HiFiCompass
The THD measurements at distance of 315 mm and voltage levels from 2.83 Volt to 16 Volt were carried out with High Pass Filter "on" (2nd order Butterworth type, 50 Hz cutoff, HPF2-50)
Before the measurements the speaker had been very good broken-in
All the best components for audio in one place!
More...
The compared speaker drivers are displayed here. You can add up to three drivers for comparing.