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Effects of concrete as base for subs, speakers and potentially equipment

Hello, 

 

I am looking for any advice and experience from those that have used concrete as stands, racks, isolation. I have a friend who makes functional art pieces from concrete, coloured and designed to your liking and I was thinking of having some pieces made up for my equipment. I currently have everything on wood, but would like something more pleasing on the eye. My room is well dampened with wood floors. I am after any experience that you might have experimenting with concrete.

subwoofer on concrete slab. Currently have a T9x with a downward throwing passive radiator on a suspended wooden floor.  It needs removing from the floor and I was looking at concrete slabs. 
 

speakers on concrete slabs. Zu union 6 supreme again on suspension floor. They have isolation feet but they could do with lifting higher. I am considering using concrete for this. 
 

finally the equipment. Amp, dac, streamer. Currently on a cheap wooden cupboard with chopping boards underneath. Any experience of electronics on concrete. 

mpoll1

Showing 1 response by yoyoyaya

yoyoyaya's avatar
yoyoyaya
616 posts
 

@OP If you have wooden floorboards, one problem with putting concrete slabs under speakers is that it can be difficult to get the slab to be stable. Personally, I favour making platforms of thick ply and screwing those into the floor. That provides a stable bass and stiffens the floor.

Heavy masses under electronics can be hit and miss. Resonance control requires the mass to be damped. Mass by itself will resonate by at low frequency and will continue to ring if it is not damped.

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