The Inlaws Hometheater - AVS Forum
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post #1 of 30 Old 12-15-2010, 06:18 PM - Thread Starter
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The inlaws purchased a house about a mile away from us and said.


We can't ever go back to a regular tv after seeing what you have in your basement


So they cut me a check and said, "build us a home theater!" And here I am and this is what I am presented with.

The room is basically 10x27x9' with the front part of the room being about 12' wide and running that width for 9'.




and here is what I am planning
Equipment
8700UB
Onkyo 708
PS3 player
Econowave SR's as LCRS
Econowave mini S8's as surrounds
Dual THT's
136" Seymour AT screen

the seating setup is going to be 2 wide and three rows deep, I figured that is the maximum amount of people I fit with a 10' wide room. For the screen I wanted to go as big as possible so I was going to run it out to the width of the room but I have a feeling this is too big. Going to use dd and quiet clips for the ceiling and dd for the sides and use a staggered stud configuration where we will need to put a wall in. I figured I would also build an additonal wall behind the speakers since that is a bedroom rite behind it, but I am also curious if there is any advantage to this. I am going to plug that rear window also.

One big issue though is that the HVAC runs directly above the theater in the joists and can't be moved. The HVAC is mounted so that it touches the joists by way of screws and brackets. Is there any utility that I can use to decouple the HVAC from the joists?

Here is what I hope it will look like in the end

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post #2 of 30 Old 12-15-2010, 06:18 PM - Thread Starter
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Reserved for finished theater
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post #3 of 30 Old 12-15-2010, 07:05 PM
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Cool project. Just a few comments:

1. Which way is that door going to swing? Doesn't look like you have room for it to swing into the theater without hitting the first chair. Swinging out as drawn would be awkward with a group of people coming down the stairs. You might want to put the hinges on the other side and have it swing out away from the stairs. Maybe cheat it a little further back towards the riser too so you have a little more breathing room at the bottom of the stairs.
2. How far back is the first row from the 136" screen? Might be a little close depending on how deep your false wall gets.

Look forward to seeing your progress. I'm sure the inlaws will love it, especially with the dual THTs.
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post #4 of 30 Old 12-15-2010, 07:17 PM - Thread Starter
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seating is about 12', 17' and 22', the area depth behind the screen is about 18"
LL
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post #5 of 30 Old 12-15-2010, 07:31 PM
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Quote:
Originally Posted by stgdz View Post

seating is about 12', 17' and 22', the area depth behind the screen is about 18"

Based on your rendering, it looks like you are planning recliners for each row. You'll need to space them further apart to avoid kicking the person in front of you (6 1/2'-7' rather than 5').
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post #6 of 30 Old 12-16-2010, 10:39 AM - Thread Starter
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yeah i will probably have to go for regular theater seating in the back row.
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post #7 of 30 Old 12-16-2010, 11:03 AM
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You can buid a soffit around the duct. The side wall next to the stairwell is an issue. Can you build a double wall there so the new waall is 1" from the original stairwell?

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post #8 of 30 Old 12-16-2010, 12:06 PM - Thread Starter
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Can't really do much work to that side wall by the stairs, its 6" wide and I was hoping that I could do a staggered configuration but it looked like those were loading sections for the middle of the house.

When looking at that though I did ask myself, with the way that is configured is there much benefit to try to sound proof this place when they are going to be the only ones in it?
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post #9 of 30 Old 12-16-2010, 12:08 PM
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Quote:
Originally Posted by stgdz View Post

is there much benefit to try to sound proof this place when they are going to be the only ones in it?

Not unless there's a lot of environmental noise to keep out.

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post #10 of 30 Old 03-18-2011, 07:12 PM - Thread Starter
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Figured I would update this but there has been a small bit of progress made. I will see if I can get more pics tomorrow.
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post #11 of 30 Old 03-20-2011, 08:02 AM
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A few issues I see:

Will those horns work for side and rear surrounds with the seating so close to them?

Multiple rows of side surrounds work better for narrow rooms.

The door swing into the room and the seat look like a clearance issue.

Could the room work better flipped end for end? Two rows of three seats in the wider section and a smaller AT screen up front. What's under the stair area? Is there room under there to enter at riser level? And the av rack might fit the understair area.
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post #12 of 30 Old 03-20-2011, 09:33 AM
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Looks great to me! I wish my in-laws were this cool!

Maybe it's the scale or perspective of the drawing but those rear and side speakers seem awfully large to me. Is there an in-wall option you like instead? In-walls would free up the room visually rather a lot, I think.

My only opinion on screen size is that bigger is generally better!
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post #13 of 30 Old 03-20-2011, 12:39 PM - Thread Starter
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Here are the pictures, I really need to clean my lens. Waterproof cameras are great till you take them out of the water and then you have spots all over the lens. The walls and carpet are a dark grey and not green like the pictures show.


