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post #121 of 153 Old 05-12-2017, 12:40 PM - Thread Starter
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Originally Posted by mindedc View Post
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Originally Posted by SierraMikeBravo View Post
First, I disagree with the other designers. Adding wide channels complicates issues. They do, in my opinion, more harm than good. They are a point source, and that point source is very localizable. They do not really add to the experience, but detract from what is supposed to be spacious sound stage. Secondly, you have a speaker right next to a boundary. An unnecessary one which means you'll have to treat for it. It just complicates matters. You can achieve a better sound by using the right treatment and calibrating your system. As far as the surrounds go and calibrating them, how I do it will have to remain with me unless I'm calibrating the system.
Thank you again for your expert opinion.

On the multiple sides, I wasn't asking for your secret sauce on surround calibration, more of what the negative atmos/multichanel interaction was.

It seems that this is the point where you say it's time to hire a pro.
Keep in mind Atmos is attempting to be object oriented. Which means, there are no more discrete channels only speakers. So, if you feed two speakers the same signal, it's no longer an object oriented system really. Although, there is argument to say that Atmos isn't true object oriented.
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post #122 of 153 Old 05-13-2017, 10:25 AM
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Again, thank you guys for taking time out of your day to help an amateur out.
Aside from the great help you're getting here, there's more on tap if you start your own project thread. It would be inappropriate for such further discussions to clog this thread.

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post #123 of 153 Old 05-28-2017, 12:31 PM
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Shawn - just looking to see if the general size and shape of this space will be acceptable. Note that beyond framing the rectangular room, nothing has been designed at this point. This would be a framed space in a house we are looking to purchase.

Width: 19'6"
Depth: 24'
Height: 10'

So first question, are the dimensions of this room acceptable? Second, in the proposed blueprints (attached) they have these angled walls at the front - I'm assuming the best move would be to take those out and start the design with a clean slate of a rectangular room?

Thanks!
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post #124 of 153 Old 05-29-2017, 10:20 AM
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Here is the theater I am about to start getting built ... the builder breaks ground on the new house in a week or two.

Thinking a perforated StudioTek 100 and a 1800 lumen Sony 4K HDR projector. Planning on painting everything black and using velvet/fabric on walls if necessary and using very dark carpet. Planning a Dolby Atmos setup with 4 ceiling. All speakers are currently planned to be in-wall except maybe a a large (15"?) subwoofer underneath the risers (with two in-wall subs on either side ... M&K has a dual 8" in-wall sub, so 2x8" on left and 2x8" on right for subs).

CI has recommended M&K speakers.

Thinking about getting an oversized screen (maybe even 18' by 9') and then using fabric to mask off all the parts the 1800 lumens cannot handle. Thinking behind that is that in 5-10 years will be able to get a much higher lumens laser projector and then can start masking less.

Any advice would be greatly appreciated! Thank you.
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post #125 of 153 Old 05-29-2017, 10:22 AM
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Ooops, I pasted an older floor plan. I wish you could edit posts... attaching newer copy.

Room is 19' x 19' x 9'10" in the basement.
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post #126 of 153 Old 05-29-2017, 10:52 PM
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Shawn, awesome thread you have going here! It's extremely generous of you to share your knowledge freely. After years of reading on the subject as a hobby, I know just enough to understand that I really DON'T know much.

A quick general question for you. What's your opinion on placing the side surrounds even with to slightly behind the listener compared to slightly in front of the listener. Full disclosure - I have the latter and am quite happy with it, but I'm always interested in hearing others experiences.

Again, thanks for all the information and knowledge you are sharing here!

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post #127 of 153 Old 08-20-2019, 09:33 PM - Thread Starter
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My sincerest apologies for leaving this thread hanging for such a long time. I got very busy with client's (and if you were one of them, thank you very much!), so some things had to take a back seat for awhile. The pile is finally becoming manageable, so I talked with BigMouthinDC and asked if he would assist me here. He agreed, so we decided to float this thread back to the top! With Jeff's help, I think we can manage to keep this near the top.

So....is YOUR theater ready for prime time has shed its anchors and is back!

Thanks!
Shawn

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post #128 of 153 Old 08-21-2019, 03:51 PM
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So sad!


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post #129 of 153 Old 08-22-2019, 07:14 AM - Thread Starter
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Originally Posted by rmerlano View Post
So sad!

<img src="https://www.avsforum.com/forum/images/AVSForum/smilies/tango_face_sad.png" border="0" alt="" title="Frown" class="inlineimg" />
Ok. Thanks for sharing!

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post #130 of 153 Old 08-22-2019, 07:20 AM
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Originally Posted by SierraMikeBravo View Post
Ok. Thanks for sharing! Next caller please...
Really is sad for me.

