Technical specifications

• Nominal Diameter: 250 mm (10in)
• Impedance: 8 Ohm
• Minimum Impedance: 6.7 Ohm
• AES Power: 250 W
• Program Power: 500 W
• Sensitivity: 97 dB
• Frequency Range: 70 - 4000 Hz
• Voice Coil Material: CCAW
• Voice Coil Former: Glass Fiber
• Voice Coil Depth: 14.2 mm (0.56in)
• Magnetic Gap Depth: 8 mm (0.31in)
• Cone Material: Water Proof Treated Paper
• Surround Material: Polycotton
• Chassis Material: Aluminium
• Magnet Material: Ferrite
• Magnet Dims: 156 x 80 x 20 mm
• Driver Displacement Volume: 1.6 l (0.06ft³)
• Recommended Enclosure: 36 l (1.27ft³)
• Recommended Tuning: 75 Hz

Thiele and small parameters

• DC Resistance (Re) - 5.7 Ohm
• Resonance (Fs) - 74 Hz
• Moving Mass - System (Mms) - 25.4 g
• Compliance (Cms) - 0.136 mm/N
• Force Factor (BL) - 14.62 Tm
• Mechanical Q (Qms) - 4.01
• Electrical Q (Qes) - 0.12
• Total Q (Qts) - 0.38
• Compliance Equivalent Volume (Vas) - 27.91 L
• Voice Coil Inductance (Le) - 0.68 mH
• Diaphragm Area (Sd) - 380.1 cm²
• Reference Efficiency (Eta Zero) - 2.62 % %
• Efficiency Bandwidth Product (EBP) - 617
• Maximum Linear Excursion (Xmax) - 5.1 mm
• Maximum Mechanical Excursion (Xmech) - 9.1 mm

Shipping Information

• Net weight: 4.8 kg (10.5lb)
• Multipack size (WxDxH): 300 x 300 x 148 mm (11.8 x 11.8 x 5.8in)
• Multipack weight: 5.7 kg (12.5lb)