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post #61 of 145 Old 03-15-2013, 07:20 AM - Thread Starter
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OK slowed down a bit due to some travel and building of the subwoofer boxes.

Here are my subs being built: 19" x 19" mdf


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post #62 of 145 Old 03-15-2013, 07:21 AM - Thread Starter
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Here is my 134" scope screen frame wrapped with 2 layers of spandex.
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post #63 of 145 Old 03-15-2013, 07:22 AM - Thread Starter
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Here is a pic of my two subs in their home


I'm looking forward to trying them out tonight once the glue cures
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post #64 of 145 Old 03-15-2013, 08:17 AM - Thread Starter
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Here is the front wall with the screen hung


Time to work on the velvet panels now.
24Changer likes this.
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post #65 of 145 Old 03-15-2013, 06:01 PM
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Those subs look mean down there. Have more details on them including build and parts? Also, you front wall seems so perfect looking. Very nice and professional looking

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post #66 of 145 Old 03-15-2013, 08:08 PM - Thread Starter
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Quote:
Originally Posted by tbraden32 View Post

Those subs look mean down there. Have more details on them including build and parts? Also, you front wall seems so perfect looking. Very nice and professional looking

Thanks! I'm putting together the parts right now and I'll post them. Kicked them both on tonight and WOW. The sound is amazing. Those Sunfire speakers are incredible too. I haven't tuned anything, I'm excited for the possibilities.
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post #67 of 145 Old 03-15-2013, 08:21 PM - Thread Starter
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OK so here is the subwoofer build parts list:

- iNuke 3000DSP amp. This drives both subwoofers in stereo mode.
http://www.behringer.com/EN/Products/NU3000DSP.aspx


- Two Stereo Integrity HTS 15" Drivers
http://stereointegrity.com/index.php?id=60


- Two pair Dayton Gold Binding Posts
http://www.parts-express.com/pe/showdetl.cfm?partnumber=091-1245

- Two sheets of 3/4" MDF

- Gorilla Wood Glue

- Wood Screws

Total cost: < $1000
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post #68 of 145 Old 03-17-2013, 08:41 AM
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Ok,

On the chance I look like a fool and know nothing I am going to ask a couple of questions that may seem incredibly stupid or noobish. I am currently doing a lot of reading and lurking when it comes to DIY subs and speakers. Since you have basically just done what I have considering doing (dual 15" subs which look great BTW) I wanted to inquire further.

On your sub boxes, I notice that your pics do not show any internal bracing. Did you forgo bracing or is it just not in the photos? How did you determine the size of the enclosure? I'm guessing that the size of your boxes equates to a 4cuft box. I have seen others use 3cuft box for 15" as well but have also read that closer to 4cuft is optimal.

On the Beringer amp you have it uses the XLR and twist lock connectors. What I was wanting to do is use my existing 12ga speaker wire previously run to the front of my theater and use a rack mounted amp to power the subs. What type of cable or adapter do I need to use to connect an amp like the iNuke to standard speaker cables? I have tried googling for connectors and adapters and no luck. Would something like the EUROPOWER EPX4000 be more what I would need to use?

Your build is coming right along. Looks like you are going to have a great space. Love the look of the screen and the screen wall. I will have to do some more reading on the spandex screen, that looks very interesting.

Regards,

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post #69 of 145 Old 03-18-2013, 01:09 PM - Thread Starter
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Quote:
Originally Posted by RTROSE View Post

On your sub boxes, I notice that your pics do not show any internal bracing. Did you forgo bracing or is it just not in the photos? How did you determine the size of the enclosure? I'm guessing that the size of your boxes equates to a 4cuft box. I have seen others use 3cuft box for 15" as well but have also read that closer to 4cuft is optimal.

This really depends on your drivers. Generally the driver will have a 'spec'. For instance, the spec on mine is 3cu ft. If you are doing sealed 15" subwoofers, 3cu ft should be plenty. Mine is around 3cu ft when you account for bracing and driver volume. I just used scraps of mdf to build my bracing. There are all kinds of ways to do it but I prefer the minimalist approach and just rip 1" wide strips of mdf and glue a bunch bracing the sides.
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Originally Posted by RTROSE View Post

On the Beringer amp you have it uses the XLR and twist lock connectors. What I was wanting to do is use my existing 12ga speaker wire previously run to the front of my theater and use a rack mounted amp to power the subs. What type of cable or adapter do I need to use to connect an amp like the iNuke to standard speaker cables? I have tried googling for connectors and adapters and no luck. Would something like the EUROPOWER EPX4000 be more what I would need to use?
This is quite easy to handle. So for the amp inputs, you can purchase rca -> XLR cables from monoprice I purchased two of these and they work great.

For connecting the speakon connectors to your subwoofers, you just put these on the end of your 12 gauge speaker wires and plug them into the amp: Speakon connectors. The speaker wire just screws in, 5 minute process.
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Your build is coming right along. Looks like you are going to have a great space. Love the look of the screen and the screen wall. I will have to do some more reading on the spandex screen, that looks very interesting.

Thank you very much. The spandex screen is pretty incredible for the cost. I built it as a temporary screen until Seymour releases their new fabrics, but it may be around longer after seeing the performance smile.gif

I built my screen frame using screen-tite, so I can swap out material very quickly.
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post #70 of 145 Old 03-18-2013, 01:59 PM
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post #71 of 145 Old 03-18-2013, 02:16 PM
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how are those Sunfires L/C/R compared to other LCRs ?

display - vizio p65
AVR x4300h +lepai 2ch amp = 7.2.4
L/C/R - Chane 2.4, SURROUND - dayton 3in cubes *temporary
BASS - 2x Seaton F18 + JTR 1400 "the wind machine" (not port noise)
2100 ft^3
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post #72 of 145 Old 03-18-2013, 04:52 PM
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Thanks for the explanation. I figured there had to be connectors and adapters for this and that as there are adapters for just about everything. I was just google impaired at the moment I guess.

