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post #91 of 672 Old 09-17-2008, 06:14 PM
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I like the idea of using sonotube horizontally with a forward firing driver. You could make a square front plate and back plate, connected by dowels on each corner. Dowels make nice handles and keep endcaps in place. It would not roll. PLus with sono, no bracing required. My only concern is if they are heavy enough to keep them from walking. If you don't make it like this, I just might try it myself with my Acoupower 18's. I've been giving this design some thought. What's your opinion Bosso?

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post #92 of 672 Old 09-17-2008, 06:47 PM - Thread Starter
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I did decide to go with 8 144 liter subs. Each will have one channel of a Behringer EP 2500.
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post #93 of 672 Old 09-18-2008, 10:24 AM
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DrV,
If you go with a tube design please look at Tape-Ease. They have plywood (like drumshells) cylinders available veneered and in sizes of 28"dia x 54" and 24" dia x 96". Reasonable prices. I'm thinking about using them.
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post #94 of 672 Old 09-18-2008, 12:01 PM
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Thanks for the tip Ricci.

24" dia. x 27.5 long = $93 w/o veneer. +$ shipping?

As nice as they might be, Sono is still much cheaper?

Dr V
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post #95 of 672 Old 09-18-2008, 12:09 PM
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Well yes it's more expensive than sono. I figured you've already bought 2 Acoupower's what's an extra $100 or 2? I thought it'd be easier to get a really nice looking finish with the Tape-Ease wooden tube and maybe the wood would be a bit more high quality than a regular sono. Just throwin it out there.
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post #96 of 672 Old 09-18-2008, 12:16 PM
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Bah! This is true. I might buy 2 more, so I'm really lookin' at 4.
A 12' chunk'o sono would keep me going. Not sure how I'd finish it. Being horizontal with square plates on each end wouldn't show very much from the seating positions.

I've bookmarked that site and appreciate you sharing your thoughts!

Thanx,
Dr V
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post #97 of 672 Old 09-18-2008, 07:36 PM
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Doc,

I'm with Ricci on this one. I've never been convinced that a cardboard tube could withstand a dual-opposing 2X18" sealed sub's violence without bracing.

I also dislike the coil embossing of the sonotube.

I like the idea of the dowels. I also like Ilkka's solution to the same problem. His caps are pretty slick and well executed.

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post #98 of 672 Old 09-18-2008, 09:18 PM
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A sono TP tube...come on Dr. V build a proper cabinet. The Acoupower 18's deserve better than a cardboard tube with caps. You know cheap S veee S and H s u used them to save cost and have subs that are light(less expensive to ship).

The least I would do is a simple box like I made for my dual TC-3000 back some time ago.
Use quality ply and you reduce weight big time over an MDF box.

A standard well built ply cabinet looks way better than some carboard tubes covered in a black carpet.

Ask yourself mortal , do you have as much displacement as me ? The answer is no unless you have a Windmere fan sub.
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post #99 of 672 Old 09-18-2008, 09:33 PM - Thread Starter
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No love for the sonos? I hide mine anyway. Don't you need bracing for the boxes? I am not very skilled with wood. I don't care what it looks like as long as the bass is great.
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post #100 of 672 Old 09-18-2008, 09:39 PM
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I agree with Bosso that the coil embossing is the weak point (thinking of those Pillsbury biscuit tubes poping when you twist them) However I cant think of ANY failures reported across the DIY realm. None! Some of Carlos's test were in fact done in sonotubes. I'm not opposed to baltic birch boxes either, as I'm half decent with woodworking. I like Sherv's bracing in his boxes. Just trying to get the best features.

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post #101 of 672 Old 09-19-2008, 06:27 AM
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Quote:
Originally Posted by Vinculum View Post

I agree with Bosso that the coil embossing is the weak point (thinking of those Pillsbury biscuit tubes poping when you twist them) However I cant think of ANY failures reported across the DIY realm. None! Some of Carlos's test were in fact done in sonotubes. I'm not opposed to baltic birch boxes either, as I'm half decent with woodworking. I like Sherv's bracing in his boxes. Just trying to get the best features.

Dr V

Ok so you will install your Acoupower in Pillsbury tubes. Pass me a knife and let me cut my portion.

Ask yourself mortal , do you have as much displacement as me ? The answer is no unless you have a Windmere fan sub.
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post #102 of 672 Old 09-19-2008, 06:51 AM - Thread Starter
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So what do you guys think? 8 singles at 5.6 cubes each or 4 duals at 9 cubes each? I could do a combination of both. If I did all duals they would be side firing and all singles would be forward firing.
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post #103 of 672 Old 09-19-2008, 11:33 AM
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I vote duals. Sorry we're slightly jacking your thread too, but I'm sure you don't mind!

V,
I also like the way Illka did his with the square bottomed end-caps. If you added the dowels idea and made the entire endcap square you could even put a nice table top on it(glass?). Just imagine something with a finish like this...








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post #104 of 672 Old 09-19-2008, 11:42 AM
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Duals make more sense to me because of the mechanical cancellation. I do like the aesthetics of front firing drivers, but if they are hidden behind the screen its not much of an issue for you.

