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***Working Man's DIY Dedicated Home Theater*** - Page 15

post #421 of 604
Stay focused and . . . . . . 'stay on target'. You can do this. Looking good!
post #422 of 604
What? Over? Did you say over??? Nothing is over until WE DECIDE IT IS!!! Now.....LET'S DO IT!!! GO! GO! GO! GO! biggrin.gif
post #423 of 604
I know exactly how you feel. I reached that feeling several times during my build (as I think many of us have). I can say that YOU WILL get through this. It is just a phase, and it will pass. I dealt with my "issues" a couple of ways. One was to just work harder to get through it faster, the other was to take a break for a period of time, (few days, weeks, even months) till I felt like working on it again. I highly recommend that you do the former vs. the latter. Chin up and keep pressing on!

Regards,

RTROSE
post #424 of 604
Thread Starter 
Haha, thanks guys for the encouragement! We will be pressing on, no breaks im future.

Nice vid Tim it actually did motivate me lol, im ready to get up there now! We didnt stop when the Germans bombed pearl harbor! smile.gif

But first must have coffee!!
post #425 of 604
Thread Starter 
Soffits are installed and upholstered!! Woot! Thats probably all the big projects until after Christmas. I've got a couple things to build as gifts so I'll be sure to post and share since they are Home theater related.

SO, how bout some pikchers boys!!?











And another one of those 360 panoramas....
post #426 of 604
Hoooooooooooooooooweeeeeeeeeeeeeeeeee!!! Dem dare sum purdy pickchaz!!! biggrin.gif

Did you happen to notice in your 360 degree panorama the 1/2 human body sitting under the floor at the back of the theater underneath the projector?? LOL!!

Everything looks really good Nick - way to push through the pain and monotony of finishing the project. We didn't give up when the Germans bombed Pearl Harbor and you didn't give up when it was toughest - congrats!
post #427 of 604
Thread Starter 
Thanks Tim!!

Haha, Yeah that body was my GF she ran out when she figured out i was takin pikchers.
post #428 of 604
Looks great Nick!
post #429 of 604
Nick,

The soffits turned out VERY NICE!
So get to building those SEOS speakers already - what ya waiting for.?
smile.gif
post #430 of 604
Great job! I'm stuck at work and just went through the entire thread. Awesome!
post #431 of 604
Thread Starter 
Quote:
Originally Posted by rschuler313 View Post

Great job! I'm stuck at work and just went through the entire thread. Awesome!

Hi Mr Schuler,

Thanks for taking the time to read about my humble little theater. smile.gif
Quote:
Originally Posted by GWCR View Post

Looks great Nick!

Thanks man!

Hey whats your screen name mean? Every time I see it I cant help but subconsciously associate it with GWAR!!!! Its one letter off but my brain works like that.......
Quote:
Originally Posted by cuzed2 View Post

Nick,

The soffits turned out VERY NICE!
So get to building those SEOS speakers already - what ya waiting for.?
smile.gif

HAHA, Thanks Cuz. I'm sticking to my promise to myself not to pull those parts out of the attic until after New Year's. Hows the "Big Mal" coming along? I love those auras, I'm thinking about using the Daniel design for my surrounds. Something about the two 6inchers side by side looks like a surround to me.

Oh, why did you call yours the big mal and not the big dan? Or better yet, The Lt. Dan!!!!!!cool.gif


As far as progress, finished up cleaning up the tools and vacuuming the floor. Maybe some glamour shots later this week but I hesitate b/c there are some holes that need filling in sheetrock and the soffits need crown to be fully complete.........
post #432 of 604
Quote:
Originally Posted by NicksHitachi View Post

Thanks man!
Hey whats your screen name mean? Every time I see it I cant help but subconsciously associate it with GWAR!!!! Its one letter off but my brain works like that.......
Ha! Nothing quite so sinister as GWAR. GW, my initials. CR, my city's initials. I was obviously not very creative the day I registered tongue.gif
post #433 of 604
Thread Starter 
I cleaned up the mess and took a couple shots......




Edited by NicksHitachi - 12/13/12 at 2:52pm
post #434 of 604
Thread Starter 
Just a quick update. Nothing in theater but im building my brother a phono tube preamp. Its not high end but it is kinda nice looking i think and should warm up his vinyl collection. I normally build him something for christmas, its a good excuse to build stuff i wouldnt get a chance to build on my own.........

