Most powerful sealed sub - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 15 Old 02-20-2019, 06:39 PM - Thread Starter
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Most powerful sealed sub

What’s the best sealed sub that I can run off of 1 channel of an inuke 6000dsp?


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post #2 of 15 Old 02-20-2019, 06:58 PM
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What’s the best sealed sub that I can run off of 1 channel of an inuke 6000dsp?


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32"
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post #3 of 15 Old 02-20-2019, 08:17 PM
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32"
BOOM and he drops the mic
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post #4 of 15 Old 02-21-2019, 04:09 AM
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32"
pfft upgrade to the new hotness, 50" subs!
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post #5 of 15 Old 02-21-2019, 06:50 AM
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Quote:
Originally Posted by Tward2 View Post
What’s the best sealed sub that I can run off of 1 channel of an inuke 6000dsp?
Your thread title differs from your question...

In regards to the most powerful:
One with a very precisely drilled hole... You'll get more output out of a tapped horn, ported design, or passive radiator.

In all seriousness, sub output is a function of excursion and cone area. If you get a bigger driver, it will have more cone area than a smaller driver. Look to some big cones for your sealed sub. You will hit a point of diminishing (financial) returns somewhat quickly, however, as you won't be taking advantage of those larger drivers with only an inuke. You'll still get higher efficiency with a bigger cone, but at the expense of your wallet buying that big driver and not utilizing all of it.

So, I guess you gotta give us some more restraints. Are you set on sealed? Do you have a required enclosure size/volume? Do you have a budget?
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post #6 of 15 Old 02-21-2019, 07:08 AM - Thread Starter
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Trying to get the most out of the single channel with the smallest enclosure.


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post #7 of 15 Old 02-21-2019, 07:14 AM
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I think it would be best to be more specific. How small are you talking?

A good starting point would be a UM-18 in a flat-pack from PE or DIYSG.
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post #8 of 15 Old 02-21-2019, 08:13 AM - Thread Starter
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I have 2 UM-18’s in mini Marty’s. Great down low not much in the upper range. I have 2-pa460’s in 4 cu ft sealed flat packs. Great in the upper range, nothing down low. Was wondering if maybe a 2-21” b&c sealed could come close to the performance of the other much larger enclosures.


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post #9 of 15 Old 02-21-2019, 09:46 AM
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I'm getting ready to build a sealed 4 cu.ft. sub using a custom built PSi Platform 4 18" driver. I thought that 2500w RMS may be all that the 20 amp circuit could handle. Uncharted territory for me concerning this powerful of a driver, but it should be a fun learning experience.
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post #10 of 15 Old 02-21-2019, 11:23 AM
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"Smallest" needs to be defined. A 1 cu ft box for a 32" driver will still have larger dimensions than a 4 cu ft box for an 18" driver.

Same for "most powerful". One sub might take 10,000 W to get to full output, but another might match that volume with 100 W.

Same for "best". Lowest -3dB frequency? Lowest distortion under particular conditions? Flattest uncorrected anechoic response under particular conditions? Prettiest driver? Most output per $?
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Sources/processing: stack of stuff that if it isn't vintage now, it will be soon!
Amps: stacks and stacks of old iron
Main speakers: big DIYSG
Surrounds: Bose graveyard
Subs: a bunch
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post #11 of 15 Old 02-21-2019, 02:50 PM
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Quote:
Originally Posted by Tward2 View Post
Trying to get the most out of the single channel with the smallest enclosure.


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Try this. Ported will get better output in a range of frequencies... but has a larger box.



GSG Full Marty Build: https://youtu.be/-U1deD_0j9c
UM18-22 Sealed Subwoofer Build: https://youtu.be/7ifac8Rh8gk
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post #12 of 15 Old 02-21-2019, 04:46 PM
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Quote:
Originally Posted by Tward2 View Post
I have 2 UM-18’s in mini Marty’s. Great down low not much in the upper range. I have 2-pa460’s in 4 cu ft sealed flat packs. Great in the upper range, nothing down low. Was wondering if maybe a 2-21” b&c sealed could come close to the performance of the other much larger enclosures.


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Build this:
https://data-bass.com/data?page=system&id=6
With the B&C https://data-bass.com/data?page=driver&id=69, saves $100 or so per driver. Output right around tune will still be lower than the ported UM-18's, but you will have WAY more output above and below tune than all four of your current subs. Compare this to the FV18 on data bass for what might be a similar approximation for your ported UM-18's. UM-18's should be decent in the upper range if you are feeding them enough power. Not compared to the PA460's, and not compared to the B&C 21's or the BMS18n862, but decent I would think.

I'd love to dual oppose my drivers but the budget for that kind of upgrade(which would honestly be completely unnecessary for my needs) is nowhere on the horizon.

How about two small dual opposed UM-18's if looking for a lower cost option?
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post #13 of 15 Old 02-22-2019, 07:05 PM
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Lots of these drivers or PA style are great for 50hz and up but if you cross at 80hz you are better off with the UM18 sealed. It depends on your mains and your room. You are going to lose lots of output at and around tune no matter what unless you go big excursion sealed, than you can make some of that back up.
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post #14 of 15 Old 02-23-2019, 07:55 AM
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Quote:
Originally Posted by Tward2 View Post
I have 2 UM-18’s in mini Marty’s. Great down low not much in the upper range. I have 2-pa460’s in 4 cu ft sealed flat packs. Great in the upper range, nothing down low. Was wondering if maybe a 2-21” b&c sealed could come close to the performance of the other much larger enclosures.
Box model all 3 and compare.
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post #15 of 15 Old 02-23-2019, 02:13 PM
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Box model all 3 and compare.
When you say box model are you referring to specific program like bass box? Or modeling software in general?

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