Shermer Theater - Page 19 - AVS | Home Theater Discussions And Reviews
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post #541 of 615 Old 11-19-2014, 01:02 PM - Thread Starter
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Quote:
Originally Posted by HopefulFred View Post
I love that there are enough to arm - I presume - the whole family.
Girls don't get lightsabers. At least not yet. I have 2 - each of my sons have 1

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Unfortunately, I can't give you a certain answer on the clips, but check the classifieds, perhaps. And I say go ahead and call Ted and John. I think they might be near your neck of the woods and can probably ship one or two your way reasonably.
a quick scan on craigslist shows nothing. they appear to be sold in 10-packs on Amazon (which makes sense).

will reach out.
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post #542 of 615 Old 11-19-2014, 01:03 PM
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I had my clips shipped from Las Vegas. I think your shipping would be cheaper.

Under construction: the Larch theater
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post #543 of 615 Old 11-19-2014, 07:38 PM
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Put this or something similar in your spare space:

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post #544 of 615 Old 11-22-2014, 07:40 PM - Thread Starter
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we ripped out carpet out of our old house and laid it in the basement just as a nice placeholder until we're ready to build

you can see I have a panoramic shot and a POV shot. The next "serious" to do is to build a mock-up riser but my wife wants a table saw and I want someone else to do it

we also taped off the entire basement to see what will go where and while there may be some changes I feel reasonably good about our first draft - I shot a video of a walk around starting from the theater, moving into a spare bedroom, the down the hall past the full bathroom, into the "fitness" room, into the utility room, through the "wall" looking back into the theater.

video will take a minute to upload - will link up in the morning.




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post #545 of 615 Old 11-23-2014, 05:21 AM - Thread Starter
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now with youtube walkthrough :

so we start looking from the theater door towards the back of the theater, ignore the fitness equip, that will move. Then we turn towards the front of the theater and turn to face the bedroom/spare room/office/whatever with the closet at the top of the picture. Then we turn down the hall with the bathroom on the right. At the end of the hall is the fitness room which wraps around behind the stairs. Then we stop briefly look at the back of the theater (there will be a wall there of course) and then turn back into the utility room, stopping briefly to look at all my networking gear and the only power outlet in the basement (eek!!!!). Then we turn back into the utility room and turn to look at the media room behind the theater and the kitchen area. End of show.

I am starting to realize my theater is way way too long and I may expand my kitchen and media closets to shorten up the theater. The little kitchen area is much too small as it is - very cramped.

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post #546 of 615 Old 11-25-2014, 05:01 PM - Thread Starter
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Quote:
Originally Posted by BIGmouthinDC View Post

Jeff I found a guy on Facebook to build me a mock riser (please forgive me for not doing it myself ) - what size should I make it? the loveseat that makes up the second row is 70" x 38" at it's biggest points. The feet are 58" x 35".

Looks like the riser should be 96" wide by 60" deep? I won't ask you about the height - I know to use the calculator for that Calculator says 15".

and steps are 6" x 24"? just one step and then the riser? technically 2 steps? So step 1 is a 2x6 and then 3/4" plywood?
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post #547 of 615 Old 12-08-2014, 01:15 PM - Thread Starter
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I was having a back and forth in another thread about the proper volume for subs and they were quoting well over 130 and I was like "heck I think 80 is kind of loud"

but then it hit me - somewhat unrelated - the sand in the stage from all these builds keeps the sub's noise in the room and off the concrete floor where it would reverberate through the house - do I have that right?
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post #548 of 615 Old 12-08-2014, 01:31 PM
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That's the theory, but it's possible that there are some extra caveats. Check granroth's thread. http://www.avsforum.com/forum/19-dedicated-theater-design-construction/1730905-testing-stage-filler-sand-fiberglass-nothing.html

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post #549 of 615 Old 12-08-2014, 11:59 PM
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Quote:
Originally Posted by JRock3x8 View Post
I was having a back and forth in another thread about the proper volume for subs and they were quoting well over 130 and I was like "heck I think 80 is kind of loud"

but then it hit me - somewhat unrelated - the sand in the stage from all these builds keeps the sub's noise in the room and off the concrete floor where it would reverberate through the house - do I have that right?
The cleaner sound, the more volume you'll want. Also the more treated room you have, the higher you'll have to go for an equal volume experience. So there's many factors.

The sand stage (or putting subs on properly chosen soft feet) will stop direct mechanical vibrations. But the sound itself will put vibrations into the stucture as well, so you're not home free. Sound is astoundingly powerful.