2A8E798B-6EB3-4D64-91AE-3C61A8F7EF60-4322-0000075FCDA803BD.jpg

381251EF-1848-467E-9F0D-E5B816F20A5C-4322-0000075FD51BBA72.jpg
A47F0C3D-38F6-4A1E-828B-C20CC2DD08A8-4322-0000075FDC950898.jpg
56C945DE-6B19-4F5E-BA21-1ADC67BD49AD-4322-0000075FECCC3D1A.jpg
E87A7F6F-6B87-4581-BAD9-5E7B77DA071B-4322-0000075FE2CBE792.jpg

MERRY CHRISTMAS!!!
post #435 of 604
Very Cool! Merry Christmas to you too!

Warmest Regards,

RTROSE
post #436 of 604
Thread Starter 
Done.

55114E87-C77F-43AF-9108-E298A9300A39-4810-0000082C225ECE7E.jpg
post #437 of 604
Thread Starter 
Ok so some time back I visited a buddy's HT and he was controlling it with an iPad. I was very impressed with this but most of my components are about one generation too old for direct IP control.

Since most current generation components accept ip control there are lots of Global Cache components for sale used and cheap. Enter Irule.

I've been working pretty hard on this and the learning curve has been a bit daunting. However the reward IMO is worth it. My first Global Cache unit off eBay was DOA so I arranged a replacement and a additional one for the living room.

Heres what I'm working with:


Home Screen:
7793d6727cb778f57a995d2b9f8e02b9.jpg

Directv main screen, notice feedbacks on screen for volume, channel, network, listening mode, and title.......
56a39a6680e44e4859a4588edffa728d.jpg

I setup a couple pages of favorites with feedbacks on each to show scrolling titles of what's playing on each channel without having to go into the guide on directv, it's sweet, my fav function so far.....
1d883a0e43ff2713e0d9744ac987c8a6.jpg

Blue Ray:
dc2c357be86e94a0775c93b8e1b6d4e9.jpg

Music Listening:
db2d8e0d69c93d28dde0e8c300225123.jpg

I've prob got 40hrs on setting up interfaces now and "coding" feedbacks etc. I understand now why custom crestron or control4 setups are sooooo. $$ey'.....
post #438 of 604
excellent work. I am going to have to look into this. I wonder if this can run on a android app or PC laptop,
post #439 of 604
Thread Starter 
Hi Chris,

It runs on android too! Look at the Global Cache units on ebay for like $30 shipped, they have rs232, IR and relay control. Pretty sweet units IMO.
post #440 of 604
Excellent work on the theater, Nick!!

I agree with Cuzed that it's time for you to join the SEOS parade. biggrin.gif

I have a couple of questions on your treatments:
  • Front Wall. Did you use Roxul for your front wall treatment? If so, how did you secure it.
  • Back Wall. How did you build your panels for the back walls? 6" thick with 3" air? Ripped 2x6?
  • Side Wall. Did you do any panels for the side walls? 3" thick?

With the addition of my SEOS surrounds, I have a strong need to tame the reflections. Once I get my rack and pj mount built, I can bet going on treatments.

Thank,

Java
post #441 of 604
Thread Starter 
Quote:
Originally Posted by Java View Post

Excellent work on the theater, Nick!!

I agree with Cuzed that it's time for you to join the SEOS parade. biggrin.gif

I have a couple of questions on your treatments:
  • Front Wall. Did you use Roxul for your front wall treatment? If so, how did you secure it.
  • Back Wall. How did you build your panels for the back walls? 6" thick with 3" air? Ripped 2x6?
  • Side Wall. Did you do any panels for the side walls? 3" thick?

With the addition of my SEOS surrounds, I have a strong need to tame the reflections. Once I get my rack and pj mount built, I can bet going on treatments.

Thank,

Java

Wuddup Java!

I know! Trust me every time I watch a movie I dream of those components in the attic...... realistically it will be way after new years when I get started.

Before I build them I am going to finish my treatments and finish building out my subs.

my current treatments(besides soffits and rear projector enclosure) are temporary.

Side Walls- 2x4 panels with 4"OC703 and 4" air gap.
Ceiling - was same as side walls ^ but I had to take down to install soffits.
Front wall- 2x4 panels same as above behind each LCR.
Corners- All vertical corners trapped and new soffits treat minor corners created by cathedral ceiling.


