INFINITY Kappa400 ¥ 100,000 (1 unit, around 2002) Commentary A Kappa series speaker system that uses a C. The speaker unit uses a newly developed diaphragm, C. (Ceramic Metal Matrix Diaphragms), made of a ceramic compound called alumina, which is lightweight and highly rigid. In the high frequency unit, the characteristics are improved by driving the resonance frequency out of the audible band.
Cone type mid-range in the middle range and 2.5 CMc. Dome type tweeter in the high range.