What would your preferred DIY gear be for a 7.2.4 system - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 35 Old 03-31-2020, 05:20 PM - Thread Starter
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I am in the beginning phases of designing a house, complete with a theater room. Breaking ground will be a few years away yet, but I’m trying to get a design now that I can continually modify and start the planning and budgeting. A theater room is going to be high priority in this new house. It will either be in a bonus room over the garage (most likely), or in a basement. I’ve got a design Ive come up with for the theater room that is 22x30, with 2 rows of seating, and a bar behind the 2nd row. Movies 25%, gaming15%, music, sports, and entertaining 60%.

With all that being said, I’m curious to see what everyone’s thoughts are on the “best” DIY gear. If you had a clean slate, what would you want your ideal set up to look like? I’ve been researching the site a lot over the past few months, and there’s a ton of information scattered which makes it difficult to search through.

LCR: DIYSG 1099s

Would 1299s have more output and overall sound “better”? Titans? HTM’s?

Surrounds and Atmos : HTM-10s

Would HTM-12s be better? Volts? 4 or 6 speaker Atmos?

Subwoofers: HST-18 MKIII in ported enclosures

Would FI HT-3 be a better option? I would like to make 2 dual enclosures to resemble JTR captivator 4000s

Amps: iNUKE 12000s or Sinbosen FP20000 for subs, Emotiva for mains and surrounds.

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post #2 of 35 Old 03-31-2020, 05:30 PM
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I highly suggest you place it under the garage, if you play bass at the levels I enjoy...

I assume you are building 4 HST-18's, given the quad channel fp20k.
I wouldn't recommend the inuke for those woofers (inuke is too weak!)
The FP20k on the other hand should be great, if not a bit overkill, which is always a good thing in this hobby.

If you really want to "feel the bass" then I'd recommend quad B&C 21's with a 2nd fp20k if you can.
Car and HT subs are great for generating earthquakes but not so much for the >40hz-300hz which is where 90% of the bass is (and 100% of the chestkick/drums/explosions/rock/metal/dance/pop).

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post #3 of 35 Old 03-31-2020, 05:30 PM
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What will your budget be for this project? Asking "What would your preferred DIY gear be for a 7.2.4 system" can get really, expensive really quickly around these parts.

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post #4 of 35 Old 03-31-2020, 05:36 PM - Thread Starter
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What will your budget be for this project? Asking "What would your preferred DIY gear be for a 7.2.4 system" can get really, expensive really quickly around these parts.
The budget for the equipment will be around 15-20k. Hoping to get the theater done for around 30k.
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post #5 of 35 Old 03-31-2020, 05:56 PM
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The budget for the equipment will be around 15-20k. Hoping to get the theater done for around 30k.
Option 1 Quad NSW 21 Ported or Devastator
Option 2 two ported HS24 and two NSW 21 Devastator.
Amplification FP20000Q or SpeakerPower SP2-12000 HT for silent operation
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post #6 of 35 Old 03-31-2020, 06:15 PM
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Option 1 Quad NSW 21 Ported or Devastator
Option 2 two ported HS24 and two NSW 21 Devastator.
Amplification FP20000Q or SpeakerPower SP2-12000 HT for silent operation
Option 2: two ported HS24 and two NSW 21 Devastator......YES PLEASE ALL DAY LONG!!!



IJS....


Juju
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post #7 of 35 Old 03-31-2020, 06:22 PM
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Option 2: two ported HS24 and two NSW 21 Devastator......YES PLEASE ALL DAY LONG!!!



IJS....


Juju
That really would be a killer setup. Actually, I've thought about ordering a NSW 21, but I'd have to build another Dev that works best with that driver.
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post #8 of 35 Old 03-31-2020, 06:24 PM
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That really would be a killer setup. Actually, I've thought about ordering a NSW 21, but I'd have to build another Dev that works best with that driver.
Yep..... That system would be my system on steroids..... I'm currently rocking the stuff in my sig..... AWESOME. That system would just be SICK!!!!


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post #9 of 35 Old 03-31-2020, 06:30 PM - Thread Starter
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Originally Posted by johnson636 View Post
Option 1 Quad NSW 21 Ported or Devastator
Option 2 two ported HS24 and two NSW 21 Devastator.
Amplification FP20000Q or SpeakerPower SP2-12000 HT for silent operation[IMG class=inlineimg]/forum/images/smilies/smile.gif[/IMG]
Option 2: two ported HS24 and two NSW 21 Devastator......YES PLEASE ALL DAY LONG!!!



IJS....


Juju
Is there a benefit to doing 2 of each instead of 4 of one or the other?
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post #10 of 35 Old 03-31-2020, 06:37 PM
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Is there a benefit to doing 2 of each instead of 4 of one or the other?
Don't get me wrong, 4 devastators loaded with NSW 21 would be killer in its own right, but 2 20 cuft ported HS24s would have more low end output due to massive Xmax. The NSW 21 would dominate above 40Hz.
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post #11 of 35 Old 03-31-2020, 07:21 PM
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Don't get me wrong, 4 devastators loaded with NSW 21 would be killer in its own right, but 2 20 cuft ported HS24s would have more low end output due to massive Xmax. The NSW 21 would dominate above 40Hz.
Exactly this ^^^^^ AND you can vary the mix to get the exact tone that you want for your space...


