MiniMarty Build Adventure - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 23 Old 09-02-2017, 08:37 AM - Thread Starter
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MiniMarty Build Adventure

Even though there are hundreds of build threads for the marty line, I thought I would partake!

I've intentionally taken a lot of photos for people who like detail. I hope that this inspires and maybe helps others who are considering doing this.

If you have any questions, feel free to respond to this or PM me; I will do my best to help!



Enclosure design : Mini Marty
Driver: Stereo Integrity SI-18 V2
Amp: iNUKE 6000DSP

Tools and supplies:
PPE ( eyewear and ear protection)
Two saw horses
(X2) 4' x 8' (3/4 inch) MDF
(X1) 2' x 4' (1/4 inch) MDF
(X6) 2" x 2" x 8' (bracing)
4 1/2" electrical sander
Titebond3
1.5" brad nails
Spray adhesive
2' x 9' of foam insulation
Silicone sealant
Makeshift work table out of 2x4's
Air gun for nails
Air compressor
Cut off saw
Right angle measurement ruler
Copper speaker wire
4 pole speakon post
Gasket tape
Speakon connectors
XLR cable
Duratex
YouTube and Google.

Friends that have helped and answered my silly questions: @bscool @Rowan611 @eng-399

Bought x2 4' X 8' MDF from Home Depot and had them cut it. They cut it surprisingly well!









There are a few minor imperfections that we will seal up. Not too bad.




Dry fitter the port supports and walls to insure they will work.




Sealant





Port bottom and back






Baffle work








Bracing work
2" x 2" wood for bracing






Bracing install








Prepping the nut holes on the front baffle. There was concern with how little space there was between the inner opening and the nut holes, so we slightly angled the nut holes outward so that the T-Nuts would have enough space to work appropriately. Also took a 1" bit on the back side and angled it in appropriately so that the T-Nut housing would have a true 100% bite into the wood:







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Last edited by Oklahomie; 09-04-2017 at 08:01 PM.
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post #2 of 23 Old 09-02-2017, 08:40 AM - Thread Starter
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MiniMarty Build Adventure

Front-to-back bracing and foam:








Measured the front to back bracing so that it would perfectly make snug contact with the front baffle when we placed it in. Fit like a glove.







Speakon Hole:


Sanding. Didn't go too crazy with the sanding; just smoothed the corners out and made the surface softer.





Paint Time!










Installed the driver:




Speakon post setup:















Fully Assembled!!



Created Speakon Wire:


INUKE limiter settings:


iNUKE sitting on the beast:


Videos and more content to come.


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Last edited by Oklahomie; 09-04-2017 at 07:57 PM.
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post #3 of 23 Old 09-02-2017, 08:41 AM - Thread Starter
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post #4 of 23 Old 09-02-2017, 12:14 PM - Thread Starter
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post #5 of 23 Old 09-02-2017, 12:43 PM
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post #6 of 23 Old 09-02-2017, 01:01 PM
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you should paint the ports black before glueing them, because then its a pain.

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post #7 of 23 Old 09-02-2017, 01:13 PM - Thread Starter
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I didn't paint the ports... missed your comment. We will see how that goes.


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post #8 of 23 Old 09-02-2017, 03:49 PM - Thread Starter
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Front baffle is complete. Taking a break and will start on the bracing soon. Still need to cut out the speakon post on the back.

Man this is hard work!


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post #9 of 23 Old 09-02-2017, 08:43 PM
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Looks good so far! You'll be making noise in no time.

Optoma HD37 on 138" DIY AT Screen
Infinity Beta 40s, Infinity Beta C250, Atlantic Technologies 224 SR
BIC H100 (DIY in the works)
Old Pioneer VSX-521
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post #10 of 23 Old 09-03-2017, 08:38 AM
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Mini Marty Build Fun

FYI. Great job on you build
I've made countless sub and speaker boxes with mdf. Some of the sub's being as much as 250lbs and I never used nails, just glue and time to dry. With mdf and glue. It is actually stronger than the MDF itself where it's glued at Just my input. Because on most of the boxes I would end up painting them and I did not like filling in the nail holes . Just added more to my sanding time. I would paint them just as I would paint a car. 6 coats of primer and four coats of paint and four coats of clear coat or go with the wood veneer and then nails are no big deal.


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post #11 of 23 Old 09-03-2017, 10:20 AM - Thread Starter
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I am learning how strong the glue points are in relation to the MDF itself.


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post #12 of 23 Old 09-03-2017, 02:13 PM
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I am in the process of building a minimarty as well and have a question on how you cut the double front baffle. Can't figure out if I'm to cut a wider notch out for the ring of the sub to recess into and then add backing or can I just leave the recess off?

