DF SW concrete base plate OR FF SW with wooden grill - AVS Forum | Home Theater Discussions And Reviews
View Poll Results: Which option to choose?
Down Firing with concrete base 0 0%
Down Firing with concrete legs, use floor as base 0 0%
Front Firing with wooden planks as grill 0 0%
Front Firing with classic, cloth, grill 0 0%
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post #1 of 1 Old 03-23-2020, 03:46 AM - Thread Starter
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DF SW concrete base plate OR FF SW with wooden grill

Hi,

I am thinking about my next subwoofer design. Did a lilmike horn design before, liked it, but prefer to go for sealed due to the size and it has no lag.

Decided to go for a sealed subwoofer, 1 big 18" unit. I have a sundown ZV4 18 for sale locally which I'm thinking about.

2 options: down firing or front firing.

For the WAF factor however, I am thinking about a down firing subwoofer. I quite liked the look of this:



description here:

https://soundblab.net/diy-subwoofer-...concrete-base/

I would add a concrete top (6-8cm thick) and put it next to our sofa, as a 'table'. This would improve WAF factor even more, and the weight will give even more presence to the box.

I wonder however if putting concrete as a base plate is wise, as I've read many reviews claiming it's better to put a rug underneath.

We have a house with a concrete base plate with hardwood flooring (about 3cm thick), a basement underneath.

I am just wondering what would be best, make just concrete legs but no plate (just for the looks, to make it fit with the concrete top)

I will also test, as the sundown is for sale in an (ugly) box, the forward firing option.


If I go for the front firing option however, I would like to make it look good for the wife. I would like to put wooden spaced planks in front of the woofer, as a grill, so it's less obvious. Like this:



I haven't seen a build like this yet, would like to know if anybody has experience with it, or knows a design which uses it, and would also like to know if it's any good, as the wood might flex (?) and interrupt the sound waves (?)

Thanks a lot in advance!
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