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Fonostop duo, any good from this?

Posted: Fri Mar 18, 2005 11:58 am
by moby
I founded this in my area, but not sure is it good for studio building :?:
I planned to use it under floating floor. data sheet say "ISO noise emission level at 500 Hz, “floating floor” " Ιi:40.5 dB. Thats nice, but what about under 500hz :? Anyway, here's the link for datasheets,
http://www.index-spa.com/IndexSPACOM/do ... Duo_en.pdf this is short form, and here is the complete ,
http://www.index-spa.com/IndexSPACOM/TE ... df/256.pdf
Any comment
:D