Technical specifications

• Nominal Diameter: 100 mm (4in)
• Impedance: 8 Ohm
• Minimum Impedance: 6.5 Ohm
• AES Power: 40 W
• Program Power: 80 W
• Sensitivity: 91 dB
• Frequency Range: 100 - 12000 Hz
• Voice Coil Material: Copper
• Voice Coil Former: Polyimide
• Voice Coil Depth: 10.5 mm (0.41in)
• Magnetic Gap Depth: 5 mm (0.2in)
• Cone Material: Water Resistant Treated Paper
• Surround Material: Rubber
• Chassis Material: Steel
• Magnet Material: Neodymium
• Magnet Dims: 65 x 32 x 4 mm
• Driver Displacement Volume: 0.125 l (0.004ft³)
• Recommended Enclosure: 2 l (0.071ft³)
• Recommended Tuning: 165 Hz

Thiele and small parameters

• DC Resistance (Re) - 5.6 Ohm
• Resonance (Fs) - 104 Hz
• Moving Mass - System (Mms) - 5.9 g
• Compliance (Cms) - 0.403 mm/N
• Force Factor (BL) - 8.3 Tm
• Mechanical Q (Qms) - 7.06
• Electrical Q (Qes) - 0.32
• Total Q (Qts) - 0.30
• Compliance Equivalent Volume (Vas) - 1.67 L
• Voice Coil Inductance (Le) - 0.28 mH
• Diaphragm Area (Sd) - 54.1 cm²
• Reference Efficiency (Eta Zero) - 0.57 % %
• Efficiency Bandwidth Product (EBP) - 325
• Maximum Linear Excursion (Xmax) - 4 mm
• Maximum Mechanical Excursion (Xmech) - 5.8 mm

Shipping Information

• Net weight: 0.5 kg (1.1lb)
• Multipack size (WxDxH): 385 x 340 x 149 mm (15.2 x 13.4 x 5.9in)
• Multipack weight: 11 kg (24.3lb)
• Multipack Quantity: 18