Sonus faber, Aida, Lilium and Amati Tradition insights… To avoid that inner spurious vibrations interact with the speakers, these are conveyed towards the T.M.D., steel masses placed in the nodal points of the cabinet. Those masses dissipate the vibration oscillating in anti-phase, in a way very close to what happen inside the skyscrapers, designed to resist to earthquakes.
See in the pictures different applications in the Sonus faber, Aida, Lilium and Amati Tradition.