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#84772 - 03/10/05 11:47 PM Re: Designing a Home Theater Room
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13323
Loc: Iowa
ok, I'm going to wait until you post all your pics, again ignore my last post, as now I see your planning a front projection system, nice.

One thing, if you room is 20 x 20, and it looks as if your planning on a projector pretty much centered, your going to have to find a short throw model, like the Sanyo Z2 or Z3 to get a large image with such a short distance....
_________________________
M80s-VP180-QS8s-EP600-2xEP350 Denon3808 Outlaw7700
M22-OWM22-VP100-Denon2805
Audio Nirvana

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#84773 - 03/10/05 11:52 PM Re: Designing a Home Theater Room
BethR Offline
buff

Registered: 03/07/05
Posts: 49
Loc: El Dorado Hills, CA
That's all the pictures... well isometric drawings, actually. (Did I mention that my grandpa, Jack's dad, was a draftsman? It run's in the family ).


I've already got the Infocus projector and ceiling mount.

Currently, I have all the electronics in place and a pair of mid 90's vintage 301's along with the center and surrounds that came bundled with my receiver (toys). A sub came with the bundle, too, but it's the next thing on the list to get replaced. The M60's, QS8's and VP100 are due in tomorrow.

Anyway, that's the idea.
_________________________
BethR - El Dorado Hills, CA
To thine own self be true.

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#84774 - 03/10/05 11:54 PM Re: Designing a Home Theater Room
bridgman Offline
axiomite

Registered: 08/25/04
Posts: 5343
Loc: Bowmanville, Ontario, Canada
OK, I see two things to think about so far :

1. The basic dimensions of the room (square) are going to be a bit of a challenge in terms of room modes, although the bevelled roof, the bookcases, and the openings in the west wall will definitely help (and half a cube is way better than a cube ).

Your main challenge is going to be a big response peak around 56 Hz.

2. If I remember correctly you have windows on the east wall and openings on the west wall. Assuming you leave the furniture oriented as it is now, you're going to need some VERY heavy drapes or equivalent over the windows on the east wall to keep the side reflections "balanced" and get nice clear imaging.

On the other hand your planned speakers are a good size for the room and the M60s sound great when they're pulled away from the wall. If I didn't screw up the math, you may find that pulling the M60s a few feet away from the wall (fronts 5' from the wall and 5' from each side wall) will tame that nasty 56 Hz peak. I haven't had a chance to do a lot of tinkering with this stuff though, so (a) don't worry too much about the bad things I'm saying and (b) don't get your hopes up about the good things. On the other hand, if I'm right about one I'm probably right about the other

Gonna wait for the rest of the posts now...

John

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#84775 - 03/10/05 11:56 PM Re: Designing a Home Theater Room
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13323
Loc: Iowa
ok, I think I need to give up and go to bed, now I see you already have a projector. One bit of advice, I'm not familiar with the Infocus DLP models, as I own Sanyo projectors and need to stay away from the Rainbow Affect in DLP technology. Many projectors can be prone to dust collecting on the optics or internals of the projector. Make sure you don't run the fan while viewing, and I would make sure you keep the fan dusted often with a swiffer

Anyway, some things I notice regarding the speakers: Normally you need to allow some room for the M60's baffles on the back to breath and let the low bass filter into the room, the pictures shows them pretty close to the walls. In addition, this may also apply to the Sub, I don't think you want it enclosed within shelves. One thing to think about, the sub sound is not directional, especially below 80hz, so you can place it anywhere and still feel the bass, you don't have to have it pointing towards the listening area....that may give you some other ideas, heck some use them as end tables good night.
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M80s-VP180-QS8s-EP600-2xEP350 Denon3808 Outlaw7700
M22-OWM22-VP100-Denon2805
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#84776 - 03/10/05 11:58 PM Re: Designing a Home Theater Room
BethR Offline
buff

Registered: 03/07/05
Posts: 49
Loc: El Dorado Hills, CA
Hi ravi,
In reply to:

will you be using a sub?



Definitely. Right now I have the pioneer sub that came bundled with my receiver. After my budget recovers from the M60's, QS8's and VP100, I'll be investing in a much more significant sub. Summertime? We'll see.