Ricci, I'll checkout Ilkka's design. I've probably seen it before, I just can't picture it right now. Off to the other forum I go!

Dr V
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post #105 of 672 Old 09-22-2008, 06:39 AM - Thread Starter
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It seems the build is on hold because the eD drivers are on backorder. It may take a month. I may do 2 duals in the front corners and then 4 singles either all up front or 2 up front in the middle and the 2 back corners. What do you guys think of mixing duals with singles? It should be the same, no?
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post #106 of 672 Old 09-22-2008, 09:29 AM
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Hello,

I need to see and hear what this Sonosub madness is about. I just ordered two 18 inch ED drivers and the 1300 amp. They are going to do all my woodworking for me also. End caps base legs etc. I went shooping this past weekend for sono tube, pipe for ports, thin black carpet and glue. I am ready for more Elemental Designs in my house!!

rmlowz
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post #107 of 672 Old 09-22-2008, 09:44 AM
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Quote:


They have plywood (like drumshells) cylinders available veneered and in sizes of 28"dia x 54" and 24" dia x 96". Reasonable prices. I'm thinking about using them.


I remember looking all the options two years ago on the Tape-Ease site and I think the larger sizes cost a LOT more to ship. if its over 24x27", they can not ship it UPS meaning its a expensive shipment I think.

I still thought it was pretty cool option!

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post #108 of 672 Old 09-22-2008, 09:46 AM
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Quote:


I need to see and hear what this Sonosub madness is about.

No madness...its actually old news, Big boxes or big cylinders is the only question BOTH give similar performance.

Sonotubes just need encaps and a finish on them so it makes building a sub really, really easy.

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post #109 of 672 Old 09-22-2008, 11:36 AM - Thread Starter
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Hey Penn,

What do you think, duals, singles, or both?
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post #110 of 672 Old 09-22-2008, 03:31 PM
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MK - Hey, if I were in your situation, I would go with the 8 singles. Chop those tubes in half, make some more endcaps and then enjoy. Overall the project would be easy (since now you have built a sonotube before) and clean. Just gotta get those woofers and some extra wood.

With eight singles you have all sorts of placement flexibility and we all know that 8 18's will provide the proper amount of boom.

Well, that's what I think you should do.

My Dual 18" LLT subs 120dB down to 10hz

 

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post #111 of 672 Old 09-22-2008, 04:18 PM - Thread Starter
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I actually have an extra piece of mdf lying around from the last build. I was thinking of 4 singles and 2 duals. I would put the duals in the front corners and have 4 singles to put all over to smooth out the response.
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post #112 of 672 Old 09-22-2008, 04:25 PM
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That's actually not a bad idea at all. The eight singles was just for simplicity's sake and all but your plan sounds just as flexible. Sounds good. And you got yourself some extra MDF already.

Since you must wait for the drivers to be back in stock, have you purchased any extra EP2500's yet? I forgot if you did already. I'd say you will need at least four EP2500's giving you eight channels to work with. 650w per eD sounds pretty decent too.

Maaaannn, I wish I could hear that setup. Move on over to the west side.

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post #113 of 672 Old 09-22-2008, 04:29 PM - Thread Starter
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I will be ordering 8 ep2500's in all. I used to live in Scottsdale AZ, not that helps in anyway.
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post #114 of 672 Old 09-22-2008, 04:36 PM
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WOW!!! Eight EP2500's?!?! That is totally sweet.

Overkill has a name and it's MKtheater.

Ah yes, Scottsdale is a bit closer but alas... no help now.

Keep us all updated on the construction, MK. I will be looking forward to some inroom measurements once you have them all plugged in.

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post #115 of 672 Old 09-22-2008, 04:44 PM - Thread Starter
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I really should get a soundcard so I can take pre and post measurements. The EP's will power everything. I will most likely change them to qsc's in the future but not now. I will also add the midrange horn to speakers someday.
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post #116 of 672 Old 09-22-2008, 04:46 PM - Thread Starter
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I will place the order to eD tomorrow so when available it will be shipped ASAP.
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post #117 of 672 Old 09-23-2008, 07:47 AM
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I just noticed the 19ov.2's jumped 50 bucks.Glad I went ahead and ordered mine last month.
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post #118 of 672 Old 09-23-2008, 11:47 AM - Thread Starter
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Yes, they are going up in price.
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post #119 of 672 Old 09-23-2008, 11:51 AM
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MKtheater, Penngray, Anyone ???

Sorry to hijack the thread but I think I saw pictures posted by some of you have Rythmik Subs? Can you please share your love / hate relationship with the Rythmik Subs?

I am looking to build 2 x DS1500 Kits (mostly for music). Please PM if you don't want your view to be public.

Thanks!

Some says the glass is Half Full, and some say the glass is Half Empty. I say the glass is holding 50% of it's capacity. :)
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post #120 of 672 Old 09-23-2008, 12:05 PM
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Can I ask something here?

Why 8 sonosubs with 8 18"s? there is a fine line between Insane and retarded, and this is leaning towards the latter.

Anyone remember the one chick that you all kicked off of here for wanting what was it? 12 18"s in a IB? you all said she was nuts.... but how come no one has mentioned any of this to Mk yet?
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