And so it came to pass, on 04-30-97 16:07,
   that Terry Smith spake unto John Allen:
 TS> You could build that 2x6 wall with 2x4's on 12" alternate centers,
 TS> with slightly better thermal insulation than with 2x6's through, no
 TS> holes in studs needed for wiring, and eliminate the tympanic effect
 TS> of normal studs.  Few add on materials you can buy offer the low
 TS> frequency isolation that isolated, sealed layers do.  Mass in that
 TS> wall helps though, with heavy commercial fire rated sheet rock
 TS> better than common unrated types. Of course, a poured concrete
 TS> outer layer and an isolated internal wall is nicer.    
No no no!  The ultimate sound proofing would be two separate walls with pure 
vacuum in between (in other words, seal the mothers up, and suck all the air 
out from between them).  Sound doesn't conduct well at all without a medium 
to conduct it :-)
 JA>>         Q>  I read somewhere that a perfectly quiet room would not
 JA>> be the best environment as a listening area. I would be 
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Love, luck, and lollipops...
Matt


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