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DIY Concrete speakers
As some of you may know I am a young audiophile, I am currently in my last year of A-levels in the UK and have started my exam project in DT. It is quite an arty course but I like to bring my technical skill into it anyway. I have decided to create a concrete speaker for it as the fluidity of concrete will allow me to make an “arty” type mould, and the fact that because concrete is so dense I will create a very inert cabinet. So I was wondering if anyone had any ideas for mix ratios and what aggregates to use for a smooth uniform finished concrete piece. I’ve heard of people making a cement mix instead but there are no pictures of how they turned out. If anyone could help me with this I would be very grateful. I do know that large aggregates like stones should be left out because of them sticking out of the surface, but I don’t know to what extent. Thank you in advance, you guys have been great on the forum, you are very good people. 😀
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