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I didn't see this before now, but if we can figure out a spot late in the afternoon I'd be in for one.

Frank

John Make sure your framing is strong enough for any add'l mass. Get a joist span table (or better, a structural engineer) and make certain the joists can hold the mass safely. Also, make sure any air penetrations between floors are sealed w/ acoustic caulk. One tiny hole can undo many $$ worth of e...

J The best sound seal is w/ c. Use a surface mounted pull handle to open it. By not boring a 2" hole thru the door (for a standard lockset) you save a bit of isolation. The down side is that you probably need to use a door closer to keep the door closed, and they run $75 and up and are a bit of a nu...

How about 4 pm Saturday the 12th at the 3 Dogs?

John

I'm game; I can get in touch with w/ a couple of pals and try to double our turn-out. Maybe between the 10th to 13th of Aug?

Frank

The design for the bass trap was by Eric Blackmer of Blackmer Sound. The plan he gave me to build it was a little sparse on details, so I improvised a little, and also used some material Craig had on hand to save $. You might be able to sweettalk him into a copy of them, though I'm not sure. The fac...

You might see if anyone has a lead on this at John Sayers forum:

www.johnlsayers.com

They have a forum called "Speaking of Speakers"

I have some old Advent 3's that I like a lot; yours are probably worth the work.

Frank

Lads

I'll be back in Denver over Memorial Day; anyone up for a rendezvous?

Frank

Jon It sounds like a trip to Tucson for TapeOpCon might be in order for you if you can swing it; Fran Manzella, Russ Berger, and Eric Blackmer are all acousticians/studio designers who will be attending and participating in the conference. I'm pretty sure you'd be able to ask them about your interes...

check 'em out at

www.con.tapeop.com

I'm going; I'll be helping out w/ the "treat your 2.0/5.1" rooms

Frank

Sco has the right idea here:

flammable room treatments + enclosed (commercial?) space = really bad idea.

Frank

Another possibility are replacement inlet filters for an airless paint sprayer. Go to a painting contractors supply shop, and have a look; most are round like a mic, and look a lot like the screen on an AKG c1000, with some size variations.

Kevin

If iso is what you're after, you'll get more w/ 2 layers of 1/2" instead of the RC and 5/8.

Frank

Merci nube, will investigate.