Midrange resolution and purity and especially important for center channel. Perfect integration between drivers is achieved by using a low crossover point (1600 Hz) together with precise voice coil placement.
The TAPS concept (Time Accurate Point Source) allows drivers to act like one big unit.
Helium520C is electrically identical to Helium520 floorstanders to ensure perfect integation between channels.
U/D/D stands for Uniformly Directive Diffusion. By creating even dispersion the anomalies caused by wall, floor and ceiling reflections are minimized. This allows the listener to hear less of their room and more of their music.