How I made two Home Theatre Hush Boxes and a look at whether worked in reducing sound levels from my projector into my home cinema.
I didn't mention in the video, but I also used the highest rated acoustic sealant inside the hush box along every join in the plywood and pine structure pieces to try to eliminate any avenue for sound to escape.
In the Hush Box Mark I, part of the weight issue was also that I lined all the inside surfaces (except the back piece) with Mass Loaded Vinyl (approx 3mm thick). That stuff is dense and very heavy itself. I didn't use that in Mark II which cut some weight down.
Негізгі бет DIY HUSH BOX for Home Cinema - Build Technique & WHY mine FAILED TWICE
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