Mini Marty - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 23 Old 03-30-2020, 08:32 AM - Thread Starter
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Mini Marty

I was all set to just build a mini Marty at the measurements in the original FAQ starting this morning since Im off work this week.... Damn COVID... any way I went an remeasured my room and screen distance and thought I better ask the experts their thoughts. I made a sketchUp or my room (with no skill at this) will post that.. My room is above the garage and is a vaulted attic so slanted walls as shown.. My screen is hung on the long wall hanging form one of the angled walls and is hanging 25" from the back wall ( closer as the wall goes up and angles in)

I was going to build a pretty "stock" mini Marty and park it behind the screen with ports under the screen but the speaker may be behind the speaker. I also attached my planned cutout list. I have been getting help on the main Marty FAQ thread but thought I would start my own build.. This will be a quick and dirty build cause of time constraints

Thanks
Jason
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post #2 of 23 Old 03-30-2020, 09:47 AM
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I’ll link this over here as well. Model of proposed box and driver:

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Originally Posted by a77cj7 View Post
Modeled it in HR. Looks good.
UM18 on 1000w
18hz 2nd order HPF
Tune: 18.9hz
Cone excursion: 19mm
Port velocity: 17m/s


On 1000w, you can take the hpf down to 15hz without excursion or velocity going excessive.

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post #3 of 23 Old 03-31-2020, 08:01 PM - Thread Starter
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So i jumped in head first. I know just another build, but it is fun for me so why not post it. I’m lucky to have a Father in Law with wood working knowledge and a sweet shop and willing to teach. This MDF mini Marty is standing with no glue and no clamps just held together with the Festool dominos. What a sweet system. We decided to in set the port rails 1/4 in. Into the bottom and back Lee should be able to finish fitting and building the port and then just slide it in with glue. Excited to continue the journey

J
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post #4 of 23 Old 04-01-2020, 06:54 AM
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Quote:
Originally Posted by jbrody View Post
So i jumped in head first. I know just another build, but it is fun for me so why not post it. I’m lucky to have a Father in Law with wood working knowledge and a sweet shop and willing to teach. This MDF mini Marty is standing with no glue and no clamps just held together with the Festool dominos. What a sweet system. We decided to in set the port rails 1/4 in. Into the bottom and back Lee should be able to finish fitting and building the port and then just slide it in with glue. Excited to continue the journey

J
Awesome! What driver will you be using?

Automation: Alexa- Harmony Hub- Wemo Dimmer Switch- Wemo Smart Plug BatCave: SY Triple Black
Video Image: JVC RS500- Sony UBP-800X- Chromecast- 125" wide 16x9 white over black spandex screen
Audio: 5.2.4 Marantz SR7011- (LCR) QSC 2180 - (Surrounds) (4) BIC FH6-LCR- (Atmos) (4) Dayton Audio B652 6-1/2-Inch- (Subs)2 23ishcuft ported HS24s 14-15Hz tune - 2 Devastator Minis B&C21ds115 - 4 PA460 in ported cabs 40Hz tune- FP20000Q- 2 Sanway FP10000Q- Crown XLS1500- . To be continued...
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post #5 of 23 Old 04-01-2020, 07:00 AM
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Quote:
Originally Posted by jbrody View Post
So i jumped in head first. I know just another build, but it is fun for me so why not post it. I’m lucky to have a Father in Law with wood working knowledge and a sweet shop and willing to teach. This MDF mini Marty is standing with no glue and no clamps just held together with the Festool dominos. What a sweet system. We decided to in set the port rails 1/4 in. Into the bottom and back Lee should be able to finish fitting and building the port and then just slide it in with glue. Excited to continue the journey

J

Always happy to see another build. Keep posting pics!

