22" cube or small ported - Home Theater Forum and Systems - HomeTheaterShack.com

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post #1 of 23 Old 06-26-15, 02:00 AM Thread Starter
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22" cube or small ported

Hey everyone, trying to decide if there's a good reason to do 2 small ported subs over 22" sealed cubes for SI HT18s. They will be powered by a inuke 6000 with a minidsp. I can do 22" sealed cubes or something up to max dimensions of 22"H x 32"W x 24" D for a ported or sealed build. The room is 1400cuft, so which ever way I go, should have plenty of just having a hard time deciding.
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post #2 of 23 Old 06-26-15, 07:27 AM
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Re: 22" cube or small ported

For me it would be sealed all the way. That alignment will play deeper than bass reflex, which has more output. In a 1400 ft^3 room output won't be an issue with 18" drivers though, so getting the additional depth could prove very beneficial.

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post #3 of 23 Old 06-26-15, 07:33 AM Thread Starter
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Re: 22" cube or small ported

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theJman wrote: View Post
For me it would be sealed all the way. That alignment will play deeper than bass reflex, which has more output. In a 1400 ft^3 room output won't be an issue with 18" drivers though, so getting the additional depth could prove very beneficial.
Would the 22" cube just be the way to go or should I try for the bigger sealed box?
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post #4 of 23 Old 06-26-15, 07:45 AM
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Re: 22" cube or small ported

I don't have sufficient WinISD knowledge to determine what the optimal box size would be, so perhaps someone else can answer that one for you.

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post #5 of 23 Old 06-26-15, 01:57 PM
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Re: 22" cube or small ported

With sealed I'd try to go as big as I can. When I get home tonight I will throw this into WinISD (if someone doesn't beat me to it) and post some graphs....

I'm running a DIYSoundGroup Ported Cube 15 with the SI 15 D2 w 1k of wattage and it hammers in my house which is a fairly large space (dont know the cubic square footage but its LOTS).

So I'm sure either way you will be fine.
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post #6 of 23 Old 06-26-15, 02:13 PM Thread Starter
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Re: 22" cube or small ported

Quote:
EndersShadow wrote: View Post
With sealed I'd try to go as big as I can. When I get home tonight I will throw this into WinISD (if someone doesn't beat me to it) and post some graphs....

I'm running a DIYSoundGroup Ported Cube 15 with the SI 15 D2 w 1k of wattage and it hammers in my house which is a fairly large space (dont know the cubic square footage but its LOTS).

So I'm sure either way you will be fine.
Ender thanks for the info. Yeah any help I could get with WINISD would be greatly appreciated!
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post #7 of 23 Old 06-26-15, 03:05 PM
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Re: 22" cube or small ported

Quote:
theJman wrote: View Post
I don't have sufficient WinISD knowledge to determine what the optimal box size would be, so perhaps someone else can answer that one for you.
Quote:
Rhuarc wrote: View Post
...any help I could get with WINISD would be greatly appreciated!
Trying to learn about DIY, so I'm in awe of what you know already. Just sayin'. Have a good weekend!

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post #8 of 23 Old 06-26-15, 05:50 PM Thread Starter
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Re: 22" cube or small ported

It's been awhile since I've built a sub, what is everyone using for glue/sealant for the interior? I saw some folks referencing PL, not sure what that is...
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post #9 of 23 Old 06-26-15, 07:27 PM
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Re: 22" cube or small ported

PL in an industrial sealant. Several variants exist, depending upon what your needs are. Premium is the one a lot of people use for subwoofer enclosures.

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post #10 of 23 Old 06-26-15, 07:50 PM Thread Starter
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Re: 22" cube or small ported

All I found for premium is adhesive. Is there am actual sealant or is it just a construction adhesive?
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