sensitivity: 97.5 dB
• Frequency Range: 100 - 4000 Hz
• Voice Coil Material: CCAW
• Voice Coil Former: Glass Fiber
• Voice Coil Depth: 10.8 mm (0.43in)
• Magnetic Gap Depth: 6 mm (0.24in)
• Cone Material: Water Resistant Treated Paper + water Proof Front SIde Treatment
• Surround Material: Polycotton
• Chassis Material: Aluminium
• Magnet Material: Neodymium
• Magnet Dims: 50 x 9 + 48 x 5 mm
• Driver Displacement Volume: 0.423 l (0.015ft³)
• Recommended Enclosure: 7 l (0.25ft³)
• Recommended Tuning: 107 Hz

Thiele and small parameters

• DC Resistance (Re) - 5.7 Ohm
• Resonance (Fs) - 102 Hz
• Moving Mass - System (Mms) - 14.46 g
• Compliance (Cms) - 0.169 mm/N
• Force Factor (BL) - 12.83 Tm
• Mechanical Q (Qms) - 2.81
• Electrical Q (Qes) - 0.32
• Total Q (Qts) - 0.29
• Compliance Equivalent Volume (Vas) - 3.95 L
• Voice Coil Inductance (Le) - 0.32 mH
• Diaphragm Area (Sd) - 128.7 cm²
• Reference Efficiency (Eta Zero) - 1.25 % %
• Efficiency Bandwidth Product (EBP) - 319
• Maximum Linear Excursion (Xmax) - 3.9 mm
• Maximum Mechanical Excursion (Xmech) - 6.4 mm

Shipping Information

• Net weight: 0.9 kg (2.03lb)
• Multipack size (WxDxH): 374 x 374 x 191 mm (14.7 x 13.6 x 7.5in)
• Multipack weight: 11 kg (24.3lb)