I wish it would warm up also the THT's need some spackle and a couple of coats of paint. Maybe I will start on the screen wall. The love seat is temporary. Also I am only going to use 3 SR's and i am in a bit of bin because QSC no longer sells their HPR waveguide to the general public so I am trying to figure out if I will just use the standard econowave waveguide. The rears though are going to be the econowave S8 mini's.
LL
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post #14 of 30 Old 03-20-2011, 03:46 PM
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Looking good!

Go with SR compacts instead. The FR wiggle is up so high, i doubt anyone over 50 is even capable of hearing it as it's a null instead of a spike. The nice sloping response is very ear friendly anyways.
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post #15 of 30 Old 03-20-2011, 04:49 PM - Thread Starter
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well I allready purchased the SR components including the crossovers, I was on my way to ordering the wave guides and then QSC shut it all down.


I have been trying to figure out what waveguide to use and it looks like the original will suffice, it shows up slightly out of phase at the cross point in PCD.
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post #16 of 30 Old 03-27-2011, 04:16 PM - Thread Starter
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got the front speakers done yesterday. Well done is in that I put them together when the boxes were close to being done. I still have to add some fiberglass and a couple of braces but they sound really good
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post #17 of 30 Old 03-27-2011, 04:18 PM - Thread Starter
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I also built a stand for them today, but I don't think it is tall enough. The top of the stand is 24" tall. I am going to test out some seat placements tomorrow to see if it is tall enough.
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post #18 of 30 Old 03-28-2011, 08:19 PM - Thread Starter
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So what is the best way to build a false wall? I am going to cement nail the bottom to the floor but I am uncertain about the side and top. Do I just wall anchor or use toggles to hold the frame in place?


How do people with risc clips do it?
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post #19 of 30 Old 03-29-2011, 12:44 AM
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question can the stairs be moved or is there a point load??


rear speaker placement 12-13' 1st set down 1/2'-1' 2nd set at 19-20'..


personally i would steel framed it running wires..


my opinion i'd push pj behind back wall
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post #20 of 30 Old 03-29-2011, 07:18 AM
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Quote:
Originally Posted by stgdz View Post

So what is the best way to build a false wall? I am going to cement nail the bottom to the floor but I am uncertain about the side and top. Do I just wall anchor or use toggles to hold the frame in place?


How do people with risc clips do it?

Toggle or wall anchor is common. Can restrict ceiling movement a bit = a bit of lost isolation

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post #21 of 30 Old 03-29-2011, 08:05 AM - Thread Starter
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Quote:
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Toggle or wall anchor is common. Can restrict ceiling movement a bit = a bit of lost isolation

Any preference?


the contractor said anchors almost always rip out while toggles stay.
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post #22 of 30 Old 03-29-2011, 08:50 AM
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I don't have a preference

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post #23 of 30 Old 04-22-2011, 07:34 PM - Thread Starter
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Finished the subs tonight




Tomorrow I put them in the room, still need to finish the rear and sides though.
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post #24 of 30 Old 04-25-2011, 08:19 PM - Thread Starter
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THT stack in place, my father inlaw put on the headphones while I ran them through their paces at reference level.

LL
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post #25 of 30 Old 05-18-2011, 05:37 PM
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Quote:
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THT stack in place, my father inlaw put on the headphones while I ran them through their paces at reference level.
Groovy! ^_^
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post #26 of 30 Old 05-31-2011, 04:56 PM - Thread Starter
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Took a pile of components



and built some surrounds




They sound really good so far, like smaller versions of my surrounds. I am going to need to do the rears still but those are a bit more complex in the angles.




Also I went through and had audyssey do its thing for calibration and man were the levels off for its final output with the receiver. It sounds like it calibrated all of the levels to 75dB instead of 85dB it also set the sub to probably 75-80dB instead of 95dB when the receiver is set to thx. I am going to verifiy this tonight but the entire system sounded gutless when I was listening to it, iron hides flip barely broke 105dB and that is supposed to be a 120dB scene with the entire room shaking.


So has anyone had issues with audessy before?
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post #27 of 30 Old 08-14-2011, 08:52 PM
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Lovin what you've done so far. Any updates?
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post #28 of 30 Old 02-09-2012, 08:50 AM
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post #29 of 30 Old 02-09-2012, 09:39 AM
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If it is an in-laws theater, shouldnt you just have them stand in there and seal them in with concrete? Completely sound-proofed, and escape proofed!
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post #30 of 30 Old 12-04-2012, 04:38 PM
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I wanna see the finished room! biggrin.gif

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