Official DIY Dolby Atmos thread - Page 2 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #11 of 22 Old 10-04-14, 06:20 PM Thread Starter
 
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Re: Official DIY Dolby Atmos thread

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Mike Edwards wrote: View Post
yup, just do a standard cube box and hang them from the ceiling studs
My problem is I don't know where the studs are... Only where the Hat channel is... Plus I am not supposed to go to the studs or I will negate the soundproofing of doing hat channel.

How much do you anticipate the boxes weighing?

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post #12 of 22 Old 10-04-14, 06:43 PM
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Quote:
ellisr63 wrote: View Post

My problem is I don't know where the studs are... Only where the Hat channel is... Plus I am not supposed to go to the studs or I will negate the soundproofing of doing hat channel.

How much do you anticipate the boxes weighing?
Can only guess. No more than 15 lbs I'd assume
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post #13 of 22 Old 10-04-14, 06:54 PM Thread Starter
 
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Re: Official DIY Dolby Atmos thread

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Mike Edwards wrote: View Post
Can only guess. No more than 15 lbs I'd assume
15lbs should be reasonable for me to hang from the sheetrock... I believe. I think I will have to try a horn loaded version if possible to make it hug the ceiling as my screen is only 7" from the ceiling... Unless I can spread the box out and make it very shallow.

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post #14 of 22 Old 10-05-14, 08:09 AM
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Re: Official DIY Dolby Atmos thread

I'm thinking these speakers will have to be half that size to not look horrible. More like 5H X 8W X 6D. Or there about. Small bracket to hold them. I'm thing more along the lines of the small box speakers that I used to put under my truck seat (metal box). I know this is a DIY thread, but I'm thinking Jon's 4" split gap woofer would fit the bill perfectly. Don't know if you can buy them or not.
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post #15 of 22 Old 10-05-14, 10:37 AM Thread Starter
 
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Re: Official DIY Dolby Atmos thread

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Tonto wrote: View Post
I'm thinking these speakers will have to be half that size to not look horrible. More like 5H X 8W X 6D. Or there about. Small bracket to hold them. I'm thing more along the lines of the small box speakers that I used to put under my truck seat (metal box). I know this is a DIY thread, but I'm thinking Jon's 4" split gap woofer would fit the bill perfectly. Don't know if you can buy them or not.
I agree... They should be very shallow boxes to make it look good. If you could make it 4-5" deep you could even hide them behind sound panels by cutting a hole for the speaker box, and mount the panel over the box (as long as you are using AT material of some sort).

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post #16 of 22 Old 10-06-14, 03:31 PM
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Re: Official DIY Dolby Atmos thread

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ellisr63 wrote: View Post
I know there are a lot of bright people on this forum that are into making their own speakers... So since Dolby Atmos is the latest, and requires special speakers for the height channels... I decided to put this thread up to see what designs people are thinking of building to make their own Dolby Atmos height channels. I my self am interested in making a set down the road, but I need to try and make something that will also be light as it will be the in ceiling design.

From what I have read there are 2 variations of the height channels...
1: In Ceiling or on Ceiling facing downward
2: Above your existing speakers facing upward at an angle to reflect off of a predetermined spot on the ceiling.

The downside to #1 as far as I can see is the speakers will not be able to have much size in the average HT (unless you have high ceilings.

The down side to #2 is that you cannot have ceiling treatments where the speaker needs to be reflecting for height channels.

Feel free to post up your ideas and concerns about DIY Dolby Atmos Height channel speakers.
You should have proof read this before posting. Height channels are used for Dolby as "wides" or "height" channels. They have nothing to do with Atmos.

From what I have read there are 2 variations of the height channels...
1: In Ceiling or on Ceiling facing downward


NO height channels with Atmos. Height channels are for Dolby.
They are the same regardless if they are built in the ceiling or mounted on the ceiling. Only difference being the cabinet will be seen. Both will play sound directly underneath.

The downside to #1 as far as I can see is the speakers will not be able to have much size in the average HT (unless you have high ceilings.

