Accuton C180-6-Kharma Exquisite Grand

C180-6-Kharma EG (because the speaker dosn't have any marking we gave it a name by himself) it is a ceramic cone midrange speaker, which was made by Accuton (Germany) company by a special order for the loudspeaker manufacturer  Kharma (Netherland) to be used in their top line loudspeakers at that time (around 2008 year) - Kharma Exquisite Grand (The Absolute Sound's review), those retail price tag was near $300000.

Today (2019) Kharma company is continuing produce that loudspeaker model, but now with upgraded midrange speaker drivers - Omega with Carbon-Rohacell-Carbon cones.

It's always interesting to see what speakers are used in the world's top loudspeakers!

The THD measurements at distance of 315 mm and voltage levels from 2.83 Volt to 8 Volt were carried out with High Pass Filter "on" (2nd order Butterworth type, 50 Hz cutoff, HPF2-50).