Ellis Family Retirement HT: Go big or go home - Page 43 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #421 of 795 Old 10-08-14, 10:59 AM Thread Starter
 
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Re: Ellis Family Retirement HT: Go big or go home

Yeah, I am hoping my Contractor completes his job this weekend and finishes the hallway, and HVAC part so I can continue with the everything else.

Ron

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Yamaha CX-A5100, (3) JBL 2360A/EV DHA-1s, (3) 1/4 Pie bass bins, (2 pr) JBL 8340As, (2 pr) JBL 8320s, PS3, XBox One, (2) Intel NUCs, Redmere HDMI cables, Monster Signature HTPS7000, (2) Furman Power Conditioners, (2) DTS-10 subs, Panasonic AE8000, SeymourAV 180 (195" diag) scope screen, Darbee Darcet, Panamorph UH-480 lens, (2) Crest Audio 2208, Yamaha XM-4080 & P7000s, (2) MiniDSP DDRC-88M, Oppo UDP-203

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post #422 of 795 Old 10-08-14, 11:12 AM
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Re: Ellis Family Retirement HT: Go big or go home

Sorry - been swamped. Try bumping it up just a little bit and see if the response follows. If not, then they're likely modal nulls and you won't fix them just with a level adjustment. You'll need to address one of the 2 cancelling waves via room treatment. Or, play with the sub position and see if you can gain a little there, or both.

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post #423 of 795 Old 10-08-14, 11:21 AM Thread Starter
 
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Re: Ellis Family Retirement HT: Go big or go home

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Sorry - been swamped. Try bumping it up just a little bit and see if the response follows. If not, then they're likely modal nulls and you won't fix them just with a level adjustment. You'll need to address one of the 2 cancelling waves via room treatment. Or, play with the sub position and see if you can gain a little there, or both.
Thanks Bryan

Ron

My Home Theater
Yamaha CX-A5100, (3) JBL 2360A/EV DHA-1s, (3) 1/4 Pie bass bins, (2 pr) JBL 8340As, (2 pr) JBL 8320s, PS3, XBox One, (2) Intel NUCs, Redmere HDMI cables, Monster Signature HTPS7000, (2) Furman Power Conditioners, (2) DTS-10 subs, Panasonic AE8000, SeymourAV 180 (195" diag) scope screen, Darbee Darcet, Panamorph UH-480 lens, (2) Crest Audio 2208, Yamaha XM-4080 & P7000s, (2) MiniDSP DDRC-88M, Oppo UDP-203

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post #424 of 795 Old 10-14-14, 12:16 PM Thread Starter
 
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Question Re: Ellis Family Retirement HT: Go big or go home

If I move my 4" absorber panels to the ceiling and make new 4" panels for the walls...

What would happen if I put pegboard on the front side of the panels and then wrapped them with GOM? Would that allow me to use more panels (to help with the bass traps) without hitting the highs too much? My thinking is that the pegboard would allow some high frequencies to be absorbed and reflect most of them... While at the same time absorbing some of the bass.

Ron

My Home Theater
Yamaha CX-A5100, (3) JBL 2360A/EV DHA-1s, (3) 1/4 Pie bass bins, (2 pr) JBL 8340As, (2 pr) JBL 8320s, PS3, XBox One, (2) Intel NUCs, Redmere HDMI cables, Monster Signature HTPS7000, (2) Furman Power Conditioners, (2) DTS-10 subs, Panasonic AE8000, SeymourAV 180 (195" diag) scope screen, Darbee Darcet, Panamorph UH-480 lens, (2) Crest Audio 2208, Yamaha XM-4080 & P7000s, (2) MiniDSP DDRC-88M, Oppo UDP-203

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post #425 of 795 Old 10-14-14, 12:27 PM
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Re: Ellis Family Retirement HT: Go big or go home

If you want to not hit the highs, use a membrane of some sort. Mass will determine the cutoff - FSK, Pond Liner, or even MLV will cut off progressively lower.

