Sibuna's - Sealed SI24 Build - AVS | Home Theater Discussions And Reviews
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post #1 of 249 Old 07-19-2014, 03:46 PM - Thread Starter
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Sibuna's - Sealed SI24 Build -

That title is somewhat of a lie as I'm gonna have some help with this but it is my driver. Box will be 46" x 23.75" x 30" (LxDxH) which will conveniently sit right behind my couch
I got the D2 driver and will be running it off of 1 channel of a FP14 Clone @ 4 Ohms


@Gorilla83 and I have been going back and forth trying to finalize the design for on this for a month or so and now its done, i posted the original idea in my other build thread, it got changed a little bit. but mostly the same

This WILL get built the first week of august.

not a small shipping box

Those are 12" floor tiles





Wood Porn








more to come
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Last edited by Sibuna; 09-15-2014 at 03:16 PM. Reason: test
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post #2 of 249 Old 07-19-2014, 03:50 PM
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post #3 of 249 Old 07-19-2014, 03:56 PM
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post #4 of 249 Old 07-19-2014, 06:25 PM
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Subscribed Sibuna, are you using double/triple front baffle? you are using plywood instead of MDF?
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post #5 of 249 Old 07-19-2014, 06:27 PM - Thread Starter
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triple baffle
cabinet grade ply over MDF because i want to be able to move it and also not just have it be a giant black box. veneering something that large would be a PITA
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post #6 of 249 Old 07-19-2014, 06:31 PM
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post #7 of 249 Old 07-19-2014, 06:47 PM
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nice..........

"Without subs it's just background music - with subs it's the main event!"
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post #8 of 249 Old 07-19-2014, 06:57 PM
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Gorgeous. Subscribed
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post #9 of 249 Old 07-19-2014, 08:09 PM
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Awesome!!

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post #10 of 249 Old 07-19-2014, 10:43 PM
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Awesome design.
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post #11 of 249 Old 07-19-2014, 11:03 PM
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Looks like a work of art instead of a sub.
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post #12 of 249 Old 07-20-2014, 03:05 AM
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Sweet. Looking forward to seeing it finished.
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post #13 of 249 Old 07-20-2014, 04:38 AM
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Can't forget the sketchup mockups too -




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Last edited by Gorilla83; 07-20-2014 at 04:47 AM.
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post #14 of 249 Old 07-20-2014, 04:40 AM - Thread Starter
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Quote:
Originally Posted by A9X-308 View Post
Sweet. Looking forward to seeing it finished.
iota gonna get finished with a stain of some kind, I did th eTV stand and other speakers with minwax oil based stains. all Red Oak and really liked how those came out. might do a different color. but it will prob be that route. Still going over some other things in my head, not 100% positive
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post #15 of 249 Old 07-20-2014, 08:08 AM
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Nice! Did this just happen or awhile ago. I don't recall a giant 24 sealed box laying around last week.
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post #16 of 249 Old 07-20-2014, 08:11 AM - Thread Starter
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just happened rilla cut it yesterday we finalized the design on like Thursday

Last edited by Sibuna; 07-20-2014 at 08:38 AM.
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post #17 of 249 Old 07-20-2014, 08:17 AM
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Awesome - great box design, guys
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post #18 of 249 Old 07-20-2014, 11:22 AM
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Yes, this is very cool indeed, ... hell the entire idea, all of it. And the box design and wood-working, very nice work thus far gentlemen.

Employing and optimizing this monster, and blending it into your system/room, near-field, should prove to be an interesting study. Yeah, this will be cool, and something I find of particular interest.

I'm curious about your EQ'ing/alignment plans, tools, etc. Aside from the typical small-sealed signal shaping, near-field placement often incurs some unique signal shaping challenges wrt both objective observations, and subjective preferences. I've shared this previously, but 10-to-15 years ago, I experimented a lot with a pair of near-field Velodynes. I found it fascinating balancing the tactile immediacy, with full extension and acoustic gain effects of the room.

It seems as if there's a lot of exploration and discussion of near-field effects as of late, rightfully so.

This is going to be a good one, exciting stuff. Thanks for sharing and best of luck. Just bad-ass.


(I wonder how much reactionary box movement you'll be up against, ... anyone recall statements wrt Beast's enclosure and such motion effects?)
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post #19 of 249 Old 07-20-2014, 12:59 PM
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Quote:
Originally Posted by Sibuna View Post
veneering something that large would be a PITA
Using contact cement, it's easier than you would imagine.
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post #20 of 249 Old 07-20-2014, 01:37 PM - Thread Starter
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Quote:
Originally Posted by FOH View Post
Yes, this is very cool indeed, ... hell the entire idea, all of it. And the box design and wood-working, very nice work thus far gentlemen.

