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The theory is starting to sound somewhat more plausible. Still...

I suppose we'd just have to put five people in the car and rely on the fifth to play "what's that noise."

There is a limit to how well the systems work but if you're talking about low-frequency information then the long wavelengths help as the phase shift over a couple of feet of movement isn't much. That sounds plausible, but I don?t know. If you posit, for example, that the driver?s head is one meter...

Thanks for the detail. It clarifies a few things for me. But at the same time it doesn?t quell my wonder. First, just as a point of clarification, I?m not sure what you?re referring to here: ?The description of ?phase shifting? is completely wrong.? Do you mean Acura?s spiel or my speculation that r...

I just saw a print ad for it (in the New Yorker). Their ?explanation?: ?Microphones inside the cabin constantly monitor unwanted engine noise. When noise is detected, opposing frequencies are broadcast through the speakers to eliminate it, literally fighting sound with sound.? That sounds pretty ske...

Yeah, I wondered whether the model would make a difference. But wouldn't the action be similar enough that you could work out how it's supposed to fit together?

I have a wurli, though haven't had to deal with your issue. You might check youtube, where "vintagevibekeyboards" has posted videos of a variety of Wurli fixes, such as:
http://www.youtube.com/watch?v=gwb4po8v ... re=related
At least you might find some images for comparison.

Brandon (Trodden), I see from your studio space thread that you?re further along than when you wrote the above (and it sounds like you?re having a fun time sorting it all out!). But I realize that it?s on me to reply here in ?my? thread. First I should say that my project is on hold for the moment, ...

[I took a few days away from 'puters, as I picked up a few live sound gigs ? not my usual thing, but it will be good to do more of 'em as I gradually begin to dismantle my current studio config, in prep for the renovation.] Thanks for those links. The second one, with comparisons of different leaf c...

Ben, thanks for all that ? you got me rockin? the calculator! It makes sense that the Mass Law is a log function. ...basically the resonance frequency (f) is about f = sqrt ( ( 1140000 / d ) * ( ( m1 + m2 ) / ( m1 * m2 ) ) / ( 2 * pi ) Where d is cavity depth in inches and m1 and m2 are the lb/sf of...

The only suggestion I'd offer is to carve out the lower right corner of your long/live room and incorporate it into your control booth. Ha! I should?ve made it clear ? that?s where the front door is! If I could think about moving it, I?d be halfway to tearing the whole place down and rebuilding (a ...

Below is a plan-view sketch. The walls to be built are shown in brown. The control-room window is on the side facing the two brick steps up to the dining/kitchen area on the left (the kitchen counter is shown, with a brick planter at counter-height between kitchen and live room). The dark grey areas...

Thanks, Norton, that?s some really helpful comment. I like the aquarium analogy ? I think of it that way intuitively, but never conceived of in literally those terms. I don?t know how much of an issue the concrete floor may be. It?s actually in three large pieces (plus a few smaller ones) separated ...

Ah yes, another reason why I?ve focused on a staggered-stud design: the two fat pieces of glass I?ve got are of slightly different dimensions. Using staggered studs will allow me to frame them separately. With trim pieces, they will look they same size when finished. But you?re right, I could use 2x...

Ah yes, another reason why I?ve focused on a staggered-stud design: the two fat pieces of glass I?ve got are of slightly different dimensions. Using staggered studs will allow me to frame them separately. With trim pieces, they will look they same size when finished. But you?re right, I could use 2x...

Norton, thanks for the tips. I'm pretty sure I'm not going with steel studs, for at least two reasons. One is that the my glass is pretty heavy, and I've read (Gervais?) that wood framing will handle the weight better. Also, the existing structure has so many idiosyncratic angles that I'm confident ...