I´m in the process to build a new house with HT room included, and yesterday I discovered this thread!!
So I was excited because of probably I could have some help from you.

But thank you, I guess I´ve learned some new things reading some posts here.

RM

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post #131 of 153 Old 08-22-2019, 07:23 AM - Thread Starter
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Quote:
Originally Posted by SierraMikeBravo View Post
Ok. Thanks for sharing! Next caller please...
Really is sad for me.

I&#194;&#180;m in the process to build a new house with HT room included, and yesterday I discovered this thread!!
So I was excited because of probably I could have some help from you.

But thank you, I guess I&#194;&#180;ve learned some new things.

RM
If you have a question, by all means ask away! Both Jeff and I saw your comment, and we were unsure of your intent, but we’re here to help, so let us know how we can do that! &#x1f642;

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post #132 of 153 Old 08-22-2019, 07:30 AM
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Originally Posted by rmerlano View Post
I´m in the process to build a new house with HT room included, and yesterday I discovered this thread!!
congratulations on getting a new house and Home Theater. Now the bad news, unless you have a really accommodating builder getting them to do things like using sound isolation methods, running unique wiring setups and providing sufficient HVAC for you and your friends can be an uphill battle ranging from refusal to "well it is going to cost you".
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post #133 of 153 Old 08-22-2019, 07:43 AM
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Originally Posted by SierraMikeBravo View Post
If you have a question, by all means ask away! Both Jeff and I saw your comment, and we were unsure of your intent, but we’re here to help, so let us know how we can do that! &#x1f642;
Great news!
Today I have a meeting with the professional that is gonna design the new house. After that (I´ll know the dimensions of the room -asking for 18´x24´x8´- ), I guess I´ll be in position to start (complete actually) the ideas I´ve for my HT room. As soon as I have more information, I´ll ask for your help!

But It´s my idea so far (the ATMOS speakers are not in these draws.



Thank you!
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post #134 of 153 Old 08-22-2019, 07:51 AM
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Quote:
Originally Posted by BIGmouthinDC View Post
congratulations on getting a new house and Home Theater. Now the bad news, unless you have a really accommodating builder getting them to do things like using sound isolation methods, running unique wiring setups and providing sufficient HVAC for you and your friends can be an uphill battle ranging from refusal to "well it is going to cost you".
Thank you Jeff!

It´s not a concern for me. My current HT was done by myself and some professionals. It has acoustic treatment (Roxul and OCR13)
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post #135 of 153 Old 08-22-2019, 08:02 AM - Thread Starter
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Originally Posted by rmerlano View Post
Great news!
Today I have a meeting with the professional that is gonna design the new house. After that (I´ll know the dimensions of the room -asking for 18´x24´x8´- ), I guess I´ll be in position to start (complete actually) the ideas I´ve for my HT room. As soon as I have more information, I´ll ask for your help!

But It´s my idea so far (the ATMOS speakers are not in these draws.



Thank you!
Looks like an interesting project. The idea of diffusors in the rear area near the rear surrounds is a good idea! The room behind the theater is also very useful! One suggestion to consider might be to place the projector back there, and have it shine through a port glass. Helps eliminate noise and additional heat from the room. Minisplits are a good idea. Have you calculated what you would need? On average, a 12,000 BTU unit cools and heats about 500 sq. ft. efficiently. It goes up from there, so based on the size of your room, you may need only one appropriately sized. Can you place the angles of the front left and right speakers from the head of the front row on your drawing?

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post #136 of 153 Old 08-22-2019, 09:58 AM
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Originally Posted by SierraMikeBravo View Post
Looks like an interesting project. The idea of diffusors in the rear area near the rear surrounds is a good idea! The room behind the theater is also very useful! One suggestion to consider might be to place the projector back there, and have it shine through a port glass. Helps eliminate noise and additional heat from the room. Minisplits are a good idea. Have you calculated what you would need? On average, a 12,000 BTU unit cools and heats about 500 sq. ft. efficiently. It goes up from there, so based on the size of your room, you may need only one appropriately sized. Can you place the angles of the front left and right speakers from the head of the front row on your drawing?
I like the idea of diffusors in the rear area. As you can see in the picture in previous post, I have diffussor on both sizes, but I think I can get more benefits if I add a couple on the rear wall.
Currently I have a small room in a side (see the post above) along with the rack there is an access door.
I´ve thought about to move the projector in the "service room", but I haven´t check if in that distance the image keep the size (150") an PQ. I have to review.
I live in México, Veracruz more precise, and here in summer the temperature reach the 40-43°C (104-109°F), so the capacity of the Minisplit must be bigger. For my application I have 2 units of 18000 BTU.
So far very good outcome in period of high temperature.

