SB Acoustics SB15NBAC30-4

The THD measurements at distance of 20 mm and voltage levels from 4 to 5.6 Volt were carried out with High Pass Filter "on" (4th order Butterworth type, 20 Hz cutoff, HPF4-20).

 

The THD measurements at distance of 315 mm and voltage levels from 2 to 4 Volt were carried out with High Pass Filter "on" (2nd order Butterworth type, 50 Hz cutoff, HPF2-50).

 

The THD measurements at distance of 315 mm and voltage levels from 5.6 to 11.2 Volt were carried out with High Pass Filter "on" (2nd order Butterworth type, 80 Hz cutoff, HPF2-80).

 

The speaker before the measurements had been good broken in.