Technical specifications

• Nominal Diameter: 250 mm (10in)
• Impedance: 8 Ohm
• Minimum Impedance: 6.5 Ohm
• AES Power: 250 W
• Program Power: 500 W
• Sensitivity: 97.5 dB
• Frequency Range: 60 - 2000 Hz
• Voice Coil Material: Edgewound CCA
• Voice Coil Former: Glass Fiber
• Voice Coil Depth: 13.7 mm (0.54in)
• Magnetic Gap Depth: 8.2 mm (0.32in)
• Cone Material: Water Resistant Treated Paper
• Surround Material: Polycotton
• Chassis Material: Steel
• Magnet Material: Ferrite
• Magnet Dims: 155 x 80 x 20 mm
• Driver Displacement Volume: 1.4 l (0.05ft³)
• Recommended Enclosure: 29.5 l (1.04ft³)
• Recommended Tuning: 73 Hz

Thiele and small parameters

• DC Resistance (Re) - 5.4 Ohm
• Resonance (Fs) - 66 Hz
• Moving Mass - System (Mms) - 31.7 g
• Compliance (Cms) - 0.181 mm/N
• Force Factor (BL) - 14.43 Tm
• Mechanical Q (Qms) - 8.36
• Electrical Q (Qes) - 0.34
• Total Q (Qts) - 0.33
• Compliance Equivalent Volume (Vas) - 30.72 L
• Voice Coil Inductance (Le) - 0.78 mH
• Diaphragm Area (Sd) - 346.4 cm²
• Reference Efficiency (Eta Zero) - 2.54 % %
• Efficiency Bandwidth Product (EBP) - 194
• Maximum Linear Excursion (Xmax) - 8.2 mm
• Maximum Mechanical Excursion (Xmech) - 13.7 mm

Shipping Information

• Net weight: 4.5 kg (10lb)
• Multipack size (WxDxH): 300 x 300 x 158 mm (11.8 x 11.8 x 6.2in)
• Multipack weight: 5.5 kg (12.1lb)