New 12" Rythmik Sub project - AVS Forum
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post #1 of 86 Old 02-06-2007, 05:18 AM - Thread Starter
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I started this project a little over a week ago and with the arrival of the kit from Rythmik due tomorrow, I'm ready to start posting on my buildup. I used the triangular shape of the Klipsch for inspiration after WAF .

All initial cuts were made with a circular saw at 30 degrees using a saw board for guiding the cuts on 3/4 MDF. Titebond III and strap clamps were used to hold the sides together until the glue set up. I was then able to use the internal edges of the enclosure as a template to mark 1/2 MDF for the internal bracing. I used the enclosure carcass again to mark the top and bottom out of 3/4 MDF and cut them with a slight overhang so that I could use a router and flush trim bit to align the edges once the screws were in place for the top and bottom.

More to come in the next few days as the rest of the pieces are fitted together.

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post #2 of 86 Old 02-06-2007, 05:37 AM
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Looking good!

Only time will tell what the future holds...so until then JAM LIKE THERES NO TOMORROW!
-Rob

My Natalie P project
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post #3 of 86 Old 02-06-2007, 07:00 AM - Thread Starter
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This pic shows the top screwed, glued, and the countersinks beginning to be filled. Seams on the top and sides were gone over with Gorilla glue and sanded smooth the next day after the flush cut router did its job on the top.

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post #4 of 86 Old 02-06-2007, 07:11 AM
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Hey..looks pretty nice.

A question for you. You filled your holes with gorilla glue. Does that work well for painting? I ask because i used the standard wax wood filler on my box and it did not take paint well.
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post #5 of 86 Old 02-06-2007, 11:10 AM - Thread Starter
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Painting... I'm not so sure about.

I'm veneering Zebrawood onto this project. It seems that if you're using plastic wood, sanding and priming before paint, that you'd be ok. If you're talking bout the touch up wax stick before painting then no paint doesn't stick to that well at all.
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post #6 of 86 Old 02-06-2007, 11:48 PM
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That enclosure looks very cool! What are its dimensions and its volume? I'm curious how the size would compare to that of a standard "cube" enclosure.

Thanks!
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post #7 of 86 Old 02-07-2007, 05:04 AM - Thread Starter
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tkc - Lots of math on this enclosure I hadn't had to use in the last 27 years. Roughly a 1.9cf enclosure empty with 4.75 short sides, 15.25 long sides, 17.25 tall. I'm not saying my calculations aren't flawed but if they are, then the formula used is too. Looking at it as tight as it'll be around the driver, you'd swear it can't be as big as I calculated. Heck, I can always rebuild a box right?
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post #8 of 86 Old 02-07-2007, 06:22 AM - Thread Starter
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At work on it early this morn. Got the bottom baffle and lower brace routed for speaker clearance. The upper brace is shown in the pic... a 1" hardwood dowel is glued into it and extends to the top where it is epoxied in place once the clearance is cut for the amp.

Fed-Ex is working early too... 9:30am and my 40 lb's of goodness from Rythmik was just delivered!

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post #9 of 86 Old 02-07-2007, 06:46 AM - Thread Starter
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I'm test fitting to get measurements for amp clearance. I'd really hate to weaken the bracing structure due to the shape of the box!

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post #10 of 86 Old 02-07-2007, 07:38 AM
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Thanks for the updates! Keep 'em coming! That is a seriously sweet lookin' sub. I am jealous!

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post #11 of 86 Old 02-07-2007, 08:09 AM
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Great design for the floor-spaced challenged!
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post #12 of 86 Old 02-07-2007, 08:09 AM - Thread Starter
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What I haven't mentioned before is that I'm a first timer at this also. I wouldn't nomally go into this as much but I'm hoping to show someone else that they could do it too.
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post #13 of 86 Old 02-07-2007, 08:21 AM - Thread Starter
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That was the idea when I made the pact with my wife Matt. Get rid of the large stand that holds the electronics and move them to a hall media closet. TV on the wall recessed. In-wall speakers to minimize room protrusions and the sole cabinet would be the sub with a small footprint that wouldn't be an eyesore or a bother to get around. Unless I screw up the veneer, I think I'll have achieved all my goals. My only question at this point is whether to install Polk or Boston Acoustic in-wall drivers.
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post #14 of 86 Old 02-07-2007, 08:47 AM
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Quote:
Originally Posted by natural View Post

That was the idea when I made the pact with my wife Matt. Get rid of the large stand that holds the electronics and move them to a hall media closet. TV on the wall recessed. In-wall speakers to minimize room protrusions and the sole cabinet would be the sub with a small footprint that wouldn't be an eyesore or a bother to get around. Unless I screw up the veneer, I think I'll have achieved all my goals. My only question at this point is whether to install Polk or Boston Acoustic in-wall drivers.

Paradigm AMS or CS series.

-Eli

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post #15 of 86 Old 02-07-2007, 10:27 AM
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Quote:
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That was the idea when I made the pact with my wife Matt. Get rid of the large stand that holds the electronics and move them to a hall media closet. TV on the wall recessed. In-wall speakers to minimize room protrusions and the sole cabinet would be the sub with a small footprint that wouldn't be an eyesore or a bother to get around. Unless I screw up the veneer, I think I'll have achieved all my goals. My only question at this point is whether to install Polk or Boston Acoustic in-wall drivers.