I still have three packs of ROXUL I'm planning to install into the theater. Here are my plans for it:

1. Two 6'x6' panels on each of the side walls for primary reflection points, 3.5" ROXUL with 4" air gap.
2. Some ceiling treatment, but haven't decided on form of this. it will be 3.5" ROXUL with 4" air gap though just not sure how it will look yet.
3. Front wall- I have been toying with a unique concept for the front wall. I'm pondering building my treatments with a huge air gap. actually more like a baffle wall filled with ROXUL. this would have cutouts for my mains and subs. I asked sometime back and some of the acoustical brains said it would work well to do it that way. SBIR really jacks up my midrange currently and I want that completely fixed in the end. frown.gif
4. my rear wall has that projector enclosure which is filled with ROXUL, but as far as the wall below I'm not sure I'll absorb it. I'm prob going to use some polys in the rear and maybe craft paper some of the soffits behind the seating if the room becomes too dead. Right now the room still needs lots of absorption up front IMO.

Sorry so long really thinking out loud here, since treatments are my next "big" project. wink.gif
post #442 of 604
Wow!! I love that 360 panorama you shared; thanks! The remote's looking great! I'm so happy to hear that your experience with the Global Cache is positive. I don't have any first-hand experience with it so I'm happy to hear that it's working for you.

Does iRule let you customize the icons or just the layout?

Either way, it's looking fantastic. I KNOW that, because it's you, that it sounds fantastic too! I've GOT to get down there to experience it.

Happy new year, buddy!
post #443 of 604
Thread Starter 
Hey JD!

Yeah the icons are totally customizable as well as backgrounds, etc or whatever your imagination will allow. I'm still really green on it all but some of those guys are really putting together some amazing stuff over there.

Guess who gave me my inspiration........ ;P

Yeah you do need to come visit me, that's an open ended invitation!

Happy New Year Guys!
post #444 of 604
Quote:
Originally Posted by NicksHitachi View Post

Wuddup Java!
I know! Trust me every time I watch a movie I dream of those components in the attic...... realistically it will be way after new years when I get started.
Before I build them I am going to finish my treatments and finish building out my subs.
my current treatments(besides soffits and rear projector enclosure) are temporary.
Side Walls- 2x4 panels with 4"OC703 and 4" air gap.
Ceiling - was same as side walls ^ but I had to take down to install soffits.
Front wall- 2x4 panels same as above behind each LCR.
Corners- All vertical corners trapped and new soffits treat minor corners created by cathedral ceiling.
I still have three packs of ROXUL I'm planning to install into the theater. Here are my plans for it:
1. Two 6'x6' panels on each of the side walls for primary reflection points, 3.5" ROXUL with 4" air gap.
2. Some ceiling treatment, but haven't decided on form of this. it will be 3.5" ROXUL with 4" air gap though just not sure how it will look yet.
3. Front wall- I have been toying with a unique concept for the front wall. I'm pondering building my treatments with a huge air gap. actually more like a baffle wall filled with ROXUL. this would have cutouts for my mains and subs. I asked sometime back and some of the acoustical brains said it would work well to do it that way. SBIR really jacks up my midrange currently and I want that completely fixed in the end. frown.gif
4. my rear wall has that projector enclosure which is filled with ROXUL, but as far as the wall below I'm not sure I'll absorb it. I'm prob going to use some polys in the rear and maybe craft paper some of the soffits behind the seating if the room becomes too dead. Right now the room still needs lots of absorption up front IMO.
Sorry so long really thinking out loud here, since treatments are my next "big" project. wink.gif

Thanks for the detailed reply, Nick. And Happy New Year.

Your Lowes find on Roxul got me rethinking my plans. Easier to find and cheaper than OC703. It seems to be a great substitute for corner chunks and panels, but I didn't think it would be a good option for the front wall. How deep do you need for mid's? Normally you just put 1" OC703 on the front wall, right?

Last, have you figured out the panels yet? I was thinking about ripping 2x6's for the sides. I need more depth (8") for the back, but haven't figured out how to build the panels. Thoughts?
post #445 of 604
Thread Starter 
Thanks Java,

Can I ask why you don't like ROXUL for the front wall? Is it the logistics of hanging it, the thickness, the cost, or other?

As far as OC703 1" on the front wall that would not be my preferred approach. If I had that much 1" material I would double or quadruple it concentrated behind the LCRs or at least double it and maybe use an air gap.

