A sound controlling apparatus adapted for combination with a speaker unit, comprising a stand configured to support the speaker unit, a reflecting panel or panels associated with the stand to reflect sound waves transmitted by the speaker unit, a side panel or panels associated with the stand, there being a reflected sound transmission path or paths defined by at least one of the following: i) the stand ii) a side panel, or panels, iii) the stand and a side panel or panels.

 
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> Method for creating controlled pressure release in a pneumatic device

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