Regards,

RTROSE

My (slower than molasses) HT build here.
Now a Certified Carpet Counselor and Plumbing Counselor (Self given titles - pay no attention).
Enjoying my "almost done" theater.
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post #73 of 145 Old 03-25-2013, 05:35 AM - Thread Starter
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Quote:
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how are those Sunfires L/C/R compared to other LCRs ?

Tough to say as I've not listened to a lot of high-end speakers, but they are the best speakers I've ever personally listened to.
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post #74 of 145 Old 03-25-2013, 05:37 AM - Thread Starter
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Cut out my prototype column last night. I'm happy with it so far, doesn't seem to impact sound at all.

Only thing I don't like is how close to the steps it is.





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post #75 of 145 Old 03-25-2013, 08:28 AM
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Column looks really nice. I'd say for a "prototype" your spot on.

Regards,

RTROSE

My (slower than molasses) HT build here.
Now a Certified Carpet Counselor and Plumbing Counselor (Self given titles - pay no attention).
Enjoying my "almost done" theater.
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post #76 of 145 Old 03-25-2013, 10:29 AM
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I see what you mean about the column and the step. People may be banging into it as they go past. It may be fine. The only two things I can think of is to make your column shallower, and/or make your step a bit wider. Both of these ideas sound like a major pita.

Maybe you should test out the current gaps by putting a chair in position and walking back-and-forth a few times.
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post #77 of 145 Old 03-25-2013, 07:06 PM
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I personally think a lower profile column would be in order unless you're dead set on the style. Just my opinion though. Looking great!! Stay motivated!!

"Nick, what did your dad get done in the movie room tonight?" "Nothin', he just went down there and stared again".
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post #78 of 145 Old 03-26-2013, 01:45 PM
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neaner,

You have your own thread to update, right? You kinda fell off the face of the earth. How goes your theater.

Sorry to thread jack.

Regards,

RTROSE

My (slower than molasses) HT build here.
Now a Certified Carpet Counselor and Plumbing Counselor (Self given titles - pay no attention).
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post #79 of 145 Old 03-26-2013, 02:09 PM - Thread Starter
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Quote:
Originally Posted by Jonny5nz View Post

I see what you mean about the column and the step. People may be banging into it as they go past. It may be fine. The only two things I can think of is to make your column shallower, and/or make your step a bit wider. Both of these ideas sound like a major pita.

Maybe you should test out the current gaps by putting a chair in position and walking back-and-forth a few times.

I think I'll cut a cardboard mockup for the chairs and see what its like
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post #80 of 145 Old 03-26-2013, 05:16 PM
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neaner,

You have your own thread to update, right? You kinda fell off the face of the earth. How goes your theater.

Sorry to thread jack.

Regards,

RTROSE


Uh oh.......busted. I'll update the thread tonight.

"Nick, what did your dad get done in the movie room tonight?" "Nothin', he just went down there and stared again".
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post #81 of 145 Old 03-28-2013, 07:00 AM
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Wow, another fine Local Theater being built, Looking Awesome! Keep up the great Work!
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post #82 of 145 Old 03-28-2013, 03:15 PM
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Scandal,

You have any good links to threads or discussions on comparing your DIY subs to retail subs such as ED, SVS, Triad or alike?

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post #83 of 145 Old 05-20-2013, 06:56 PM
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Quote:
Originally Posted by ScAndal View Post

Here is the front wall with the screen hung


Time to work on the velvet panels now.
Are you putting a frame on your screen?
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post #84 of 145 Old 06-05-2013, 09:34 AM
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Looking Good !!! Looking for any new updates.....
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post #85 of 145 Old 06-05-2013, 09:46 AM
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I like the screen. I have been contemplating building a BIGGER screen for my room.
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post #86 of 145 Old 07-08-2013, 08:46 AM - Thread Starter
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Scandal,

You have any good links to threads or discussions on comparing your DIY subs to retail subs such as ED, SVS, Triad or alike?

I don't have any. I'm sure there are a ton out there but it was apparent while going through the threads that DIY was the only way I was going to get multiple subs in my theater. I couldn't afford to purchase 4 SVS subs. I also like the fact that I can swap out drivers, amps when needed with DIY.
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post #87 of 145 Old 07-08-2013, 08:47 AM - Thread Starter
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Are you putting a frame on your screen?

I'm not putting a frame on my screen itself. I am however, blacking the entire screen wall out in velvet.
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post #88 of 145 Old 07-08-2013, 08:48 AM - Thread Starter
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I like the screen. I have been contemplating building a BIGGER screen for my room.

I'm on my third theater now and I've always wished I built bigger in each case. This time I built it as big as I could smile.gif
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post #89 of 145 Old 07-08-2013, 09:00 AM - Thread Starter
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OK after a long break due to many issues ($$, having to move the building to the garage, extremely long MN winter), I'm back working on the theater.

I've put up the MDF panels, trimmed out the rail cap and the baseboards.

Next Steps:
- wood filler
- sand
- seal
- paint

After that, time to research carpets.









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post #90 of 145 Old 07-08-2013, 09:48 AM
 
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Looking good !
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