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Also I don't know if it is cheaper, I just couldn't find the rigid fiberglass. Eric

It's really not that much different than fiberglass is it. If fiberglass is fiber glass, it is made out of silicon oxide (quartz I believe), so the same principles should hold through. The thing to look for is the "sound absorption coeficcient" at different frequencies. This will tell...

Hey Jawney, You can also use rockwool for this purpose. Check out this link. http://www.fibrex.on.ca/products/safb.html This stuff will do the same job as the fiberglass. check out the absorption figures down the page a little. With 4" you get almost total absorption down to 125hz. The...

mjbee- quote: -------------------------------------------------------------------------------- 7. Tuning - check the SAE site under absorbers, midrange - There is a formula, AND an Excel spreadsheet for calculating slat absorbers...

Steve, Everytime you write an explaination I believe it becomes more and more clear in your head, and so you are better able to pass it on to all of us. The teacher will always be the greatest learner. Thanks Eric

No, but wait ......... it gets better,......... it really does.......... See, I told you.

WGARFA - WHO GIVES A RAT FUCK ANYWAY

Look at the absorber plans on the SAE site. The cheapest absorbers that you can buy are about $2.30/sq. ft. You can build better absorbers for about $1.25/sq. ft. and they are easy to build. Look at them and give it a go before you buy. Eric

Go to this link. http://www.saecollege.de/reference_material/ Read everthing. Buy this book. http://www.amazon.com/exec/obidos/tg/detail/-/0071360972/qid=1041979500/sr=8-1/ref=sr_8_1/103-5152147-8623047?v=glance&s=books&n=507846 Read everthing. Pay attention to all the stuff you can do for...

Also to those who are thinking about wood, draw a grid on your backer board and write down the number right on the wood and then group the pieces that you cut and write the corresponding number on on the group after you've cut the length. This should make piecing together much easier. Eric

Lets go back to the design with the 2 1/4 gutter drain. Could you use sticky vinyl flooring tile to attach to the end of the tubes. Also this would act like a mini wide band panel absorber for lower freqencies. The frequencies absorbed would depend on the depth of each tube and the density...

Yeah, I'm the diving coach here. Eric

Stan, I made some panels using R-19. They work pretty good down to 250hz. If you put them in the panels paper side out they act as mid band absorber targeted at 250 -500 hz. If you have any questions about these, call me at 353-0652 ( my office). I should be here until about 3:30. Lee, how...

I don't remember what the prices were, but it was considerably less than 703. Are you doing a full studio or building panels? Eric

Hey Stan, I'm in Lansing also, and have had zero luck finding 703. OC was no help to me when I called. The closest thing I was able to find was Rockwool from a drywall company on Canal, South of 496 called Professional Drywall Supply. They didn't stock it, but were very willing to work with...

Speaking of sm57s, I was using a sm57 as a room mic for drums last night, usually I use a condenser. It sounded GREAT. We were talking about using just this track instead of the other 9. Never underestimate the power of the 57!!!!! (use the 57 Luke) Eric

Actually parallel walls are not quite the evil that they are sometimes reported to be. All (3) of the room that I have set up have been rectangular and have not had ideal dimensions. I would just use the whole area of the basememt and treat it. The book I recommended, "Master Handbook of...

What ever you do, don't set up a square room!!!!!! You need to learn about room modes. A couple places to go. My favorite resource, the master handbook of acoustics...

You used to be able to order them from Musicians friend or Carvin. I found mine at a local music store. All this said, I don't use them on my studio stuff, just my live stuff. for the studio, I just used a couple pieces of hard wood and screwed right into them. It works fine, and people...

My thought on this is that the carpet will only absorb the highest frequencies so your recordings would be deficient in the the high end since carpeting absorbs nothing else. My question is though, what would be the difference in using a wood floor as opposed to vinyl flooring? Is it worth the...