Find attached the angles. But remember that the size of the room may undergo some change and the position of the speakers may change even.
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post #137 of 153 Old 08-22-2019, 10:39 AM
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mini splits can be noisy on high, in your situation (HOT) having two allows you to run them in a quieter mode and might keep the room cool enough.
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post #138 of 153 Old 08-22-2019, 11:02 AM
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mini splits can be noisy on high, in your situation (HOT) having two allows you to run them in a quieter mode and might keep the room cool enough.
Exactly, but also I have another idea:

I want to mount both Minisplits into the service area and send the cooling true some ducts (removable under demand to make maintenance), avoiding the noisy and hot into the HT. And also split some part of ducts to send some cooling to projector.
I don´t know how yet, but the squirrel is working in my head since yesterday!

A draw of my idea... just an idea...
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post #139 of 153 Old 08-22-2019, 11:46 AM
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They make Ducted mini spits that do just that. All the noise is outside the space and you use sound attenuating ductwork to connect it to the theater, Not sure if available in your area.

https://www.ecomfort.com/Mitsubishi-...TH/p96644.html
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post #140 of 153 Old 08-22-2019, 11:49 AM
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They make Ducted mini spits that do just that. All the noise is outside the space and you use sound attenuating ductwork to connect it to the theater, Not sure if available in your area.
Those are good news!
Do you remember how is it called?
I can import if necessary

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post #141 of 153 Old 08-22-2019, 01:13 PM
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My MRCOOL 9k unit is nearly silent on high.. I think it runs at 22db on low, 30db on medium and 38db on high..

You can go with a Ducted Mini-Split but they are a lot more money and you have to add in the cost of all the duct work..
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post #142 of 153 Old 08-22-2019, 01:17 PM
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Mine is already too far gone to change


20'x14' with a 40" behind screen area for subs and LCR.
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post #143 of 153 Old 08-22-2019, 01:23 PM
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Mine is already too far gone to change

https://youtu.be/pEBagTr1tr0

20'x14' with a 40" behind screen area for subs and LCR.
Are you only doing Roxul? Or do you plan on some decoupling?

If not that roxul doesn't do squat.. I did my whole basement in it 4 years ago thinking it would work, but it was very disappointing and worst off is how much it cost vs the pink stuff which will actually perform better in a decoupled room..
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post #144 of 153 Old 08-22-2019, 09:46 PM
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Originally Posted by rmerlano View Post
Great news!
Today I have a meeting with the professional that is gonna design the new house. After that (I´ll know the dimensions of the room -asking for 18´x24´x8´- ), I guess I´ll be in position to start (complete actually) the ideas I´ve for my HT room. As soon as I have more information, I´ll ask for your help!

But It´s my idea so far (the ATMOS speakers are not in these draws.
It may not be my place to offer comments in this thread, but I would strongly encourage three design goals for your new room.

1) Use a higher ceiling. At least 9' if the overhead speakers are flush mount, or 10' if surface mount. At least.
2) As already mentioned, put the PJ in the equipment room. Having absolute silence is an asset even for movies.
3) Achieve at least a 50-deg angle of view from the front row. Using a "scope" screen (~2.35:1) makes that much easier to do when the ceiling height is a factor. After living with both 1.78 and 2.35 screens, I can say widescreen is the winner.

All of the above, and a ducted mini-split, are embodied in my current Deadwood II theater, linked below.

Best of luck with the project!
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Adam Audio S3V/S3H LCR, KEF Ci200QS 4 srrnd, Tannoy Di6 DC 4 hts, Hsu ULS-15 4 subs
JVC RS520; Stewart Cima Neve screen 125" diag 2.35:1, MLP at 115"

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post #145 of 153 Old 08-22-2019, 10:28 PM
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It may not be my place to offer comments in this thread, but I would strongly encourage three design goals for your new room.

1) Use a higher ceiling. At least 9' if the overhead speakers are flush mount, or 10' if surface mount. At least.
2) As already mentioned, put the PJ in the equipment room. Having absolute silence is an asset even for movies.
3) Achieve at least a 50-deg angle of view from the front row. Using a "scope" screen (~2.35:1) makes that much easier to do when the ceiling height is a factor. After living with both 1.78 and 2.35 screens, I can say widescreen is the winner.

All of the above, and a ducted mini-split, are embodied in my current Deadwood II theater, linked below.

Best of luck with the project!
1) Yes, I´m aware of that and it is already in the plan, butI´m afraid because I have some restrictions (neighborhood regulation) for the total height of my house and reach 9-10´ are almost impossible; but I´ll try to negociate.
2) I want do it! The weekend will play with sketchup and do some readings.
3) My projector is 1.78, so I guess will have some configurations/projections complications. I´m not sure, but I would like it.

