BlieSMa M142A-6

The HD measurements at distance 315 mm and voltage levels 2 - 2.83 Volt were carried out with High Pass Filter "on" (2nd order Butterworth type, 50 Hz cutoff, HPF2-50)

The HD measurements at distance 315 mm and voltage levels 4 - 5.6 Volt were carried out with High Pass Filter "on" (2nd order Butterworth type, 80 Hz cutoff, HPF2-80)

The HD measurements at distance 315 mm and voltage level 8 Volt were carried out with High Pass Filter "on" (2nd order Butterworth type, 100 Hz cutoff, HPF2-100)

The voice coil current HD measurements at voltage levels 2 - 2.83 Volt were carried out with High Pass Filter "on" (2nd order Butterworth type, 50 Hz cutoff, HPF2-50)

The voice coil current HD measurements at voltage level  4 Volt were carried out with High Pass Filter "on" (2nd order Butterworth type, 80 Hz cutoff, HPF2-80)

The voice coil current HD measurements at voltage level 5.6 Volt were carried out with High Pass Filter "on" (2nd order Butterworth type, 120 Hz cutoff, HPF2-120)

Before taking the measurements the speaker had been very good broken-in

The detailed review of the M142A-6 speaker