Under construction: the Larch theater
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post #550 of 615 Old 12-19-2014, 02:33 AM - Thread Starter
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what is best practice for center channel speakers? mine sounds like garbage, and I'm pretty sure it's some combination of the speaker the placement or both.

see here in this picture where all the speakers are on the floor - this is where the center channel actually sounded good :



now the center channel is tucked into the rafters/floor joists above the screen (invisible in this picture)



I also changed speakers from TEAC's center channel (pretty beefy heavy speaker)



to this :



now what I don't get is that the fronts and rears sound fine but that center channel sounds unconscionably thin and quiet, no matter how loud I jack up the adjustment on the amplifier.

but in order for me to swap it out for the TEAC speaker I would need some way to hang it from the ceiling or just live with it under the screen like it was before but I really like the clean appearance that I have now. But the sound has to get fixed...
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post #551 of 615 Old 12-19-2014, 03:37 AM
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What you really need is exactly the same speaker for center as the rest. Those flat ones are a flawed concept only created to fit below TVs. ( For them to work semi-decent, it needs to be at least a tree-way design with the tweeter above the midrange. )

The best thing you can do with them is actually to stand them up tall, and how stupid isn't that?

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post #552 of 615 Old 12-19-2014, 03:54 AM - Thread Starter
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What you really need is exactly the same speaker for center as the rest. Those flat ones are a flawed concept only created to fit below TVs. ( For them to work semi-decent, it needs to be at least a tree-way design with the tweeter above the midrange. )

The best thing you can do with them is actually to stand them up tall, and how stupid isn't that?
that's just it - all 5 speakers are from the same set. granted they aren't matched to the receiver...

I wonder if the connection is bad... will check it this weekend.
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post #553 of 615 Old 12-19-2014, 05:31 AM
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Certainly check the connection. Also run the auto-calibration routine if there is one.

Nightlord is right that center speakers like that are always sub-optimal, but they can work fine for certain seating locations. I don't think that's really your problem at this point. Still, when moving forward to a final set of equipment, his advice is right.

The issues you are having are probably best described by the Alison effect, or SBIR. It's a slightly complicated acoustic problem caused by reflections from surfaces near a speaker. Once you get some drywall on the ceiling, everything will change.
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post #554 of 615 Old 12-19-2014, 06:47 AM - Thread Starter
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The issues you are having are probably best described by the Alison effect, or SBIR. It's a slightly complicated acoustic problem caused by reflections from surfaces near a speaker. Once you get some drywall on the ceiling, everything will change.
that makes some sense - the center channel speaker is mounted up into the joists which means that at least some of the sound energy is probably bouncing right back at the speaker. I can try moving it down too.

I felt like tilting it about 45 degrees down would make enough of a difference maybe not. Still feel like there must be a connection issue.

Is there any bendable aluminum type material that I could use to make a bracket for the other speaker? The other center channel speaker has no means of mounting it but if I had something...

I have in my mind an aluminum/metal strip with holes in it - i know I've seen it but have no idea what it's called
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post #555 of 615 Old 12-19-2014, 07:11 AM
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I want to say your talking about plumbers tape or strap. I would probably build a small shelf from scraps of whatever, but the strapping may do it too. Don't expect miracles.
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post #556 of 615 Old 12-19-2014, 07:54 AM - Thread Starter
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I want to say your talking about plumbers tape or strap. I would probably build a small shelf from scraps of whatever, but the strapping may do it too. Don't expect miracles.
yup thats it - little flimsier than I had in mind but I think I can work with it.
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post #557 of 615 Old 12-23-2014, 09:17 AM - Thread Starter
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just to follow back up - i rechecked all the connections and the middle channel is now much better but I think I may have nerfed the left channel while I was at it. These closed back stereo cabinets SUCK.
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post #558 of 615 Old 12-23-2014, 10:51 AM
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just to follow back up - i rechecked all the connections and the middle channel is now much better but I think I may have nerfed the left channel while I was at it. These closed back stereo cabinets SUCK.
Get a few L-shaper brackets (not angle brackets) and screw into the corners from the back.. the get rid of the back. That's what I've done to my IKEA ones. Much better cooling too!

Under construction: the Larch theater
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post #559 of 615 Old 12-26-2014, 04:35 PM - Thread Starter
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I have a vision forming for my theater and it's a bit forest-ey.

We've been tossing around the idea of dark greens and dark browns as colors for our theater. I think I want to have the columns be dark brown (almost like tree trunks) and the space in between dark green with poster acoustic panels with some sort of tree leaf pattern (think abstract-y) on top.

Still haven't sold the old house yet... we are enjoying the theater as it is even if I do need to move the rear surrounds forward by a good 3' and I still need a riser for the couch. But again, money and time, money and time
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post #560 of 615 Old 12-29-2014, 07:32 PM
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Quote:
Originally Posted by JRock3x8 View Post
I have a vision forming for my theater and it's a bit forest-ey.

We've been tossing around the idea of dark greens and dark browns as colors for our theater. I think I want to have the columns be dark brown (almost like tree trunks) and the space in between dark green with poster acoustic panels with some sort of tree leaf pattern (think abstract-y) on top.

