John Sayers' Recording Studio Design Forum

Does anyone know a source who sells Acoustical/Diffuser ceiling tiles at a reasonable price??? I know lots goes into the square root factor and all in making and designing them, but at a 75.00 to 100.00+ for a 2ft by 2ft square is rather expensive.

Anyone know where they can be bought reasonable?? I looked at the link under Auralex reference the QuadraPyramid, but there are no prices>?

I would love to find a source for the Skyline style at a good price.

Thanks
AJ