Chris
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post #6 of 23 Old 04-03-2020, 11:27 AM
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Quote:
Originally Posted by jbrody View Post
So i jumped in head first. I know just another build, but it is fun for me so why not post it. I’m lucky to have a Father in Law with wood working knowledge and a sweet shop and willing to teach. This MDF mini Marty is standing with no glue and no clamps just held together with the Festool dominos. What a sweet system. We decided to in set the port rails 1/4 in. Into the bottom and back Lee should be able to finish fitting and building the port and then just slide it in with glue. Excited to continue the journey

J
You made the port rails taller, so the port height is still 3" with the 1/4" dado, right? Don't forget to paint the inside of the ports black while you can still get to them.

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post #7 of 23 Old 04-03-2020, 12:00 PM - Thread Starter
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Absolutely 3.25 inch rails. I’m actually shopping for paint today. Plan on spraying with primer to seal then do a black color for final. Glued up the port and now able to slid it in and out while fitting up bracing. Then on to prime and glue up and final paint. Excited. I opened the Ultimax 18 last night and hard to imagine its size until you struggle it out of the box haha.

A few more pics attached
Quote:
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Quote:
Originally Posted by jbrody View Post
So i jumped in head first. I know just another build, but it is fun for me so why not post it. I’️m lucky to have a Father in Law with wood working knowledge and a sweet shop and willing to teach. This MDF mini Marty is standing with no glue and no clamps just held together with the Festool dominos. What a sweet system. We decided to in set the port rails 1/4 in. Into the bottom and back Lee should be able to finish fitting and building the port and then just slide it in with glue. Excited to continue the journey

J
You made the port rails taller, so the port height is still 3" with the 1/4" dado, right? Don't forget to paint the inside of the ports black while you can still get to them.
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post #8 of 23 Old 04-03-2020, 02:29 PM
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It's coming along nicely

Automation: Alexa- Harmony Hub- Wemo Dimmer Switch- Wemo Smart Plug BatCave: SY Triple Black
Video Image: JVC RS500- Sony UBP-800X- Chromecast- 125" wide 16x9 white over black spandex screen
Audio: 5.2.4 Marantz SR7011- (LCR) QSC 2180 - (Surrounds) (4) BIC FH6-LCR- (Atmos) (4) Dayton Audio B652 6-1/2-Inch- (Subs)2 23ishcuft ported HS24s 14-15Hz tune - 2 Devastator Minis B&C21ds115 - 4 PA460 in ported cabs 40Hz tune- FP20000Q- 2 Sanway FP10000Q- Crown XLS1500- . To be continued...
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post #9 of 23 Old 04-21-2020, 09:29 AM - Thread Starter
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Well. Got some more work done. Box is glued up bracing is in baffled are cut and fit. Getting ready to Install the liner and start finish sanding and paint. I appreciate the help everyone has given.

I have 3 1299 kits showing up this week so i guess I’m all in to the rabbit hole

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It's coming along nicely[IMG class=inlineimg]/forum/images/smilies/smile.gif[/IMG]
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post #10 of 23 Old 04-21-2020, 09:32 AM
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Looking good

Automation: Alexa- Harmony Hub- Wemo Dimmer Switch- Wemo Smart Plug BatCave: SY Triple Black
Video Image: JVC RS500- Sony UBP-800X- Chromecast- 125" wide 16x9 white over black spandex screen
Audio: 5.2.4 Marantz SR7011- (LCR) QSC 2180 - (Surrounds) (4) BIC FH6-LCR- (Atmos) (4) Dayton Audio B652 6-1/2-Inch- (Subs)2 23ishcuft ported HS24s 14-15Hz tune - 2 Devastator Minis B&C21ds115 - 4 PA460 in ported cabs 40Hz tune- FP20000Q- 2 Sanway FP10000Q- Crown XLS1500- . To be continued...
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post #11 of 23 Old 04-21-2020, 10:27 PM
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Quote:
Originally Posted by jbrody View Post
Well. Got some more work done. Box is glued up bracing is in baffled are cut and fit. Getting ready to Install the liner and start finish sanding and paint. I appreciate the help everyone has given.










I have 3 1299 kits showing up this week so i guess I’m all in to the rabbit hole
Nice work! I think that's the first time I've seen anyone use the place holder bracing from the spreadsheet. Kreg screws, no less.

