Box bracing?

[Bass911 10+ year member]

I know I should have built my box a little bigger to account for the bracing, but it's too late and I didn't. All I need to know is if adding bracing raises or lowers the tuning?

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[bubbagumper6 5,000+ posts]

I know I should have built my box a little bigger to account for the bracing, but it's too late and I didn't. All I need to know is if adding bracing raises or lowers the tuning?

Raises

 

[hatedonmostly 5,000+ posts]

What did you use for bracing?

 

[mlstrass 5,000+ posts]

how big is the enclosure, how do you know it even needs any bracing? Can you add bracing on the outside?

 

[bhsdriller 10+ year member]

use threaded rod. Doesn't take up much room at all

 

[Bass911 10+ year member]

The first one I built was 9.8 cu. ft. This one is 7 cu. ft. The first one was flexing like crazy and that's why I added braces to the second one. I used the triangular mdf braces. I might be able to knock a few of them out with a hammer, but that liquid nails is strong as hell?

 

[hatedonmostly 5,000+ posts]

use threaded rod. Doesn't take up much room at all

I second this.

 

[Toone 10+ year member]

The first one I built was 9.8 cu. ft. This one is 7 cu. ft. The first one was flexing like crazy and that's why I added braces to the second one. I used the triangular mdf braces. I might be able to knock a few of them out with a hammer, but that liquid nails is strong as hell?

liquid nails+MDF does not equal strong bond. liquid nails shouldnt be used on mdf at all.

 

[Bass911 10+ year member]

liquid nails+MDF does not equal strong bond. liquid nails shouldnt be used on mdf at all.

I disagree. Sometimes you'll break the mdf before you could separate 2 pieces of mdf. The bond is strong enough for me. I also use screws. I have used wood glue on other boxes and I like liquid nails better. When I break a box apart I'll stop using liquid nails, but I have a better chance of getting struck by lightning.

 

[Bass911 10+ year member]

I did the math and the internal volume dropped to 6.96 cubes. Maybe the tuning won't be raised that much?

 

[Toone 10+ year member]

I disagree. Sometimes you'll break the mdf before you could separate 2 pieces of mdf. The bond is strong enough for me. I also use screws. I have used wood glue on other boxes and I like liquid nails better. When I break a box apart I'll stop using liquid nails, but I have a better chance of getting struck by lightning.

2 15"s and 1.2k blew a box i built with screws/liquid nails apart. more like wood slapping than exploding but w.e.

 

[Bass911 10+ year member]

2 15"s and 1.2k blew a box i built with screws/liquid nails apart. more like wood slapping than exploding but w.e.

Well, what glue do you use?

 

[Blue Fury 10+ year member]

I did the math and the internal volume dropped to 6.96 cubes. Maybe the tuning won't be raised that much?

What? How big is your box?

 

[bubbagumper6 5,000+ posts]

2 15"s and 1.2k blew a box i built with screws/liquid nails apart. more like wood slapping than exploding but w.e.

User error. I've always used liquid nails and never had a problem. It laughs at my 18" BTL with 3000wrms.

 

[Bass911 10+ year member]

What? How big is your box?

It was 7 cubes before the bracing and 6.96 after? I did some math and I don't think it will be a problem with the tuning.