soffit dimensions

eric · Post by **eric** » Wed Sep 24, 2003 2:20 pm

Hi there all you knowledgable folks. I am in the process of building a studio and I have a question. For a control room 12' deep X 14' wide how wide should a soffit be? In other words is there a rule to follow such as 1/3 the width or is there some deeper math that needs to be done? Thanks in advance for any help. This site is a really cool find.
Eric

knightfly · Post by **knightfly** » Wed Sep 24, 2003 10:11 pm

Eric, I moved this to the speaker forum because if anyone can give you details like that it will be Thomas - Steve

knightfly · Post by **knightfly** » Thu Sep 25, 2003 10:24 pm

Eric, guess Thomas is pretty busy these days with his new speaker company - if nothing by tonight, I'll see what I can find for you. Something about 5x woofer diameter, but don't recall exactly... Steve

eric · Post by **eric** » Fri Sep 26, 2003 12:44 am

thanks.

barefoot · Post by **barefoot** » Fri Sep 26, 2003 8:13 am

Eric,

From a radiation pattern perspective, you ideally want the speaker mounted in the center of a large wall as far from any other wall, floor, or ceiling intersections as possible. Of course, you have to balance this with how far back in the room it places the listening position. Ideally you also want the listening position at least 10ft or more from the rear wall.

There aren't any hard fast rules. In most cases it's a compromise between those conflicting parameters. I would error on the side of keeping the listening position as far as possible from the rear wall - i.e. mounting the monitors more toward the center with a shorter listening distance.

Thomas

eric · Post by **eric** » Fri Sep 26, 2003 12:53 pm

Thanks,I guess that makes sense. I actually changed the room around so it is now 12' wide and 17'deep. That should help things a little. I will be able to stay closer to the front as you suggest without having to jam all my stuff in a short little space. So if I split the front wall into say three equal parts say 4' each I should be okydokee?
Thanks.
Eric

barefoot · Post by **barefoot** » Tue Sep 30, 2003 6:16 am

Yes, splitting the wall up into 3rds is about right. And making the room longer will definitely help.

Have you looked at some of John's basic designs? http://www.saecollege.de/reference_mate ... /Plans.htm

Thomas

eric · Post by **eric** » Tue Sep 30, 2003 7:54 am

I have been soaking up as much as possible from this forum as well as copying designs and plans left and right. A lot of the things have been very helpful while others are of course confusing to someone of my limited experience. My biggest fear is that I will make a critical error and end up in an echo chamber or even worse. Thank you for you help by the way.
Eric

dbluefield · Post by **dbluefield** » Mon Oct 13, 2003 2:59 am

Hi Eric,

I was struggling with the same thing. The smart draw program has been invaluable for layout. It makes it easier to set a visual layout of the 30 degree angles at the front wall, and form a reasonable equalateral triangle from there. I would work on a picture and post it here, so others can help.

You can see what I have been grappling with here:

http://www.johnlsayers.com/phpBB2/viewt ... =5890#5890

Best,

Dave