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Forum: Dedicated Theater Design & Construction   08-20-2014, 01:06 AM
Replies: 565
Views: 28,535
Posted By BasementBob
Roxul rockwool, Owens Corning fiberglass pink,...

Roxul rockwool, Owens Corning fiberglass pink, even that blue jean stuff. If foam it must be open cell with lab tested sound absorption coefficients.
I'm fond of Roxul Safe n Sound, but it doesn't...
Forum: General Home Theater & Media/Game Rooms   08-18-2014, 09:48 PM
Replies: 7,912
Views: 730,439
Posted By BasementBob
Watched Jodorowsky's Dune (2013)...

Watched Jodorowsky's Dune (2013) (http://www.amazon.com/dp/B00J5LXMTG)
0.7/5 (amazon 4.1/5, imdb 8.2/10, rotten tomatoes 91%)


Obviously
I bought it because of the incredible reviews, and
I...
Forum: Dedicated Theater Design & Construction   08-18-2014, 12:48 AM
Replies: 565
Views: 28,535
Posted By BasementBob
Granroth: a) Shouldn't you apply the...

Granroth:


a) Shouldn't you apply the putty about half an inch (or 1-1/4" in your case) from the front edge to allow for 1/2 drywall to be flush with the box ?
b) Shouldn't you be wrapping the...
Forum: Dedicated Theater Design & Construction   08-14-2014, 09:17 PM
Replies: 565
Views: 28,535
Posted By BasementBob
If your 'decoupled walls', are mounted on the...

If your 'decoupled walls', are mounted on the same floor below, or mounted to the same 'floor above' (aka ceiling joists) possibly even with isolation clips...
Forum: Dedicated Theater Design & Construction   08-12-2014, 11:00 PM
Replies: 565
Views: 28,535
Posted By BasementBob
We're all but babes in the lap of Brian R @ Green...

We're all but babes in the lap of Brian R @ Green Glue, and others.
And I'm not an expert. I merely spent a few years sitting at the internet feet of giants, some during the years they figured...
Forum: Dedicated Theater Design & Construction   08-12-2014, 08:46 PM
Replies: 565
Views: 28,535
Posted By BasementBob
Granroth: I was looking for the STC charts (TL...

Granroth:
I was looking for the STC charts (TL graph 80hz to 5000hz, with unofficial data from 25hz to 10khz), not the single STC numbers.


Any comparisons would best be done from Green Glue's...
Forum: Dedicated Theater Design & Construction   08-12-2014, 05:52 PM
Replies: 565
Views: 28,535
Posted By BasementBob
Can you dig up two STL charts to verify that...

Can you dig up two STL charts to verify that assertion ? (two walls of same mass and approximately same size cavity, one decoupled but no green glue, the other with green glue but no decoupling, and...
Forum: Dedicated Theater Design & Construction   08-12-2014, 11:37 AM
Replies: 565
Views: 28,535
Posted By BasementBob
It would be more accurate to say that a $100,000...

It would be more accurate to say that a $100,000 soundproofing job with a small defect, may be less effective than a $10,000 soundproofing job with no defects.
By way of example, there was a...
Forum: Dedicated Theater Design & Construction   08-11-2014, 08:47 PM
Replies: 565
Views: 28,535
Posted By BasementBob
Two thoughts: #1...

Two thoughts:


#1 (http://www.avsforum.com/forum/usertag.php?do=list&action=hash&hash=1) ) The muffler area is a six sided box with two holes, one for air in, and one for air out.


#2...
Forum: General Home Theater & Media/Game Rooms   08-09-2014, 12:31 AM
Replies: 7,912
Views: 730,439
Posted By BasementBob
Watched Noah (2014)...

Watched Noah (2014) (http://www.amazon.com/dp/B00JBGWP3Y)
3/5 (amazon 2.2/5 (lots of 1 star), imdb 6.1/10, rotten tomatoes 44% (critics loved it), Decent Films: B+...
Forum: General Home Theater & Media/Game Rooms   08-02-2014, 08:09 PM
Replies: 7,912
Views: 730,439
Posted By BasementBob
Watched About Time (2013)...

Watched About Time (2013) (http://www.amazon.com/dp/B00BEIYGQG)
4/5 (amazon 4.4/5, imdb 7.8/10, rotten tomatoes 81%, AVS Lee Weber: 4/5...
Forum: General Home Theater & Media/Game Rooms   07-27-2014, 08:04 PM
Replies: 7,912
Views: 730,439
Posted By BasementBob
Watched Sabotage (2014)...

Watched Sabotage (2014) (http://www.amazon.com/dp/B00JU94ZPS)
3/5 (amazon 3.6/5, imdb 5.8/10, rotten tomatoes 39%, AVS Ralph Potts: 1.5/5...
Forum: General Home Theater & Media/Game Rooms   07-24-2014, 11:47 PM
Replies: 7,912
Views: 730,439
Posted By BasementBob
Watched Timestalkers (1987) ...

Watched Timestalkers (1987) (http://www.imdb.com/title/tt0094154)
3/5 (amazon 3.6/5, imdb 5.7/10)
A 1986 history professor, becomes involved with two time travelers from the year 2586 after making...
Forum: General Home Theater & Media/Game Rooms   07-22-2014, 07:09 PM
Replies: 7,912
Views: 730,439
Posted By BasementBob
Watched Raid 2 (2014)...

