Technical specifications

• Nominal Diameter: 380 mm (15in)
• Impedance: 8 Ohm
• Minimum Impedance: 6.3 Ohm
• AES Power: 250 W
• Program Power: 500 W
• Sensitivity: 97.5 dB
• Frequency Range: 45 - 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: 3.8 l (0.13ft³)
• Recommended Enclosure: 86.3 l (3.4ft³)
• Recommended Tuning: 50 Hz

Thiele and small parameters

• DC Resistance (Re) - 5.6 Ohm
• Resonance (Fs) - 46 Hz
• Moving Mass - System (Mms) - 90.3 g
• Compliance (Cms) - 0.133 mm/N
• Force Factor (BL) - 16.16 Tm
• Mechanical Q (Qms) - 5.12
• Electrical Q (Qes) - 0.56
• Total Q (Qts) - 0.50
• Compliance Equivalent Volume (Vas) - 137.9 L
• Voice Coil Inductance (Le) - 0.77 mH
• Diaphragm Area (Sd) - 855 cm²
• Reference Efficiency (Eta Zero) - 2.29% %
• Efficiency Bandwidth Product (EBP) - 82
• Maximum Linear Excursion (Xmax) - 4.7 mm
• Maximum Mechanical Excursion (Xmech) - 8.8 mm

Shipping Information

• Net weight: 5.4 kg (11.8lb)
• Multipack size (WxDxH): 438 x 438 x 204 mm (17.2 x 17.2 x 8in)
• Multipack weight: 7.5 kg (16.6lb)