Mine works fine to decouple and eliminate spurious vibrations from being conducted through sprung flooring. However I am curious to try a more sophisticated coupling approach such as Sistrum platform. This should theoretically provide a drain for vibration that is otherwise broadcast from the walls of the speaker cabinet, possibly improving focus.
I use two of the smaller SubDude platforms under the speaker stands for my speakers. I don't believe that they improve the sound. They do, however, prevent sound from penetrating the floorboards and disturbing my downstairs neighbors.
@Rabbinoah, What are the dimensions of the smaller platforms? I have looked around and can only find the 15x15 and those are much too large for the small floor standing speakers for which I would use the platforms.
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