Juju

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post #12 of 35 Old 03-31-2020, 07:25 PM
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I would wait and see how the Alpha loaded with an NSW does port plugged. Jared said it was tactile on concrete with the 19Hz. Four of those would just be bonkers either way!

This is the way...
Stormbreaker | WI HT Meet Thread | The Devastator Index | Dual Mini Devastator Build
7.2.4 | A3070 | XLS 1502 | 3000DSP | 2x Aphex 124A | 2x Bic EV15 | 7x Bic FH6 LCR | 2x Bic FH65-B | Epson 5010e | 120" DIY AT Screen | 2x Mini Devastators

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post #13 of 35 Old 03-31-2020, 08:32 PM
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24 all the way.

Building the room, speakers, and subs.
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post #14 of 35 Old 04-01-2020, 10:03 AM
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With that large of a space, I think the Titans would be a good call for LCR.

I tend to go conservative on surrounds/atmos. I would say HT-10s for surrounds and volt 10s for atmos. Save a little money here, spend a little more on the subs.
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post #15 of 35 Old 04-01-2020, 10:05 AM
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If I'm not mistaken, EricH will be coming out with a Titan 18. I'd go that route or the 1899 lcr
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post #16 of 35 Old 04-01-2020, 07:03 PM
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I thought he discontinued the 1899.
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post #17 of 35 Old 04-01-2020, 10:50 PM
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Quote:
Originally Posted by Bryce2320 View Post
...I’ve got a design Ive come up with for the theater room that is 22x30, with 2 rows of seating, and a bar behind the 2nd row. Movies 25%, gaming15%, music, sports, and entertaining 60%. ...

With music, sports, and entertaining at 60%, I would recommend getting creative with your seating, and moving away from "theater" mode. I'm thinking swivel rockers arranged in semicircles, so guests can visit, but still swivel into position for movies, sports, or concert videos. Speaker choices remain the same.

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post #18 of 35 Old 04-02-2020, 04:35 AM
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I would wait and see how the Alpha loaded with an NSW does port plugged. Jared said it was tactile on concert with the 19Hz. Four of those would just be bonkers either way!

What I was trying to say is tactile on concrete! I suggest 4 Alphas. Nsw’s are fun.
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post #19 of 35 Old 04-02-2020, 05:28 AM
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I thought he discontinued the 1899.
Wow, I didn't know that.

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post #20 of 35 Old 04-02-2020, 06:42 AM
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Is there a benefit to doing 2 of each instead of 4 of one or the other?
Hey Bryce, great project, and it sounds like you’re on the right track and asking all the right questions! Addressing this one directly, the answer is “perhaps.” Different sub boxes and different drivers have their individual strengths and weaknesses. Some large ported enclosures excel at making low-end bass but are far less efficient in mid and upper bass. Other designs, like the devastators, while good at the low end, but are absolutely insane at producing mid bass. Enough identical units of either design properly EQ’ d and placed strategically can fill in the entire bass spectrum nicely. But mixing the strengths of different designs could allow you to do the same thing with fewer subs and more “tuneability.”

A second advantage comes into play when you consider the most important factor - your room. Nobody’s room is like anybody else’s, and yours will likely have locations that deliver one area of bass better than other locations. One corner may give you tons of mid and upper bass but have a huge hole at 20-30 hz. Another may be great down low but just eat bass in a higher spectrum. Putting a sub that excels at making the spectrum of bass that a specific room location delivers could allow you to get the most from both your subs and your room.

I’ve done it both ways, and both ways can sound great. However, I’ve gotten my best results mixing designs and placing each design in a location that plays to its strengths.

SPEAKERS: 3 x DIYSG 1099's LCR; DIYSG HTM 6's and 8's surround; 4 x RSL C34E's atmos.
SUBS: 4 x UM18-22 Mini Marty's and 2 x 21DS114-4 Devastators
SIGNAL CHAIN: Denon X4400; Minidsp 2x4 HD; 2 x Jensen Iso Sub 2RX; 3 x NX6000d.
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post #21 of 35 Old 04-02-2020, 07:32 AM
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I thought he discontinued the 1899.
Wow, I didn't know that.
I just looked and they are in the clearance section. I would guess that once the run out if someone really wanted them you could still get some but might cost more. I believe they are 908$ each though on the limited supply clearance page.
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post #22 of 35 Old 04-02-2020, 08:27 AM
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I just looked and they are in the clearance section. I would guess that once the run out if someone really wanted them you could still get some but might cost more. I believe they are 908$ each though on the limited supply clearance page.
I didn't even know they had a clearance section

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post #23 of 35 Old 04-02-2020, 11:57 AM - Thread Starter
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Thanks for the feedback so far. Here’s a sketch of what I’ve got dreamed up in my head so far. I think there should be room on the sides of the bar area to put a sub if need be. Would be nice to keep everything behind the screen though.

