Technical specifications

• Nominal Diameter: 250 mm (10in)
• Impedance: 8 Ohm
• Minimum Impedance: 6.5 Ohm
• AES Power: 250 W
• Program Power: 500 W
• Sensitivity: 98.5 dB
• Frequency Range: 70 - 4000 Hz
• Voice Coil Material: Edgewound CCA
• Voice Coil Former: Glass Fiber
• Voice Coil Depth: 14 mm (0.55in)
• Magnetic Gap Depth: 8 mm (0.31in)
• Cone Material: Water Proof Treated Paper
• Surround Material: Polycotton
• Chassis Material: Aluminium
• Magnet Material: Ferrite
• Magnet Dims: 155 x 80 x 20 mm
• Driver Displacement Volume: 1.5 l (0.05ft³)
• Recommended Enclosure: 39 l (1.38ft³)
• Recommended Tuning: 70 Hz

Thiele and small parameters

• DC Resistance (Re) - 5.5 Ohm
• Resonance (Fs) - 71 Hz
• Moving Mass - System (Mms) - 34.6 g
• Compliance (Cms) - 0.142 mm/N
• Force Factor (BL) - 16.1 Tm
• Mechanical Q (Qms) - 5.371
• Electrical Q (Qes) - 0.33
• Total Q (Qts) - 0.31
• Compliance Equivalent Volume (Vas) - 29.09 L
• Voice Coil Inductance (Le) - 0.82 mH
• Diaphragm Area (Sd) - 380.1 cm²
• Reference Efficiency (Eta Zero) - 3.10 % %
• Efficiency Bandwidth Product (EBP) - 215
• Maximum Linear Excursion (Xmax) - 5 mm
• Maximum Mechanical Excursion (Xmech) - 9 mm

Shipping Information

• Net weight: 4.7 kg (10.2lb)
• Multipack size (WxDxH): 300 x 300 x 148 mm (11.8 x 11.8 x 5.8in)
• Multipack weight: 5.6 kg (12.3lb)