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Acoustics placement advice (layout enclosed)

Posted: Wed Oct 13, 2004 1:31 am
by curtiswyant
Here's a layout of my room. The black blocks are doors or windows. The red blocks are gobos/bass traps. I can't decide if I want to permanently treat the entire room, which is used for recording and mixing, or to use portable gobos and have a different setup for recording and mixing. I won't be able to put traps in the corners with the doors, which sucks. Any advice on bass trap layout? And could I use 4" foam for the "rear wall" of my mixing desk? Thanks for any help.

Posted: Wed Oct 13, 2004 1:33 am
by kentothink
what are some dimensions of the room?

Posted: Wed Oct 13, 2004 2:12 am
by curtiswyant
The longest side wall is 17'. The desk is 6'. The ceilings are 8'. I think the width is 13'.

Posted: Wed Oct 13, 2004 5:24 am
by knightfly
This is what I would do with your space - reasons for most changes are on the mark-up of your drawing... Steve

Posted: Thu Oct 14, 2004 1:15 am
by curtiswyant
Thanks for the advice! However, over the drum area, there is a high "A" ceiling with a lot of open air. I doubt that I would be able to hang anything above that area. Would the open space be beneficial or do I still need to do some absorbing on top of the drums?

Posted: Thu Oct 14, 2004 1:26 am
by Ethan Winer
Curtis,

Steve has you covered, but I'll add this:

> over the drum area, there is a high "A" ceiling with a lot of open air <

In that case it's even more important to place absorption from the ceiling, to avoid the focusing effect that occurs under the peak. I have that type of ceiling in my home studio and also in my home theater, and in both rooms I put absorber panels suspended under the center of the peak.

--Ethan

Posted: Fri Oct 15, 2004 1:50 am
by curtiswyant
How important are the gobos in front of the drums?

Posted: Fri Oct 15, 2004 5:34 am
by knightfly
They will help kill a lot of reflections from that area while mixing, especially due to the glass; in fact, you may want 1 or 2 more so you can overlap them slightly. When recording the drums, the soft sides should usually be toward the drums to kill reflections getting into the drum mics; then, for mixing you would turn them around.

While mixing, you may also find that you need to lay pillows on all the drum heads and lay a blanket over the entire kit (cymbal damping) in addition to the gobos... Steve