If I decide on speakers and subs, I may start building those and use them in my current garage where I have a 150” screen, with 4 Revel 8” in ceiling speakers.

Are the Titans better speakers then the 99 series?
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post #24 of 35 Old 04-02-2020, 12:18 PM
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Are the Titans better speakers then the 99 series?
That is a very subjective question. Each has its strengths and weaknesses.

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post #25 of 35 Old 04-02-2020, 01:01 PM - Thread Starter
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That is a very subjective question. Each has its strengths and weaknesses.
I knew better then to use that word....

I have not had the chance to listen to any DIY audio gear, and probably will not before buying. I think I am more concerned with smooth and clear highs at reference levels. I will have plenty of subwoofer power to take care of the LFE. What are the pros and cons of each if you have experience with both? Thanks
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post #26 of 35 Old 04-02-2020, 04:10 PM
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If I'm not mistaken, EricH will be coming out with a Titan 18. I'd go that route or the 1899 lcr
Is there a thread on this anywhere?

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post #27 of 35 Old 04-02-2020, 04:32 PM
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Is there a thread on this anywhere?

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Erich H has mentioned on a couple of occasions. Below is a post from Matt

http://www.hificircuit.com/community...e-3#post-11208

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post #28 of 35 Old 04-03-2020, 08:34 AM
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Erich H has mentioned on a couple of occasions. Below is a post from Matt

http://www.hificircuit.com/community...e-3#post-11208
My space is 23x28 with the back closed and 23x47 with the back opened up (big events). 10ft walls, 15ft ceilings. My system is not 100% diy but close enough. I use 3xAltec A7 cabinets purchased on craigslist filled with TD15M and PRV D290Py-B compression drivers on Altec 511 horns. Extensive DIY cabinet reinforcement, horn dampening, etc. Low end is handled by 3 DIY dual PA460 cabinets about 24cu.ft. each tuned around 29hz. The LCR are tri-amped active crossovers. The sides, rear, and eventually atmos are currently using jbl 8330a speakers. These can be had for about $65 each (with patience and persistence). They are reasonably durable and cheaper than any DIY speaker of similar capabilities. I'm using Ashly amps I find on craigslist and ebay to power it all, with a Yamaha TSR-7810 receiver and Echo Layla interfaces. Total audio system expenditure about $3500 all-in.

Do not underestimate how much headroom is needed. With the room full of people when the Super Bowl halftime show comes on you will want it louder than any movie. I had the subwoofer and td15m amps almost clipping at points, so basically cranked as loud as it would go. Nobody complained, but I did have to make people move away from the front row. That is in the 125db range at the speaker.

Your budget is bigger than mine so you have more choices. I'd think 3xTitan 615lx, 2xSubmaximus v3, volt-10s for the rest if I could do it over again.
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post #29 of 35 Old 04-03-2020, 09:45 AM
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Originally Posted by gil393 View Post

Your budget is bigger than mine so you have more choices. I'd think 3xTitan 818lx, 4xSubmaximus v3, volt-10s for the rest if I could do it over again.
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Audio: 5.2.4 Marantz SR7011- (LCR) QSC 2180 - (Surrounds) (4) BIC FH6-LCR- (Atmos) (4) Dayton Audio B652 6-1/2-Inch- (Subs)2 23ishcuft ported HS24s 14-15Hz tune - 2 Devastator Minis B&C21ds115 - 4 PA460 in ported cabs 40Hz tune- FP20000Q- 2 Sanway FP10000Q- Crown XLS1500- . To be continued...
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post #30 of 35 Old 04-04-2020, 08:44 PM
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Originally Posted by Bryce2320 View Post
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With all that being said, I’m curious to see what everyone’s thoughts are on the “best” DIY gear. If you had a clean slate, what would you want your ideal set up to look like? I’ve been researching the site a lot over the past few months, and there’s a ton of information scattered which makes it difficult to search through.
LCR: DIYSG 1099s
Would 1299s have more output and overall sound “better”? Titans? HTM’s?
Surrounds and Atmos : HTM-10s
Would HTM-12s be better? Volts? 4 or 6 speaker Atmos?
Subwoofers: HST-18 MKIII in ported enclosures
Would FI HT-3 be a better option? I would like to make 2 dual enclosures to resemble JTR captivator 4000s
Amps: iNUKE 12000s or Sinbosen FP20000 for subs, Emotiva for mains and surrounds.

LCR - Titan 630LX
Surrounds - HTM12
Atmos - Vortex 12, HTM12 if you have the ceiling height
Subs - Devastator Finalizer with B&C, Eminence or LaVoce 21" driver, whichever models best
Amps - QSC or Hypex Ncore for mains and surrounds, Speakerpower for subs

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