Christmas Build - Page 7 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #61 of 103 Old 01-23-13, 10:37 AM
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Re: Christmas Build

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At $26,000 installed, they are a little outside my budget at the moment. Have to wait until payday.

Flat response to < 1Hz would be fun with all the new sub-bass coming out in movies these days, but would still need the IB to handle 20-80Hz. At 5Hz and less, this thing moves doors back and forth 1" while playing - it would be a new level of vibration for a house to deal with.

This is the only upgrade I could think up beside adding more drivers to the IB. Gotta plan ahead.

http://www.youtube.com/watch?v=oJ2nF1w5opU
I'd be careful what you wish for -- my wife's already trying to blame me and my new IB for a plumbing leak we just got! It was just a ridiculously bad job of installing two stacked wax rings under a toilet, but anyway I thought it was pretty funny, and she would not be convinced otherwise.
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post #62 of 103 Old 01-26-13, 11:12 AM Thread Starter
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Re: Christmas Build

Great idea guys. I am going to get this thing in place and then go from there with your suggestions.
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post #63 of 103 Old 01-26-13, 11:27 AM Thread Starter
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Re: Christmas Build

OK, I have ripped into the wall. Here is the carnage.

Drywall gone


Getting the double layer of insulation out.


Too many 2X4s


Almost there.


Almost there......


Ha - Haaaaa. First test fit. So far everything going to plan. Finally starting to feel like this might really come out well.


9 inches of Concrete I have to get rid of. Time to go rent some heavy equipment. Hope my house doesn't fall down. That should happen when I turn this thing on.


Now I need to frame around the sub to secure the wall again. Right now, you can push the wall 1" with one finger.
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post #64 of 103 Old 01-26-13, 11:38 AM Thread Starter
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Re: Christmas Build

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zacjones wrote: View Post
I'd be careful what you wish for -- my wife's already trying to blame me and my new IB for a plumbing leak we just got! It was just a ridiculously bad job of installing two stacked wax rings under a toilet, but anyway I thought it was pretty funny, and she would not be convinced otherwise.
My wife thinks I am just crazy. She does not share my love of excesses:

"Why do you need another speaker?"
"Why do they have to be so big?"
"Why can't you be happy with what you have?"
"How much is this costing?"
"What is it?"
"Tell me again what this is"
"What is it again?"
"Is this going to be too loud?"

I got that for a couple weeks. At least she was not critical about it, just trying to understand the insanity. Now she has accepted it an moved on. Phew..... I expect another session similar to this once she hears this thing.
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post #65 of 103 Old 01-26-13, 09:11 PM
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Re: Christmas Build

Making progress and wow you're not messing around -- taking out that concrete... did you run this by an architect? Or do you know for sure that the concrete's not load bearing?
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post #66 of 103 Old 01-27-13, 12:05 AM
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Re: Christmas Build

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Making progress and wow you're not messing around -- taking out that concrete... did you run this by an architect? Or do you know for sure that the concrete's not load bearing?
Nah, concrete is never load bearing...that's what they use drywall for!

Well, what is 9" of load bearing anyway Answer:
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post #67 of 103 Old 01-31-13, 11:35 AM Thread Starter
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Re: Christmas Build



From what I know about concrete, there is no problem at all here. But, I did decide that I did not want to take the time and considerable effort to rent the drill myself and get silica dust all over the place. I called a local expert and he just came by and verified that there is no issue unless I had the whole house resting on it and then 10 more houses on top of that. Neither is the case. This is really over built here. There is only one end of a 12 foot beam on top of the wall about 2 feet away. I could trim back the whole wall if I wanted.

Just going to have them do it tomorrow for $200 and have it done. The drill was going to cost $100-150. They are going to use an electric jackhammer to do it.
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post #68 of 103 Old 01-31-13, 11:42 AM Thread Starter
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Re: Christmas Build

So, once this is done I need to:

1. Build the bracing system for the sub
2. Build the bracing system for the wall - if needed
3. Seal up the 1/4" gap around the wall
4. Fix the hole in the wall I had to make
5. Finish Trim around the sub
6. Install drivers
7. Seal the door close to the sub.
8. Finish sealing the ceiling between the 2 rooms. Have a few more hard to reach places.
9. Fix my gain issue between my Marantz pre-amp and the miniDSP - may need to get something to increase the gain between them.
10. Start tuning this beast
11. Start fixing 1000 rattles in the ceiling I am expecting.
12. ??
13. ??

It has definitely been more work than I bargained for digging into the wall.. A couple manifolds would have been sooooo much easier and less expensive. I would have been long done by now. But in the end, the line array takes up the least amount of space and looks . No need to explain that the holes are or where the base is coming from.
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post #69 of 103 Old 01-31-13, 11:37 PM
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Re: Christmas Build

Awesome! I'm looking forward to seeing item number six

I'm glad to see your progress. I wish I could say the same about my project. Both my speaker build and my IB build have been put on hold while I'm finishing up the basement.
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post #70 of 103 Old 02-01-13, 11:51 AM Thread Starter
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Re: Christmas Build

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Awesome! I'm looking forward to seeing item number six

I'm glad to see your progress. I wish I could say the same about my project. Both my speaker build and my IB build have been put on hold while I'm finishing up the basement.



Understood. Your project was way more ambitious than mine and a good starting point is essential.
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