Hangers....

John, did you design the Sonar recording studio? What is the finish on the back wall where the acoustic hangers are? I wasn't able to work it out from the PDF plans... THanks very much

Yeah - the original plan doesn't exactly transfer to PDF. Sen - It's just a sealed box with insulation lining back and sides, hangers hung and a cloth front for asthetic look. cheers john

thanbks John so you have the cloth over the front panel of the sealed box, right?? What material and thickness are the panels of the box? Thanks a lot John

so you have the cloth over the front panel of the sealed box, right??

Yes - there is no need to put insulation in the front frame. Just stretch cloth over a 2" x 1" frame.

What material and thickness are the panels of the box?

I'm not sure what you mean. - do you mean the hangers themselves?? They are made from soft fiberboard (Canite) (1/2") with insulation wrapped around and hung at around 8" spacing. It's all described at the SAE site - look up hangers in the index. cheers john

John, you said the hanger boxes were "sealed". Did you mean sealed airtight with a plywood panel on the face? Or did you just mean sealed off by acoustic fabric on the front to hold the glass fibers in?

jazzman - I mean sealed in that the only way air can enter is through the gaps between the boards (the slots). cheers john