The same way as the tweeter, the midrange is decoupled from the main baffle board and designed synergistically with its optimized “acoustic chamber”. A special coaxial anti- compressor is used, designed to remove cavity resonances and distortions.
Sonus faber W22XTR-12. A pair of Sonus faber designed 220 mm Neodymium magnet system woofers, lightweight “sandwich” cone structure (high-tech syntactic foam core and two external surface skins of cellulose pulp) woofers. Each of them is integrated in its own acoustically amorphous “stealth reflex” chamber.