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What did you wind up doing?

How did you finally make out?

A few comments here: Standard fiberglass (R-19 in a ceiling and R-13 in a wall) will work as well as any specialized insulation. There is certainly no need to pay a premium for insulation unless you're looking to avoid fiberglass, etc. Room-within-a-room is a description for all 4 walls and...

The fiberboard materials really don't add / do much. They are too dense to adequately decouple, and are also too dense to provide much absorption. Mineral fiber will perform as well as standard fiberglass in a wall or ceiling cavity. Not advisable at all to introduce spacers between drywall...

There are a lot of good, prudent things that we know work, but no one has ever said why from a physics standpoint. I just hope that long post made some sense. Thanks for allowing me to post that. So often we get caught up in fancy products (because people are actively selling them) that we...

The separate ceiling is a method of decoupling. Like double stud walls or staggered walls. Resilient clips are also a means to decouple. So for a ceiling you could assemble a floating ceiling with separate joists as Wayne pointed out. Or use clips, though the floating ceiling is a lot better...

I would personally use a sheet or two of 5/8" drywall. MDF is denser, but drywall is so much easier to work with and cheaper. You will not get the isolation regardless. You just can't layer in enough mass. But the mass will help.

The low frequencies is where it all either happens or it doesn't. The quiet rock is a bit expensive for what you get. Or what you could get with other techniques and materials.

Hi Chris, So by decoupled mass you meas Mass Loaded vinyl or wall within a wall, or maybe staggered studs? Thanks

Sounds cool Dan. Make sure and take pictures as you mentioned. Ted

Wondering what folks have used and what they felt worked.

Derek, So what did you wind up doing?

I'm curious what the unit "one step up from a G-90" is?? There were a couple of re-=packaged Marquee Ultras that had stiff price tags but are not better, just priced higher. Ted

Actually, mass is your best friend right now. You want cheap mass, however. MDF is great mass, but as mentioned...too expensive for what you need it for. First reinforce the ceiling grid with more support wires, Then place drywall sections, probably cut the same size as the existing tiles so...

That would be helpful, wouldn't it. I must need my head examined. Sorry. The unit is $4000. Ted

This unit is still available. Really a great deal. Want to move before 2003. Comes with all manuals, remote, etc. Ted

This unit is still available. Best CRT there is. Ted

Owned by a SONY dealer. Perfect shape, no abuse whatsoever. With 400 hours, it's nearly new. It's here in the states and can ship anywhere. Ted

Yes it's a drooler, all right. No dust, still in the box. Ted

$22K including the Chief ceiling mount. With 2 year SONY warrantee. Brand new, zero hours. Ted

How does one contact Danny? These ribbons are intriguing... Ted

I realize there are many system recipes for sale, but I recall from a few years ago there were sites dedicated to winning designs. Any systems that anyone is actually using, loves raves and tells everyone else tu build? Maybe my budget's too low. How about $500 per speaker for drivers and...

I'd like to stay under $350 in drivers / x-overs per speaker. I have MDF coming out the wazoo so that's covered. Ted

This is obviously THE site for DIY theater speakers. Just curious if there is concensus on what the best overall package looks like and where the recipe might be. The plan is for three identical fronts, and a sub. Sides and rears could be slightly different from the mains. Quality, vs...

What are the ribbons Danny has? Ted

This place is lookin' good, my man. Very nice... Ted

Dennis Erskine for the design and acoustic background. He's THE man. The rest is just trial and error. I networked a lot and asked silly question two and three times. Ted

Hey Bill, The thinking is that stiff walls, or really stiff surfaces in general are less apt to be a potential bass absorber. For example, it's possible for a wall with Resilient Channel to act as a bass absorber. The slightly flexible wall can act as a diaphram. I say CAN. So I was...

Yes indeed. But it's fun. Ted

many pics of the replacement of my steel support beam. Link Removed Feel free to e-mail with any questions. Ted