First Timer - Basement Home Theater Build - Home Theater Forum and Systems -

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post #1 of 15 Old 06-21-14, 12:44 PM Thread Starter
Shayne Sherman
Join Date: Jun 2014
Location: Elkhart Indiana
Posts: 20
First Timer - Basement Home Theater Build

Hello Everyone -

I am in the process of finishing my basement to include a dedicated home theater room. I have done a lot of research online (mostly this forum) but still would love the community's input.

The room will be 13' 6" x 23". The ceiling is 8'. It will be used exclusively for home theater with 100% light control. As of now I have purchase nothing towards this build. We plan on starting next week. This will be 100% DIY. My brother who is excellent with construction/building will be handling the majority of the work.

My current construction plans include:
  • 2 layers of drywall for improved soundproofing
  • safe & sound or equivalent in the ceiling
  • carpet and padding on the cement floor (really don't want to build a false floor as we plan on moving within the next year or two and would like this room to be usable for the next occupants as a bedroom/etc.
  • false wall in the front of the theater to hide the speakers behind acoustic material / acoustic screen
  • Acoustic wall treatments
  • 7.2 speaker wire run through wall before construction
  • sub-woofer wire ran for 4 different locations

I plan on having (2) rows of 4 seats. I am looking at Palliser Auxiliary loveseat with a recliner on each side since they are only 9'5" wide. That doesn't really give me a lot of space on the sides of the furniture for isles, but should work.

Also in the plans are the JVC 4k projector.

Here are a few questions that I have in regards to my plans:
  • What size screen should I do in 2.35?
  • What screen is a good value?
  • My Budget for speakers is around 5,000. Any input on brands you would recommend? I am leaning towards the AVR-4520CI w/ an external amp.
  • How far back from the screen should my rows of seating be?
  • I plan on a riser for the second row. What is the ideal height for the riser?
  • Anything that I might be overlooking?

Thanks so much for any help that you can provide me! I am looking forward to this build.
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post #2 of 15 Old 06-21-14, 02:02 PM
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Congrats on your new home theater build! Your room dimensions are very similar to mine. I also have a riser, it's about 5 feet from the back wall (so the rear speakers have some breathing room) and 8 inches high (the standard is 6 to 12 inches). I will be sitting about 11 feet out into the room and bought an DALITE screen with it's own stand that I can move out into the room to allow some space for the front speakers. Your receiver (is that a Denon?) should work well. I went with a Yamaha 3030. As for speakers, lots of good choices in that price range. I went with Ascend Horizon center and Ascend Sierra 2's for the front, with Axiom Quadrapoles in the rear and two Rythmik 15" subs, which I placed in opposing corners. Paradigms are also well regarded, as well as Golden Ear Tritons, and Wharfdale is also worth looking at. Best of luck with your build!
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post #3 of 15 Old 06-21-14, 02:03 PM
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For screen size, I went with 119", but the THX recommendations say that's too big. Might need to settle for around 100" if you want to do it by the book...
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post #4 of 15 Old 06-21-14, 04:26 PM
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Re: First Timer - Basement Home Theater Build

for screen size it's all about taste. I could easily see a 120-135 inch 2.35:1 in that space. project against the wall first THEN adjust to taste and decide which screen size works best
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post #5 of 15 Old 06-21-14, 05:07 PM
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Re: First Timer - Basement Home Theater Build

I agree with Mike on the screen size, and would suggest projecting it on the wall, and see what you like, then get your screen... Or you can do like we are and get the biggest screen you can fit on the wall and make masking panels to make the screen smaller if needed. If you go the max size screen route it will give you a nice black border for the whole wall around the screen... Which will improve your contrast.

As far as the AVR... I have the Denon 4520 and i love it. Sonnie used to have one and he sold his Emotiva amp since the Denon was so capable of driving his Martin Logans. If you get speakers that are at least 90db efficiency you shouldn't need an external amp unless you want to run more than the 9 channels the Denon can do IMO.


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post #6 of 15 Old 06-21-14, 06:55 PM
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Re: First Timer - Basement Home Theater Build

The first thing you need to determine is how far out from the front wall will you need to build the screen wall?..This will depend on the size of the speakers and sub/s you plan to use..
Generally about 3' will be enough for most LCR and sub..

With a good quality 2.35:1 AT screen and a good quality projector, you can go quite wide on the screen size and sit as close as 2.0 - 2.5 x the screen height..Something to bare in mind when determining your front row seating..

For example..If your screen was 10' wide the height would be approx. 48"..multiply that by 2.5 = front row seats at 10'..That leaves 10' for the second row to the back wall..Just enough room (if you're using recliners for the back row) to give you some space behind the back row seating..

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post #7 of 15 Old 06-24-14, 11:27 AM Thread Starter
Shayne Sherman
Join Date: Jun 2014
Location: Elkhart Indiana
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Re: First Timer - Basement Home Theater Build

Thanks so much for the suggestions guys. I am still doing some research and if I have more questions I will fire away.

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post #8 of 15 Old 06-24-14, 06:02 PM
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Re: First Timer - Basement Home Theater Build

I always max out my screen size to the size of my wall (within reason). I prefer to rotate my head to catch the action from side to side to provide a more immersive experience, especially with 2.35:1. The only time this backfires is with films shot with hand held cameras, but those aren't very pretty anyway, so we just zoom in. With 4k I don't see any reason to limit the size.
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post #9 of 15 Old 06-25-14, 02:46 PM
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Re: First Timer - Basement Home Theater Build

Shayne, as you'll find, things are mostly relative as far as layout and size measurements. There will be a few things that have a minimum value, so start there and then see how much space you have left. Prof gives great advice starting with the screen wall and going from there.

Riser heights are generally 8" or more, and that will depend how high your screen is and how tall your front row seating is. You have good ceiling height, so plan for at least 8", but if possible to mock up a little plan that would be your best bet.

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post #10 of 15 Old 06-29-14, 06:01 AM
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Re: First Timer - Basement Home Theater Build

Have you considered building your own AT screen. I built one for my brother with spandex and it turned out great. I was impressed with the picture quality
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