Rated power    40 W

Maximum power    60 W

Nominal impedance Z    8 Ohm

Frequency response    70–20000 Hz

Mean sound pressure level    87 dB (1 W/1 m)

Opening angle (-6 dB)    41°/4000 Hz

Excursion limit    +/−3 mm

Resonance frequency fs    75 Hz

Magnetic induction    0.75 T

Magnetic flux    190 µWb

Height of front pole-plate    4 mm

Voice coil diameter    20 mm

Height of winding    4 mm

Cutout diameter    143 mm

Net weight    0.47 kg

D.C. resistance Rdc    6.8 Ohm

Mechanical Q factor Qms    4.94

Electrical Q factor Qes    3.26

Total Q factor Qts    1.96

Equivalent volume Vas    16 l

Effective piston area Sd    129 cm²

Dynamically moved mass Mms    5.9 g

Force factor Bxl    2.5 T m

Inductance of the voice coil L    0.8 mH

Connections    4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)

Temperature range    –25 ... 70 °C