Watched Raid 2 (2014) (http://www.amazon.com/dp/B00J5LXTUI
2.2/5 (amazon 4.4/5, imdb 8.4/10, rotten tomatoes 90%, AVS Ralph Potts: 4/5)...
Forum: General Home Theater & Media/Game Rooms   07-17-2014, 03:54 PM
Replies: 7,912
Views: 730,439
Posted By BasementBob
Watched Stalingrad (2013)...

Watched Stalingrad (2013) (http://www.amazon.com/dp/B00IVLR9LI)
2.8/5 (amazon 3.3/5 (even distribution), imdb 5.5/10, rotten tomatoes 44%, AVS Ralph Potts: 3.5/5...
Forum: General Home Theater & Media/Game Rooms   07-16-2014, 08:16 PM
Replies: 7,912
Views: 730,439
Posted By BasementBob
Watched All Is Lost (2013)...

Watched All Is Lost (2013) (http://www.amazon.com/dp/B00GTO6X0W)
1.5/5 (amazon 3.1/5 (even distribution), imdb 6.9/10, rotten tomatoes 63%,
Robert Redford, alone at sea. No dialog.
Dull.
After a...
Forum: Dedicated Theater Design & Construction   07-16-2014, 09:48 AM
Replies: 10,426
Views: 1,334,647
Posted By BasementBob
Superposition of waves: net amplitude caused by...

Superposition of waves: net amplitude caused by two or more waves traversing the same space is the sum of the amplitudes which would have been produced by the individual waves separately.

In a...
Forum: Dedicated Theater Design & Construction   07-12-2014, 12:37 PM
Replies: 10,426
Views: 1,334,647
Posted By BasementBob
Skip the FRK/foil. Membrane absorbers require an...

Skip the FRK/foil. Membrane absorbers require an expert. If you understand how to make a membrane absorber, and how to measure/calculate the effects of existing wall resonance on the membrane, you're...
Forum: Dedicated Theater Design & Construction   07-11-2014, 09:32 PM
Replies: 10,426
Views: 1,334,647
Posted By BasementBob
Vinyl will reflect some frequencies (higher f),...

Vinyl will reflect some frequencies (higher f), and transmit (through it) other frequencies (lower f).
Generally speaking, anything more solid than 1/8" Masonite is ok as a diffuser.


The...
Forum: Dedicated Theater Design & Construction   07-11-2014, 09:22 PM
Replies: 10,426
Views: 1,334,647
Posted By BasementBob
To answer your last question first "Would this be...

To answer your last question first "Would this be a better product to create Bass Traps out of?"
No.
Please see: http://www.bobgolds.com/AbsorptionCoefficients.htm
look for 703, and compare it...
Forum: General Home Theater & Media/Game Rooms   07-09-2014, 10:04 AM
Replies: 7,912
Views: 730,439
Posted By BasementBob
Watched Operation Petticoat [Blu-ray] (1959)...

Watched Operation Petticoat [Blu-ray] (1959) (http://www.amazon.com/dp/B00K6J7Q6G)
3.5/5 (amazon 4.7/5, imdb 7.3/10)


I've seen this several times before, but I recently replaced my DVD with a...
Forum: General Home Theater & Media/Game Rooms   07-09-2014, 09:46 AM
Replies: 7,912
Views: 730,439
Posted By BasementBob
Watched Star Wars: Episode I - The Phantom Menace...

Watched Star Wars: Episode I - The Phantom Menace (1999) (http://www.amazon.com/dp/B00003CX5P)
4/5 (amazon 3.5/5, imdb 6.6/10)

About half an hour in, little 'handmaiden' Padme is walking beside...
Forum: General Home Theater & Media/Game Rooms   06-30-2014, 08:52 PM
Replies: 7,912
Views: 730,439
Posted By BasementBob
300: Rise of an Empire (2013)...

300: Rise of an Empire (2013) (http://www.amazon.com/dp/B00BEJL6Q8)
3/5 (amazon 3.1/5 even distribution, imdb 6.5/10, AVS Ralph Potts: 3/5...
Forum: General Home Theater & Media/Game Rooms   06-28-2014, 03:35 AM
Replies: 7,912
Views: 730,439
Posted By BasementBob
Watched 3 Days to Kill (2014)...

Watched 3 Days to Kill (2014) (http://www.amazon.com/dp/B00JA3RPAG)
2.9/5 (amazon 3.2/5, imdb 6.2/10, rotten tomatoes 47%, AVS Ralph Potts: 3/5...
Forum: General Home Theater & Media/Game Rooms   06-28-2014, 03:21 AM
Replies: 7,912
Views: 730,439
Posted By BasementBob
Watched The Corruptor (1999)...

Watched The Corruptor (1999) (http://www.amazon.com/dp/B00000JGNP)
2.9/5 (amazon 3.8/5, imdb 6.0/10, rotten tomatoes 49%)
Actor Yun-Fat Chow the year before he did "Crouching Tiger, Hidden Dragon...
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