Specs

• Nominal Impedance 4 Ω
• DC resistance, Re 3.1 Ω
• Voice coil inductance, Le 0.13 mH
• Effective piston area, Sd 118 cm2
• Voice coil diameter 35.5 mm
• Voice coil height 16 mm
• Air gap height 5 mm
• Linear coil travel (p-p) 11 mm
• Magnetic flux density 1.0 T
• Magnet weight 0.54 kg
• Net weight 1.56 kg
• Free air resonance, Fs 29.5 Hz
• Sensitivity (2.83 V / 1 m) 90 dB
• Mechanical Q-factor, Qms 4.70
• Electrical Q-factor, Qes 0.31
• Total Q-factor, Qts 0.29
• Moving mass incl. air, Mms 15.2 g
• Force factor, Bl 5.3 Tm
• Equivalent volume, VAS 37.8 liters
• Compliance, Cms 1.91 mm/N
• Mechanical loss, Rms 0.6 kg/s
• Rated power handling* 60 W

* IEC 268-5, T/S parameters measured on drive units that are broken in.