My problem region of 80-400Hz is common among small rooms. it's primarily from the mid bass bouncing off front wall out of phase and time alignment. The speakers radiate omni directional down there so directly behind will presumably be the most high gain reflections arriving at the listener. I already have 2'x4 panels behind my mains which helps a lot but the ragged midrange persists. I've Measured with REW and lots of early reflections persist and need absorption up front.

Now common conception is that 1"OC703 on the wall isn't going to attenuate very much down past 3-400 but will do very well upwards of that. it's believed that partially attenuating the bandwidth of the speaker doesn't work well as treatment bc all you've really done is EQ the reflection by muting the top frequencies and rolling off the mids while the lower mids and bass come on through.

IDK how much this theory means in "real life" since we are most sensitive in hearing in the 1kHz range and significant improvement can be had with as little as 1" placed on the wall without air Gap.

I'll PM you my plans for the frame of the treatments since I don't want to let the cat out the bag yet here....... Your thinking like me: The treatments need a frame AND need to be spaced off the wall.
post #446 of 604
My only concern with Roxul on the front wall is how to mount it. It's floppy and tends to fall apart, right? Versus the stiffer "board-like" quality of OC703.

It seems to be pretty easy to mount OC703 on the front wall, but I can't figure out how to mount the Roxul.

As reference, I have a relatively small room, too. Below are the dimensions (including pending screen wall and "wish list" seating).

post #447 of 604
Thread Starter 
Aha, gotcha. I figured it was the mounting. You got a nice looking room there. What is your width?

Yes, 703 is much stiffer and easier to mount direct to the wall IMO. Linacoustic is also a great option for front wall and does not need to be covered since its already black. It performs pretty much identical to the 703.

If mounting direct to wall without gap, I would recommend 2" minimum though. 1" is gonna be too shallow to get enough of the mid bass/bass. If cost is an issue I'd recommend thoroughly treating(2" min) behind the speakers and get the rest when/as funds allow.

I am going to build frames for the front wall treatments just like the side wall and ceiling treatments which negates the mounting difficulty for me. I'm also going with an air gap on the front wall which pretty much necessitates a frame..........

Its hard to describe the solidity of the Roxul. It will fold if you hold it with one arm in the middle lengthwise but will maintain shape mostly with two arms under its length. It will come apart if you were brushing it alot but the 703 would release more fibers IMO. Both need to be protected from abrasion. 703 is prob 20-30% stiffer IMO and more boardlike, yes, but still flexible.
post #448 of 604
Thread Starter 
Ok for those following, ive been battling with projector vibration on the really low stuff. I tried adding mass to the projector itself and that didnt work. I was all set to buy some sorbothane and put it under a marble slab in my hush box until I FOUND MY SOLUTION!

It all started when I saw this:
Vibration+Absorber+for+LCD+Projector+Mounts+for+Unistrut+Ceiling.jpg

Notice the springs....... It just so happens i had seen those same springs in my local lowes in the conduit area.

So my solution is to attach those springs under a platform with bolts. Now i started with only 4 springs but they were over compressed and I was still getting vibration. Four was close so i added a fifth spring in the center. BLAM! No vibrations even with the bass cranked on the heaviest material!!! The picture stays crystal clear even when the walls are breathin' Guess I need more subs now!!!

Important note for other applications: Getting the spring count right is critical. Five worked for me but a heavier or lighter projector will need more or less to get the springs into their "happy" zone.

Total cost $13. No more fuzzy picture=priceless!

96C549CF-170B-4D72-B4F3-8CB3247F5F07-8414-00000FC23B23D4FB.jpg

000A91EF-D3C7-4CFA-AD9B-CB79493C4BB3-8414-00000FC257091FC9.jpg

Hope someone else puts this to work bc it made my day!
post #449 of 604
Very ingenious solution Nick! The creativity on this site never ceases to amaze me. Glad it worked for you!
post #450 of 604
Thread Starter 
Thanks GW,

I beat on my setup last night with the sub bass setting set to +12db and couldnt get the projector to even shimmy. I also double checked the lens and focus for drift afterward. It all seems to be happy and working.

The next test step will be to make sure there is no sag and drift over time with the springs as they settle, but hopefully not. Even if there is, it will be easy to correct and should be set once the springs settle.
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