Take your time on the 1299s, and make them gorgeous. I'm looking forward to what you come up with.

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post #12 of 23 Old 04-22-2020, 08:44 AM - Thread Starter
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Quote:
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Nice work! I think that's the first time I've seen anyone use the place holder bracing from the spreadsheet. Kreg screws, no less.

Take your time on the 1299s, and make them gorgeous. I'm looking forward to what you come up with.
Thanks haha, does the bracing look ok? I glued and kregjig at each end and glued and stapled at each joint. I had planed on doing window bracing but I had a few braces I used for place holders and then I just thought why not do it that way......

Also when placing the insulation/padding (I bought a pad from walmart to cut up?) do you/would you wrap the bracing or just put it on the wall avoiding to close to the port opening?

Thanks
J
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post #13 of 23 Old 04-22-2020, 09:35 AM
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With ported, you shouldn't need any lining, but I don't think it will hurt. When lined, most people just put it on the inside walls, avoiding the port area by the width of the port or more.

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post #14 of 23 Old 04-22-2020, 10:53 AM
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Quote:
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Also when placing the insulation/padding (I bought a pad from walmart to cut up?) do you/would you wrap the bracing or just put it on the wall avoiding to close to the port opening?
One thing I would have changed on my speakers is I would have padded the braces where they come in contact with the speaker wire. I had some speakers make a buzzing noise and I figured out it was the cable and bracing vibrating against each other.

Rumble & Frenzy - My Mini-Marty Build
Screaming Eagles - My Fusion-15 Sentinel Build
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post #15 of 23 Old 04-22-2020, 11:04 AM
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One thing I would have changed on my speakers is I would have padded the braces where they come in contact with the speaker wire. I had some speakers make a buzzing noise and I figured out it was the cable and bracing vibrating against each other.

Foam pipe insulation around the speaker wire works well to prevent this.


Chris
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post #16 of 23 Old 04-22-2020, 11:13 AM
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Quote:
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Foam pipe insulation around the speaker wire works well to prevent this.
Yeah, I just saw that in another thread and thought that was pretty slick.

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post #17 of 23 Old 04-22-2020, 12:47 PM - Thread Starter
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Quote:
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Foam pipe insulation around the speaker wire works well to prevent this.


Chris
Ah nice suggestion thanks
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post #18 of 23 Old 04-22-2020, 01:09 PM
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Ok... hold the phone .. !! where is THIS shop?! I see so many clamps, table saw, toolbox, drill press, and router.. not much you can't do in that place !! very nice...



We are expecting to see great things on those 1299's as well
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post #19 of 23 Old 04-22-2020, 08:43 PM - Thread Starter
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Ok... hold the phone .. !! where is THIS shop?! I see so many clamps, table saw, toolbox, drill press, and router.. not much you can't do in that place !! very nice...

We are expecting to see great things on those 1299's as well [IMG class=inlineimg]/forum/images/smilies/wink.gif[/IMG]
Haha ya I married into an awesome father in law with a shop that he chose that happened to come with a house for his wife to live in. Then he continuously keeps filling it with more and more sweet tools. It’s a lot of fun but why wife doesn’t understand why i want to spend so much time with her dad haha
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post #20 of 23 Old 04-25-2020, 07:49 AM - Thread Starter
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Getting closer. Final glue up and got some wall liner put in. Just need to do some final sanding and paint. Click image for larger version

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post #21 of 23 Old 04-28-2020, 09:15 PM - Thread Starter
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routing bondo and sand paper. Soon on to duratex. Thinking about the leather technique that parts express has instructions on? Any thoughts on this?Click image for larger version

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post #22 of 23 Old 05-11-2020, 08:14 PM - Thread Starter
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Got it painted and wired up. Now to learn how to use REW. Thanks everyone with the help so far


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post #23 of 23 Old 05-11-2020, 08:31 PM - Thread Starter
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It’s size is impressive once you get it into the theater


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