They are ceiling speakers (small surround style speakers) I don't think anyone is mounting 50lb speakers to their ceilings. No downside.

2: Above your existing speakers facing upward at an angle to reflect off of a predetermined spot on the ceiling.

They will offer Atmos module speakers that can be placed on your speaker or mounted to the wall. They are already available.

The down side to #2 is that you cannot have ceiling treatments where the speaker needs to be reflecting for height channels.

2/3 of the people probably do not have dedicated theaters with ceiling treatments. Those that do will have to remove the the reflecting source. There's already a white paper concerning Atmos setup that answer this question and many others.

Questions 1&2 are basically irrelevant as they have already been answered on the Atmos website. Atmos speakers and add on modules are already for sale. As far as DIY the best option IMO is the Volt from diysoundgroup.com. They are also working on some new additions.
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post #17 of 22 Old 10-06-14, 04:17 PM Thread Starter
 
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Re: Official DIY Dolby Atmos thread

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xtinkshun wrote: View Post
You should have proof read this before posting. Height channels are used for Dolby as "wides" or "height" channels. They have nothing to do with Atmos.

From what I have read there are 2 variations of the height channels...
1: In Ceiling or on Ceiling facing downward


NO height channels with Atmos. Height channels are for Dolby.
They are the same regardless if they are built in the ceiling or mounted on the ceiling. Only difference being the cabinet will be seen. Both will play sound directly underneath.

The downside to #1 as far as I can see is the speakers will not be able to have much size in the average HT (unless you have high ceilings.

They are ceiling speakers (small surround style speakers) I don't think anyone is mounting 50lb speakers to their ceilings. No downside.

2: Above your existing speakers facing upward at an angle to reflect off of a predetermined spot on the ceiling.

They will offer Atmos module speakers that can be placed on your speaker or mounted to the wall. They are already available.

The down side to #2 is that you cannot have ceiling treatments where the speaker needs to be reflecting for height channels.

2/3 of the people probably do not have dedicated theaters with ceiling treatments. Those that do will have to remove the the reflecting source. There's already a white paper concerning Atmos setup that answer this question and many others.

Questions 1&2 are basically irrelevant as they have already been answered on the Atmos website. Atmos speakers and add on modules are already for sale. As far as DIY the best option IMO is the Volt from diysoundgroup.com. They are also working on some new additions.
I have researched...
This is word for word directly from Dolby...

"Dolby Atmos Home Theater Installation Guidelines

Most AVRs that support Dolby Atmos have speaker connections labeled HEIGHT, as shown in figure 2. Some AVRs do not use the HEIGHT label for all capable channels, but instead allow you to assign specific terminals for the height speaker outputs through the graphical user interface in the setup menu."

"Front Height Speakers"
"Most AVRs will support the front height (Dolby Pro Logic IIz) mounted speakers with Dolby Atmos playback; however Dolby recommends the use of either Dolby Atmos enabled speakers to create the most lifelike and enveloping experience. Front height speakers may be used in larger room installations that can support a greater number of overhead/height outputs."

BTW: The Height channels are called a term that is not allowed to be posted in the forum... Hence the Height channel term is used.

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post #18 of 22 Old 02-13-15, 07:36 AM
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Re: Official DIY Dolby Atmos thread

I'm in the process of building some cabinets for my DIY Atmos set up. Looking forward to getting the new format up and running. Can't wait for the immersive sound experience!

Components shot:



Mock up cabinets:



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post #19 of 22 Old 06-02-15, 11:53 AM
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Re: Official DIY Dolby Atmos thread

Dave, did those speakers get finished? Or even better, is there a build thread to go with them? I'd love to follow along and see what you did.

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post #20 of 22 Old 11-10-15, 05:56 PM Thread Starter
 
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Re: Official DIY Dolby Atmos thread

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Mike Edwards wrote: View Post
I'm going g to be making some volt 8 or 10 coaxials for the job. They'll work perfectly
Did you ever get a pair made?

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