I have heard good things about the Axiom in/on wall drivers as well. Just in case you were not set on BA or Polk....

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post #16 of 86 Old 02-07-2007, 11:01 AM - Thread Starter
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Thanks guys... I'll check out any suggestions you have on in-walls.

Well, I'm at a stopping point. Box is one piece now and I'm having to wait on glue and filler to dry so I can final sand and start the veneer. The only good thing bout being out of work and recovering from surgery is having the time to devote to this and the living room remodel.. Thinking seriously bout maybe slapping on some leather and taking my Harley out for a spin. 64 degrees is awful tempting!
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post #17 of 86 Old 02-07-2007, 11:28 AM
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Would you be up to building some in-walls from scratch?
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post #18 of 86 Old 02-07-2007, 11:40 AM
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Quote:
Originally Posted by natural View Post

Thanks guys... I'll check out any suggestions you have on in-walls.

Well, I'm at a stopping point. Box is one piece now and I'm having to wait on glue and filler to dry so I can final sand and start the veneer. The only good thing bout being out of work and recovering from surgery is having the time to devote to this and the living room remodel.. Thinking seriously bout maybe slapping on some leather and taking my Harley out for a spin. 64 degrees is awful tempting!

I am sorry to hear about your medical woes. Hopefully, you are on the road to recovery. I would be out doing something, 64 beats the hell out 4 here in PA!
I can't wait to see the veneers....

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post #19 of 86 Old 02-07-2007, 12:32 PM - Thread Starter
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Thanks Joe, doc cleared me for work under restrictions but work doesn't want me till I'm 100%. Still got a month and a half to go.

Talk to me Willd, I thought about it... can they handle 110w?
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post #20 of 86 Old 02-07-2007, 12:45 PM
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post #21 of 86 Old 02-07-2007, 02:06 PM - Thread Starter
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Willd... thats exremely interesting and would make a wonderful addition to the Rythmik. I need to do some checking and see if the Yamaha RX-V659 can handle the impedance load these demand.
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post #22 of 86 Old 02-07-2007, 04:04 PM
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It would probably handle the MT OK, but yeah, but an external amp would be a good idea with the MTM (not that they wouldn't work at all with the 659).
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post #23 of 86 Old 02-07-2007, 04:41 PM
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Quote:
Originally Posted by natural View Post

Thanks Joe, doc cleared me for work under restrictions but work doesn't want me till I'm 100%. Still got a month and a half to go.

Talk to me Willd, I thought about it... can they handle 110w?

That's not the way you want to be on vacation. At least you can have some fun while you are off! Keep up the good work...

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post #24 of 86 Old 02-07-2007, 07:07 PM - Thread Starter
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You're right... being out has cut into my cash pretty good.

Last two pics before I started veneering below. Top, rear, and one corner done but ran outta Titebond and I'm low on Satin oil based poly too so I'll be making a early trip in the morn.

Willd.... as soon as I have this project behind me I'll research those a bit more!



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post #25 of 86 Old 02-07-2007, 07:27 PM
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Nice work!
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post #26 of 86 Old 02-08-2007, 02:05 AM
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Natural,

I really like this idea! I have spare bedroom I've turned into my HT but the only problem is the 13'x15' size. Space is at a premium but even with a HSU VTF-3/2 in there I find myself wanting more. I have three empty corners in my room, triplets has a nice ring too it.

Can't wait to see the finished product!
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post #27 of 86 Old 02-08-2007, 03:25 AM - Thread Starter
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The room this is going in is 11x16x8. I can't see why this shouldn't be enough for the time being to knock my socks off with!

I can't wait to finish either! This Zebrawood is EVIL veneer to work with. Def not for the first timer with veneer. Thank god I'm not a first time on veneering. If I had it to do again, I'd have used Ebony.
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post #28 of 86 Old 02-08-2007, 04:27 AM
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Quote:
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The room this is going in is 11x16x8. I can't see why this shouldn't be enough for the time being to knock my socks off with!

I can't wait to finish either! This Zebrawood is EVIL veneer to work with. Def not for the first timer with veneer. Thank god I'm not a first time on veneering. If I had it to do again, I'd have used Ebony.

I'm sure it will. I'm leaning towards the Rythmic 15" servo kit but unlike you I may just go with a basic sealed cube design as this would also be my first DIY sub. I guess I'm not as adventurous but after seeing the graphs blueenrgy produced with his sub, I did become a believer.
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post #29 of 86 Old 02-08-2007, 05:31 AM - Thread Starter
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Don't know how adventurous it is. If I were being adventerous, I'd route a Superman emblem in the top with a layer of 1/4 lexan under that with red and blue leds side lighting the lexan and call it Supersub. But then I'd have to set it out at Christmas so Santa would know where to land.
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post #30 of 86 Old 02-08-2007, 09:30 AM
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Don't know how adventurous it is. If I were being adventerous, I'd route a Superman emblem in the top with a layer of 1/4 lexan under that with red and blue leds side lighting the lexan and call it Supersub. But then I'd have to set it out at Christmas so Santa would know where to land.

That would definitely be adventurous!

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