DIY Bass Traps using 1" Fiberglass
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Posted on Aug 05, 2009 05:13 pm
Quincysan
http://www.unitedmusicians.info
Contributor Since: Nov 11, 2007
What do more educated fellers than I think of this design? It's notable that the Deep bass and High bass panels have plywood surfaces exposed, the rigid fiberglass is behind those sheets of plywood (the diagram isn't very clear on this point). The High/Mid panels' surface is made of burlap...no plywood there.
A list of parts... www.ethanwiner.com/BTParts.html
The author says to alternate these panels on 3/4 walls in a rectangular room, leaving bear the wall directly behind the monitors.
What say you, knowledgeable masses?
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Aug 05, 2009 09:20 pm I've not seen that particular design before... That said, I tend to not argue with Ethan about acoustics (he's helped me quite a bit here).
THAT said, I'd imagine those would come in handy in a pretty darn big space - I'd not use them in a smaller room (where thick broadband traps would be far more effective, IME).
Quincysanhttp://www.unitedmusicians.infoContributor
Since: Nov 11, 2007
Aug 05, 2009 09:30 pm Ah...thanks. The search for affordable bass traps continues.
Aug 05, 2009 10:36 pm 4" 703 in a cloth bag.
Bags of R32 stacked in the corner.
Both are crazy-cheap and quite effective.
Noize2uCzar of MidiAdministrator
Since: Apr 04, 2002
Aug 06, 2009 10:02 pm LOL, Massive has it spot on with the 703 in a cloth bag.
I used to work in a converted loft space downtown that had a few smaller rooms that we employed that technique in and it works very well. spray painted gunny sacks fluorescent orange. Gaudy loooking but it works in a space that you know you don't want to do anything permanent.
Quincysanhttp://www.unitedmusicians.infoContributor
Since: Nov 11, 2007
Aug 07, 2009 01:25 pm Great. I'm familiar with 703...what about R32? Google tells me it's a Volkswagon...which would significantly throw off the Feng Shui of my workspace.
What do you think of this package? Four pieces of 3.5" 4'x2' 703 for $130? Would I want to line these up on my rear wall, or put two on the back and two on the sides? Would I need more than four pieces of these to trap the bass from my ASP6 monitors in a 8.5'x16' room? I've read that I don't need to put anything directly behind where I sit at the mix position. I have a friend who can sew these panels in some burlap, as suggested by Mr. Winer.
www.soundaway.com/owens_c...ass_p/17203.htm
Aug 07, 2009 03:36 pm It sounds a little expensive - That said, I haven't bought the stuff "raw" in a loooong time.
A personal "rule of thumb" -- A dozen pieces is a good starting point for a typical room. Bigger rooms require less "per amount of space" than smaller rooms, smaller rooms require more. But in "the average room" a dozen will actually create a nice audible dent in the energy.
I'd kill the corners first - The walls in front of *and behind* you in a room that size are going to be fairly critical also.
Quincysanhttp://www.unitedmusicians.infoContributor
Since: Nov 11, 2007
Aug 07, 2009 03:53 pm Yikes that'll get pricey relative to my current budget for such things. I have family and friends in the construction business I'll see what they can do.
What's the r32 material? Is it another thickness of fiberglass?
It will be difficult to kill one of the corners as there's a door butting up against the long wall on the short wall. I could kill one corner without getting in the way of the doors, I guess that's better than nothing?
Aug 08, 2009 12:33 am Regular bats of stuff you'd put in an attic. Big bags - Just leave it all in the bag and toss 'em in a corner.
Doors in corners suck. Been there - Absolutely ruined an otherwise decent room.
