Nominal Impedance

4 Ω

DC resistance, Re

3.5 Ω

Voice coil inductance, Le

5.3 mH

Effective piston area, Sd

458 cm²

Voice coil diameter

76 mm

Voice coil height

38 mm

Air gap height

8 mm

Linear coil travel (p-p)

30 mm

Magnetic flux density

0.62 T

Magnet weight

2.4 kg

Net weight

7.68 kg

Free air resonance, Fs

19 Hz

Sensitivity (2.83V/1m)

85 dB

Mechanical Q-factor, Qms

7.7

Electrical Q-factor, Qes

0.33

Total Q-factor, Qts

0.32

Moving mass incl. air,Mms

264 g

Force factor, Bl

18.3 Tm

Equivalent volume, Vas

79 liters

Compliance, Cms

0.27 mm/N

Mechanical loss, Rms

4.1 kg/s

Rated power handling*

300 W