I don't care about about the look as it is downfiring.
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post #13 of 23 Old 09-03-2017, 03:41 PM - Thread Starter
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Quote:
Originally Posted by Guyontheroad View Post
I am in the process of building a minimarty as well and have a question on how you cut the double front baffle. Can't figure out if I'm to cut a wider notch out for the ring of the sub to recess into and then add backing or can I just leave the recess off?



I don't care about about the look as it is downfiring.


If you don't care about looks, I say you Leave it flush and not recess your double baffle. I added a 1/4" MDF to make the driver look flush.


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post #14 of 23 Old 09-03-2017, 06:10 PM - Thread Starter
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OK it's all together. Tomorrow I will paint the duritex, install the driver and speakon post, and will be pissing the neighbors off soon enough!


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post #15 of 23 Old 09-04-2017, 04:04 PM
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Looks really good man!!

Sorry, I've been away on vacation. Coming together nicely.
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post #16 of 23 Old 09-04-2017, 08:11 PM - Thread Starter
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Build is complete! What a fun project it has been. I've learned a lot, and have taken notes so that my next build is more efficient and even better. This box is a tank; I'm guessing it weighs 130 pounds? I'll try to weigh it just for fun.

I have the Sub limited to 600 watts, and it POUNDS. I can't wait to have my future house built, and HT packed with half a dozen of these

Never buying a speaker again. I have the sickness.


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post #17 of 23 Old 09-05-2017, 12:16 PM
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Quote:
Originally Posted by Oklahomie View Post
Build is complete! What a fun project it has been. I've learned a lot, and have taken notes so that my next build is more efficient and even better. This box is a tank; I'm guessing it weighs 130 pounds? I'll try to weigh it just for fun.

I have the Sub limited to 600 watts, and it POUNDS. I can't wait to have my future house built, and HT packed with half a dozen of these

Never buying a speaker again. I have the sickness.


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Its CONTAGIOUS... I made the BAD decision to join the AVS forum.. I don't recommend it. lol It's a rabbit hole. Welcome to the Club.. I have 2 Mini and 2 Full while still may upgrade later.. LMAO
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If you KRANK it.. They will Listen..
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post #18 of 23 Old 09-05-2017, 07:16 PM
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Quote:
Originally Posted by Oklahomie View Post
Build is complete! What a fun project it has been. I've learned a lot, and have taken notes so that my next build is more efficient and even better. This box is a tank; I'm guessing it weighs 130 pounds? I'll try to weigh it just for fun.

I have the Sub limited to 600 watts, and it POUNDS. I can't wait to have my future house built, and HT packed with half a dozen of these

Never buying a speaker again. I have the sickness.


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It only takes one; just like you, once I finished my THT, I knew I'd never buy another speaker. That said, I did buy two cheap MBMs...lol. Congrats in getting it done. Enjoy building everything else. Feel free to hit me up with any questions.

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post #19 of 23 Old 09-10-2017, 10:08 AM - Thread Starter
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Update: I've been playing a lot of different content with this, and I'm blown away with its performance. I've ran it through several tone sweeps, played a lot of EDM, some rap, and have played intense bass scenes that I've snagged from that heavy bass scene thread. I really like the "Irene" scene off Blackhawk down. You really get to see, feel, and hear the bass as the scene plays through.

My iNUKE limiter setting is 70Vp @ 4ohm, which is sending the driver 600 watts. I have the HPF at 20Hz and LPF set to 120Hz. The iNUKE defaulted to 200Hz, but I adjusted it down.

I am using an old Sony AVR with the bass gain set to 0. I've maxed the AVR out and the input/output meters while testing have only barely hit the "12" on the scale. That is with the gain knob at the 3 o'clock position on the front of the iNUKE.

I feel like this driver can handle more than what I'm currently giving it; however, it sounds good as it is.

When I run the tone sweep, it's interesting how the different Hz levels interact with the house from an acoustical and mechanical vibe standpoint.


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post #20 of 23 Old 09-12-2017, 11:43 AM
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build looks solid!

Listen. It's All Good.
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post #21 of 23 Old 09-13-2017, 08:27 AM - Thread Starter
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Quote:
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build looks solid!


Thank you! I need to plan my next build - especially now that I have an iNUKE6000 with a lot of headroom to spare.


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post #22 of 23 Old 09-13-2017, 10:05 AM
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Great build, and I'm glad you're happy with the results! I have one question though... what is that blue foam you used internally? It looks like it might be closed cell foam, which will mostly just take up space, which isn't technically idea. In the end, as long as it sounds good, you're far, FAR ahead of what you could have bought from a store for your money. Well done.
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post #23 of 23 Old 09-13-2017, 11:58 AM - Thread Starter
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I think that is what it was... I didn't fully know if that was going to serve the intended purpose or not. I didn't order enough acoustical foam, so I made a quick trip to wal Mart and snagged that blue stuff... but yes, I am still happy with how it turned out. I know how much of the foam I need for next go around


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