Technical specifications

• Nominal Diameter: 300 mm (12in)
• Impedance: 8 Ohm
• Minimum Impedance: 6.6 Ohm
• AES Power: 250 W
• Program Power: 500 W
• Sensitivity: 97.5 dB
• Frequency Range: 50 - 3000 Hz
• Voice Coil Material: Copper
• Voice Coil Former: Glass Fiber
• Voice Coil Depth: 13.4 mm (0.53in)
• Magnetic Gap Depth: 8.2 mm (0.32in)
• Cone Material: Water Resistant Treated Paper + Water Proof Front Side Treatment
• Surround Material: Polycotton
• Chassis Material: Steel
• Magnet Material: Ferrite
• Magnet Dims: 160 x 70 x 20 mm
• Driver Displacement Volume: 2 l (0.07ft³)
• Recommended Enclosure: 46.7 l (1.65ft³)
• Recommended Tuning: 55 Hz

Thiele and small parameters

• DC Resistance (Re) - 5.6 Ohm
• Resonance (Fs) - 49 Hz
• Moving Mass - System (Mms) - 58.4 g
• Compliance (Cms) - 0.18 mm/N
• Force Factor (BL) - 17.1 Tm
• Mechanical Q (Qms) - 5.54
• Electrical Q (Qes) - 0.35
• Total Q (Qts) - 0.33
• Compliance Equivalent Volume (Vas) - 71.7 L
• Voice Coil Inductance (Le) - 0.76 mH
• Diaphragm Area (Sd) - 530.9 cm²
• Reference Efficiency (Eta Zero) - 2.37% %
• Efficiency Bandwidth Product (EBP) - 140
• Maximum Linear Excursion (Xmax) - 4.7 mm
• Maximum Mechanical Excursion (Xmech) - 8.8 mm

Shipping Information

• Net weight: 4.7 kg (10.3lb)
• Multipack size (WxDxH): 356 x 356 x 173 mm (14 x 14 x 6.8in)
• Multipack weight: 6 kg (13.3lb)