Employing and optimizing this monster, and blending it into your system/room, near-field, should prove to be an interesting study. Yeah, this will be cool, and something I find of particular interest.

I'm curious about your EQ'ing/alignment plans, tools, etc. Aside from the typical small-sealed signal shaping, near-field placement often incurs some unique signal shaping challenges wrt both objective observations, and subjective preferences. I've shared this previously, but 10-to-15 years ago, I experimented a lot with a pair of near-field Velodynes. I found it fascinating balancing the tactile immediacy, with full extension and acoustic gain effects of the room.

It seems as if there's a lot of exploration and discussion of near-field effects as of late, rightfully so.

This is going to be a good one, exciting stuff. Thanks for sharing and best of luck. Just bad-ass.


(I wonder how much reactionary box movement you'll be up against, ... anyone recall statements wrt Beast's enclosure and such motion effects?)
EQing is gonna start with the omnimic in combo with its software/ REW and a MiniDSP, because thats what i currently have. with regards to beasts box this one should be quite a bit more sturdy due to the triple baffle and the design of the bracing.
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post #21 of 249 Old 07-20-2014, 01:58 PM
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Quote:
Originally Posted by Sibuna View Post
just happened rilla cut it yesterday we finalized the design on like Thursday
Cool, this is going to be great. I love this sub, I loved how this sub pressurized a room by itself. I would love to do the same build, but probably a bit to big for my room.
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post #22 of 249 Old 07-20-2014, 02:32 PM
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Could you use the cnc to add some sort of design to the front baffle?
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post #23 of 249 Old 07-20-2014, 02:38 PM
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Nice, but is this driver like the subway foot long? Called 24, yet only 21.5" including surround?
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post #24 of 249 Old 07-20-2014, 02:41 PM
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Holy bracing batman!

With the sub being so heavy and deep, do you guys think it would be a benefit to have double baffle's to screw into (i.e.-"quad baffle")?

I designed a dual opposed entertainment center a few weeks ago, but got a little too complicated with it to CNC it out...lol



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post #25 of 249 Old 07-20-2014, 02:56 PM - Thread Starter
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rillia and i discussed that we were actually just gonna do a ring inside the innder baffle for screw grab but the braces get too close, actually some of the mounting screws will be in the vert supports the others ill just glue a piece of srap behind
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post #26 of 249 Old 07-21-2014, 07:19 AM
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Quote:
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Could you use the cnc to add some sort of design to the front baffle?
Sure, like lettering or a logo or something?

Quote:
Originally Posted by popalock View Post
Holy bracing batman!

With the sub being so heavy and deep, do you guys think it would be a benefit to have double baffle's to screw into (i.e.-"quad baffle")?
Every end of brace supports the front baffle, and like Sibuna said the top and side screws for the driver will attach directly into the bracing, so plenty of wood to bite into to support that beast.

Last edited by Gorilla83; 07-21-2014 at 07:22 AM.
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post #27 of 249 Old 07-21-2014, 07:44 AM
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Nice, but is this driver like the subway foot long? Called 24, yet only 21.5" including surround?
ID is 22.5" and OD is 24.5" from the MFG? Sibuna could confirm, but I remember the mounting ring being less than 0.5" wide.
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post #28 of 249 Old 07-21-2014, 08:10 AM
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Quote:
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EQing is gonna start with the omnimic in combo with its software/ REW and a MiniDSP, because thats what i currently have. with regards to beasts box this one should be quite a bit more sturdy due to the triple baffle and the design of the bracing.
I think once I can toss another sheet or two on the front that I can get pretty close, but the bracing certainly isn't near as pretty

stoked to see where this goes...

BTW, is there not a general Minidsp thread somewhere or did it die somehow?

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post #29 of 249 Old 07-21-2014, 08:25 AM - Thread Starter
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I think once I can toss another sheet or two on the front that I can get pretty close, but the bracing certainly isn't near as pretty

stoked to see where this goes...

BTW, is there not a general Minidsp thread somewhere or did it die somehow?
the miniDSP thread is sill here Beast MiniDSP
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post #30 of 249 Old 07-21-2014, 08:28 AM
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Man that CNC is awesome... I want one

What's all that wavy looking wood on the cabinet popalock? Just a visual design?
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