sub destroyed my box

it was a shitty box build. Next time brace properly that sucks about the surround. Use some clear silicone on the underside of the surround to seal it up, do not use too much or it will add unwanted weight to the surround.

 
thats exactly why the sub face should be a cap side and not a insert side also looks like no wood glue was used... ask for ur money back
I dont think it has anything to do with the orientation of the panels. Almost all of my boxes have been built the same way as this one, and I have never hard that problem.

Just simply, it looks like there wasnt enough glue used.

 
thats exactly why the sub face should be a cap side and not a insert side also looks like no wood glue was used... ask for ur money back
Very true...the baffle should be the last piece you put on, so you have support behind it all the way around the outside. Of course there are some exceptions, but it's a good rule of thumb to avoid problems.

 
its really a push and pull method if u think about it .. caping a face panels pushes on the sides and top/bottom of the box which makes it less likely to break... puttin the panel on the inside it has a tendency to pull on the board and the board has nothing to brace against and it breaks as shown above

 
it was a shitty box build. Next time brace properly that sucks about the surround. Use some clear silicone on the underside of the surround to seal it up, do not use too much or it will add unwanted weight to the surround.
depending on the subs you use silicon will eat away at the surround. ive always had pretty good results with the old "TP and clear fingernail polish" approach.

 
depending on the subs you use silicon will eat away at the surround. ive always had pretty good results with the old "TP and clear fingernail polish" approach.
That's why when you apply silicone to your enclosure, you give it at least 24 hours to cure. Once its cured, it will no longer pose a threat to your speakers' soft parrts.
 
Looks to me like the problem was caused by the screws holding the sub in. The holes where not pre-drilled and it caused the baffle to split. Also it looks like some screws where not even in straight and came out the side of the cutout. On the piece broken off, it looks like a screw got in between the 2 pieces and pulled them apart.

 
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