Still haven't sold the old house yet... we are enjoying the theater as it is even if I do need to move the rear surrounds forward by a good 3' and I still need a riser for the couch. But again, money and time, money and time
You should mock up your vision in Sketchup and post it.

My First Build Ever in progress
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post #561 of 615 Old 12-31-2014, 05:04 AM
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Quote:
Originally Posted by JRock3x8 View Post
I have a vision forming for my theater and it's a bit forest-ey.

We've been tossing around the idea of dark greens and dark browns as colors for our theater. I think I want to have the columns be dark brown (almost like tree trunks) and the space in between dark green with poster acoustic panels with some sort of tree leaf pattern (think abstract-y) on top.

Still haven't sold the old house yet... we are enjoying the theater as it is even if I do need to move the rear surrounds forward by a good 3' and I still need a riser for the couch. But again, money and time, money and time
Sounds nice. Make some leaves sticking down from the ceiling in random sizes, angles and directions and you'll get some hidden diffusion as well.

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post #562 of 615 Old 01-23-2015, 12:51 PM - Thread Starter
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had another thought today...

I've discovered that I'm learning a ton about how I want my theater to look and feel and be laid out just by spending a ton of time down there in what is largely unfinished space.

I'm working on getting a temporary riser built but it's a fair bit of money for the budget that we currently have with 2 mortgages (grabbing throat sign)

and now I'm starting to think about ways to mock up walls. (I understand that "fake" walls will have absolutely no value in terms of evaluating sound). Is there a super cheap way to mock up walls? Is it just hanging a ton of really long curtains - is that the best way? The cheaper the better because this is all going to get thrown out but I just want to get a sense for how the room will feel when I can't see the other side of the basement.
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post #563 of 615 Old 01-23-2015, 01:20 PM
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Maybe get a roll of plastic and hang it up like a Dexter kill-room. At least you'll have a drop cloth or a way to line a stage for filling with sand when you're done using it.
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post #564 of 615 Old 01-23-2015, 01:41 PM
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had another thought today...

I've discovered that I'm learning a ton about how I want my theater to look and feel and be laid out just by spending a ton of time down there in what is largely unfinished space.
Staring is one of the most overlooked and underrated part of the theater design process!
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post #565 of 615 Old 01-23-2015, 01:42 PM - Thread Starter
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Staring is one of the most overlooked and underrated part of the theater design process!
I've discovered that I like having my phone down there with me but it's always running out of battery - it's little things like that.
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post #566 of 615 Old 01-24-2015, 08:18 AM - Thread Starter
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what is good better best order of audio connections?

presumable RCA cables are at the bottom, and HDMI at the top but is the coaxial connection that looks like an RCA jack better or worse than optical that looks like a keystone with the red light?
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post #567 of 615 Old 01-24-2015, 12:12 PM
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Staring is one of the most overlooked and underrated part of the theater design process!
Definitely so. ( Same with garden design, imho.)
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post #568 of 615 Old 01-24-2015, 12:25 PM
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what is good better best order of audio connections?

presumable RCA cables are at the bottom, and HDMI at the top but is the coaxial connection that looks like an RCA jack better or worse than optical that looks like a keystone with the red light?
Right, stereo analog at the bottom, then digital coax, then digital optical, then HDMI. but the last three are all digital, so the only real difference among them is bandwidth. HDMI can carry higher fidelity audio, but if your signal is stereo, that doesn't matter - because in almost all cases that fits in any of the digital cables. I'm sure there are special cases or exceptions (like maybe one will carry PCM when another only carries encoded bitstream or vice versa) but that should be a good rule of thumb.
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post #569 of 615 Old 01-24-2015, 01:16 PM - Thread Starter
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Right, stereo analog at the bottom, then digital coax, then digital optical, then HDMI. but the last three are all digital, so the only real difference among them is bandwidth. HDMI can carry higher fidelity audio, but if your signal is stereo, that doesn't matter - because in almost all cases that fits in any of the digital cables. I'm sure there are special cases or exceptions (like maybe one will carry PCM when another only carries encoded bitstream or vice versa) but that should be a good rule of thumb.
I've been shopping for a second blu-ray player for the basement (mostly to watch 3-D movies... of which I have precisely one... sooooo.... anyways...) but all the lowest cost blu-raly players have the digital coax whereas I always thought I should prefer digital optical.

also and totally unrelated - does dolby digital have different specs from one receiver to the next? My receiver won't do surround sound with my xbox and I'd like to get one that does but I'm not sure if there are variations that are able to be discerned by model number.

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post #570 of 615 Old 01-24-2015, 01:56 PM
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My hunch is that none of that matters, but I'm not really in a position to say exactly.
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