In reply to:

what amp/receiver will be driving those speakers?



Pioneer VSX-D711 Receiver. As pioneer (is that pronounced "Pee in my ear"?) goes, it's pretty good and well featured. It'll get upgraded after my budget recovers from the sub

Enjoy!
_________________________
BethR - El Dorado Hills, CA
To thine own self be true.

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#84777 - 03/11/05 12:09 AM Re: Designing a Home Theater Room
BethR Offline
buff

Registered: 03/07/05
Posts: 49
Loc: El Dorado Hills, CA
Thanks for the comments, bridgman!

In reply to:

openings in the west wall will definitely help (and half a cube is way better than a cube




Windows with wooden venetion blinds to the west. Openings to large airspace to the east.

In reply to:

a big response peak around 56 Hz



Fabulous! Close enough to 60Hz that anything that does couple in is going to be REALLY noticeable

In reply to:

the M60s sound great when they're pulled away from the wall



The northwest (Left) M60 will be about a foot away from the west wall and about 8" in front of the bookshelves. Those bookshelves have some space left in them (unlike the south and east bookshelves) and they're 50cm deep (what... about 20", yah?). That should act as distance from the north wall , anyway.

The Right M60 will be the same distance out from the bookshelves, but a LONG way from the east wall.

In reply to:

pulling the M60s a few feet away from the wall (fronts 5' from the wall and 5' from each side wall)



That puts the Left one right in front of the couch. Probably bad for other reasons

Thanks for the tips!
_________________________
BethR - El Dorado Hills, CA
To thine own self be true.

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#84778 - 03/11/05 12:12 AM Re: Designing a Home Theater Room
curtis Offline
connoisseur

Registered: 05/28/03
Posts: 1501
Loc: Manhattan Beach, CA
In reply to:

As pioneer (is that pronounced "Pee in my ear"?)......



Yup...she's related to Jack.....

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#84779 - 03/11/05 12:13 AM Re: Designing a Home Theater Room
chesseroo Offline
connoisseur

Registered: 05/13/02
Posts: 4800
Loc: western canada
That's a lovely room Beth.
Pictures are always nice but drawings are just plain fun. Sometimes planning is more exciting than a finished product. With so much excitement, the project seems to never get completely finished and instead goes through constant transformations into the next level every other year or so.
That's when the hobby really gets expensive...
_________________________
"Those who preach the myths of audio are ignorant of truth."

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#84780 - 03/11/05 12:15 AM Re: Designing a Home Theater Room
BethR Offline
buff

Registered: 03/07/05
Posts: 49
Loc: El Dorado Hills, CA
Hi sirquack
Thanks for the advice re: dust and DLP projectors.

As far as DLP rainbows... yes, I can see them, but no one else in the family claims that they see them. The wheel speed is really high, though, so it's no where near as bad as my first experience with DLP projectors in the Compaq business grade projectors a couple of years ago. BTW, I used to work at Compaq, now I'm at TI.

In reply to:

the Sub, I don't think you want it enclosed within shelves. [...] you can place it anywhere and still feel the bass, [...] some use them as end tables



Hmm... End table might be good. How about under the foosball table just behind the couch? Does being behind the listening/viewing are cause any trouble?

Thanks Again,
_________________________
BethR - El Dorado Hills, CA
To thine own self be true.

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#84781 - 03/11/05 12:20 AM Re: Designing a Home Theater Room
bridgman Offline
axiomite

Registered: 08/25/04
Posts: 5343
Loc: Bowmanville, Ontario, Canada
>>Windows with wooden venetion blinds to the west. Openings to large airspace to the east.

Whoops, I got that backwards huh ?

You live in Texas so you can leave the windows open without having to worry about snow drifts in front of the TV. Put the blinds at a 45 degree angle when you're doing critical listening, that should help

>>That puts the Left one right in front of the couch. Probably bad for other reasons

Mmm. Have to agree with that.

Anyways, looks like it's going to be a fantastic system.

Speakers arrive tomorrow, huh ? Have you already called in sick or are you going to wait until the morning ? Remember to drink some milk just before calling to help sound congested...


Edited by bridgman (03/11/05 12:22 AM)

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