Technical specifications

• Nominal Diameter: 165 mm (6.5 in)
• Impedance: 8 Ohm
• Minimum Impedance: 6.4 Ohm
• AES Power: 125 W
• Program Power: 250 W
• Sensitivity: 94 dB
• Frequency Range: 90 - 5000 Hz
• Voice Coil Material: Copper
• Voice Coil Former: Polyimide
• Voice Coil Depth: 10.6 mm (0.42 in)
• Magnetic Gap Depth: 6 mm (0.23 in)
• Cone Material: Water Proof Treated Paper
• Surround Material: Polycotton
• Chassis Material: Steel
• Magnet Material: Ferrite
• Magnet Dims: 115 x 45 x 20 mm
• Driver Displacement Volume: 0.5 l (0.02 ft³)
• Recommended Enclosure: 14.2 l (0.5 ft³)
• Recommended Tuning: 95 Hz

Thiele and small parameters

• DC Resistance (Re) - 5.5 Ohm
• Resonance (Fs) - 91 Hz
• Moving Mass - System (Mms) - 13.3 g
• Compliance (Cms) - 0.229 mm/N
• Force Factor (BL) - 10.81 Tm
• Mechanical Q (Qms) - 5.42
• Electrical Q (Qes) - 0.36
• Total Q (Qts) - 0.34
• Compliance Equivalent Volume (Vas) - 5.36 L
• Voice Coil Inductance (Le) - 0.42 mH
• Diaphragm Area (Sd) - 128.7 cm²
• Reference Efficiency (Eta Zero) - 1.09 % %
• Efficiency Bandwidth Product (EBP) - 253
• Maximum Linear Excursion (Xmax) - 3.8 mm
• Maximum Mechanical Excursion (Xmech) - 6.3 mm

Shipping Information

• Net weight: 2 kg (4.4lb)
• Multipack size (WxDxH): 410 x 370 x 208 mm (16.1 x 14.6 x 8.2in)
• Multipack weight: 19.5 kg (42.9lb)