Now, regarding your ducted mini-split, did you do some DIY? or you bought this kind of mini-split (Ducted)?
If is DIY, could you point me to the right directions? Do you have a step by step of that?

And thank you!!

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post #146 of 153 Old 08-23-2019, 06:05 AM
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Originally Posted by rmerlano View Post
1) Yes, I´m aware of that and it is already in the plan, butI´m afraid because I have some restrictions (neighborhood regulation) for the total height of my house and reach 9-10´ are almost impossible; but I´ll try to negociate.
If raising the roof height is absolutely not an option, perhaps lowering the floor could be done in just that room. I enter my room at the level of the riser, then step down to the front row. It's a nice effect. Your design is already set to do just that.

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3) My projector is 1.78, so I guess will have some configurations/projections complications. I´m not sure, but I would like it.
All PJs are native 1.78, including my JVC. I have enough brightness to use lens memory for each ratio, but one can also use an anamorphic add-on lens. I hate that idea due to cost, complexity, and certain optical distortions, but others seem to like it.

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Now, regarding your ducted mini-split, did you do some DIY? or you bought this kind of mini-split (Ducted)?
Same style as Big posted earlier. The HVAC folks made an adapter to feed the round ducting.

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Last edited by Roger Dressler; 08-23-2019 at 06:08 AM.
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post #147 of 153 Old 08-23-2019, 06:12 AM
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With ducted mini splits the air handler is a basic box open on both ends. A return air duct needs to be connected to one end and the supplies come out the other, You need to be able to fabricate and install the duct work. This will involve transition chambers that you can then connect to round flex duct or other. You also need to be able to install the electrical, compressor plumbing and then charging the system. I've seen the regular mini splits sitting on the self at Home Depot and Sams club in Mexico and was amazed that they are sold directly to the public. I think the plumbing comes pre-charged with the refrigerant. Ducted mini splits are a little more involved and you can probably DIY if you have the skills and necessary equipment. You will need to do some research.

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post #148 of 153 Old 08-23-2019, 10:25 AM
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Originally Posted by Roger Dressler View Post
If raising the roof height is absolutely not an option, perhaps lowering the floor could be done in just that room. I enter my room at the level of the riser, then step down to the front row. It's a nice effect. Your design is already set to do just that.

All PJs are native 1.78, including my JVC. I have enough brightness to use lens memory for each ratio, but one can also use an anamorphic add-on lens. I hate that idea due to cost, complexity, and certain optical distortions, but others seem to like it.

Same style as Big posted earlier. The HVAC folks made an adapter to feed the round ducting.
Yesterday I had a meeting with architect, was not a very productive meeting because he didn´t follow all my requirements, so he will back soon with options.
Is a good idea to lowering the floor, but my HT is gonna be build in second o third floor (no much piece of land to build). I´m working with architect to find a solution.

I agree with you regarding the anamorphic add-on len, are very expensive. Will do a research with Optoma to understand the options.
Looking for ducted mini split in Mexico. The price increase a little bit compared with standard Mini Splits.

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post #149 of 153 Old 08-23-2019, 10:27 AM
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Originally Posted by BIGmouthinDC View Post
With ducted mini splits the air handler is a basic box open on both ends. A return air duct needs to be connected to one end and the supplies come out the other, You need to be able to fabricate and install the duct work. Thise will involve transition chambers that you can then connect to round flex duct or other. You also need to be able to install the electrical, compressor plumbing and then charging the system. I've seen the regular mini splits sitting on the self at Home Depot and Sams club in Mexico and was amazed that they are sold directly to the public. I think the plumbing comes pre-charged with the refrigerant. Ducted mini splits are a little more involved and you can probably DIY if you have the skills and necessary equipment. You will need to do some research.
Thank you for the information. And yes, I have a lot to research.

Oppo UDP-203 - Receiver Denon X4300H - Projector Optoma UHD65 - Projection Screen Elite Screen Mate White 150" gain 1.1
5 Channels Amplifier Emotiva XPA-5 - NAS Qnap 412 4x3TB Disks.
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post #150 of 153 Old 08-23-2019, 10:31 AM
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I agree with you regarding the anamorphic add-on len, are very expensive. Will do a research with Optoma to understand the options.
Can always start without the extra lens, and see if you really need more brightness. If not, you're good to go.
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Deadwood II Theater (Previous Deadwood Theater HTOM)
Anthem AVM 60 7.4.4; Classé SSP-800 PLIIx 7.4; MiniDSP OpenDRC-AN
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