Isolation box please help

RichMinerva

New Metal Member
Jul 27, 2009
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Basically guys I've said before I'll say again I'm a bedroom warrior and I've just gotten my re-amping equipment.

I've gotten a Harley Benton classic cab 2x12 and I'm re-amping in a bedroom. I know it's probably silly and stupid and somebody will flame me for it but when needs must

I need a box to put the cab in. My initial idea was a large size box each side three inches thick packed hard with rockwool,

What does everyone think?
 
Dude. You really have to think about it. There will be a lot of acoustic pressure within the box. Thats how i would build it:

- 2 instances of wood with different thickness. bad illustration: AAAAABBB .....
- not rockwood, but some acoustic shit.
- think about the cables.... you want as less air as possible to get out/in of the box so you can get as silent as possible.
 
Long story short I want it to sound as of it was in a decent room but in a quarter of te space and so I don't get evicted haha
 
Yeah, but he´s right. You can build a box to avoid noise, but it wouldn´t sound like it was standing in a free room
 
Well I can build reflective Walls etc, or Walls for absorption which would be best for said box
In your opinion?
 
Reflecting Walls aren´t a good idea for such a small room. If you want to get as silent as possible you gotta use absorption.
 
I'd say go for absorption.
IIRC there were at least one or two dudes on this forum that had boxes like the one you are looking to build. Hopefully they'll chime in here.
While I'm generally with the other guys that have responded so far (it's never gonna sound like the cab was in the room) I don't think all hope is lost. Sure it'll be a different sound but that doesn't mean it won't be usable.
Keep looking. Maybe try Google or the (custom) forum search. You might even find the old thread(s) I was talking about.
 
I'd say go for absorption.
IIRC there were at least one or two dudes on this forum that had boxes like the one you are looking to build. Hopefully they'll chime in here.
While I'm generally with the other guys that have responded so far (it's never gonna sound like the cab was in the room) I don't think all hope is lost. Sure it'll be a different sound but that doesn't mean it won't be usable.
Keep looking. Maybe try Google or the (custom) forum search. You might even find the old thread(s) I was talking about.

Thanks dude

Well to begin with I wasn't going to build the box airtight so no sound go out of it whatsoever I was going to build it a fair bit bigger than the cab with about 4 feet in front of it's pointing direction so not to lose any air movement etc I just needed it to be quieter without compromising pumping the post gain on my 5150 :)
 
Thanks dude

Well to begin with I wasn't going to build the box airtight so no sound go out of it whatsoever I was going to build it a fair bit bigger than the cab with about 4 feet in front of it's pointing direction so not to lose any air movement etc I just needed it to be quieter without compromising pumping the post gain on my 5150 :)

thd hotplate
 
Just a bit about what I did a while back, you might even be able to dig up the thread from like 2006-

I was living in a condo, and with neighbors bellow and on both sides, there was no way I could record my cabs without getting the cops called. I put a lot of effort into building a very nice Isolation box to fit my 4x12 in it. I did everything I could to make it sound proof. I used VERY thick wood(1inch), used a ton of carpet/foam/rockwool, and made sure it was 100% sealed.

End result was that high end volume was cut to about nothing, but low midrange and lows were just as loud as without the box. And that low end is what pisses off the neighbors the most. So even with the iso cab I still had to keep the volume down uber low to prevent the whole floor/room from rumbling. That low end just finds a way to travel trough everything, no matter how hard you try. Would have worked ok for a house environment, when you don't want to upset the old lady all day, but in an apartment it was just not enough. And the strange reflection sounds inside the box were kinda shitty as well.

Best bet for an apartment? Preamp out into your interface and just use impulses.
 
Yeah. Unfortunately with those boxes you either make it sound choked or don't solve the problem or both. On an editorial note, I'm always surprised at the number of guys here who don't seem to have access to band rehearsal space or any other place that they could use for full volume reamping for a couple of hours once they've got solid DI's.