This 0.75” tweeter from Klipsch’s RSX-3 Cinema 6 Reference series home theater and from their iFi system is in very good working condition. In the RSX-3, this tweeter is crossed over starting at 2740 Hz and is measured reaching 20 kHz. The tweeter has served with a midrange speaker that as a pair are rated for handling 40 watts (160 watts peak).