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post #426 of 795 Old 10-14-14, 12:40 PM Thread Starter
 
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Question Re: Ellis Family Retirement HT: Go big or go home

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If you want to not hit the highs, use a membrane of some sort. Mass will determine the cutoff - FSK, Pond Liner, or even MLV will cut off progressively lower.
I take it that I should not put any membrane on first reflection points, correct? If I use a membrane (not on first reflection points) can I do all the walls with 4" thick Roxul, or will that still be too much? Is this a good idea?

Ron

My Home Theater
Yamaha CX-A5100, (3) JBL 2360A/EV DHA-1s, (3) 1/4 Pie bass bins, (2 pr) JBL 8340As, (2 pr) JBL 8320s, PS3, XBox One, (2) Intel NUCs, Redmere HDMI cables, Monster Signature HTPS7000, (2) Furman Power Conditioners, (2) DTS-10 subs, Panasonic AE8000, SeymourAV 180 (195" diag) scope screen, Darbee Darcet, Panamorph UH-480 lens, (2) Crest Audio 2208, Yamaha XM-4080 & P7000s, (2) MiniDSP DDRC-88M, Oppo UDP-203

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post #427 of 795 Old 10-14-14, 01:49 PM
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Re: Ellis Family Retirement HT: Go big or go home

Reflection points need to be full range. I would not cover all the wall surface with anything. Too much. You need to know what your target decay time curve should be, address the things you know you need to do (front wall, reflections, and broadband bass control), then see what you have left and balance it out accordingly.

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post #428 of 795 Old 10-14-14, 01:55 PM Thread Starter
 
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Re: Ellis Family Retirement HT: Go big or go home

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Reflection points need to be full range. I would not cover all the wall surface with anything. Too much. You need to know what your target decay time curve should be, address the things you know you need to do (front wall, reflections, and broadband bass control), then see what you have left and balance it out accordingly.
So basically... I should make my front, and rear wall panels, and first reflections for ceiling, and walls, and then measure?

Ron

My Home Theater
Yamaha CX-A5100, (3) JBL 2360A/EV DHA-1s, (3) 1/4 Pie bass bins, (2 pr) JBL 8340As, (2 pr) JBL 8320s, PS3, XBox One, (2) Intel NUCs, Redmere HDMI cables, Monster Signature HTPS7000, (2) Furman Power Conditioners, (2) DTS-10 subs, Panasonic AE8000, SeymourAV 180 (195" diag) scope screen, Darbee Darcet, Panamorph UH-480 lens, (2) Crest Audio 2208, Yamaha XM-4080 & P7000s, (2) MiniDSP DDRC-88M, Oppo UDP-203

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post #429 of 795 Old 10-14-14, 02:37 PM
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Re: Ellis Family Retirement HT: Go big or go home

And corners.

I am serious... and don't call me Shirley.

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post #430 of 795 Old 10-14-14, 02:44 PM Thread Starter
 
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Re: Ellis Family Retirement HT: Go big or go home

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And corners.
I will be using 6" of Roxul 60 on the whole rear wall... I was thinking of angling the panels in the rear corners with the same panels that are on the rear wall... Is that enough? The front wall will have 3" of Roxul R60 wall to wall... Do I need to build out some more for the corners too?

Ron

My Home Theater
Yamaha CX-A5100, (3) JBL 2360A/EV DHA-1s, (3) 1/4 Pie bass bins, (2 pr) JBL 8340As, (2 pr) JBL 8320s, PS3, XBox One, (2) Intel NUCs, Redmere HDMI cables, Monster Signature HTPS7000, (2) Furman Power Conditioners, (2) DTS-10 subs, Panasonic AE8000, SeymourAV 180 (195" diag) scope screen, Darbee Darcet, Panamorph UH-480 lens, (2) Crest Audio 2208, Yamaha XM-4080 & P7000s, (2) MiniDSP DDRC-88M, Oppo UDP-203

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