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17th December 2008
| #1 |
| Gear nut  Joined: Jan 2008
Posts: 145
Thread Starter | What glass to use?
I'm recunstructioning my speaker booth, basicly because I've noticed a leak at 200 Hz. Today the carpenter I've hired came back with the best window construction he could get. It's made from laminated glass and have a thickness of 5 cm. It's supposed to be soundproofed to 52 dB. At what frequency?, I asked. At 2000 Hz, he replied. How much will it block at 200 Hz?, was my next question. Oh, not much I'm afraid, he said... Do I need some kind of nuclear plant safety glass to get a silent box? How should the window between the control room and the box be constructed to block out plain human speach?  |
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17th December 2008
| #2 |
| Lives for gear  Joined: May 2004 Location: Hamilton, On Canada
Posts: 3,699
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You want mass equivalent to the wall leafs. If the leafs are drywall, approximately one third the thickness of the drywall. space the glass as far aprt as you can. Transparently, Andre
__________________ Good studio building is 90% design and 10% construction. |
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