Custom PSI Audio Platform 3 18s – Another Eng-399 Build - Page 3 - AVS Forum | Home Theater Discussions And Reviews
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post #61 of 204 Old 03-16-2018, 05:17 PM
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In for more build pics.
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post #62 of 204 Old 03-16-2018, 05:46 PM
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Custom PSI Audio Platform 3 18s – Another Eng-399 Build

Quote:
Originally Posted by Craig S King View Post
In for more build pics.


Craig the 1inch mdf is cool to see in person but wonder how much the sheet weighs? It has to be around 130+ lbs a sheet if I had a 24” sub I would definitely use it to build the box what’s another 20-30 pounds right.

I was going to start the build today but this week has been really long at work after picking up some overtime so tomorrow morning I’m going to start gluing and getting all the panels ready for the build. I still need to cut the slot port braces down since I didn’t have them cut those. I basically wanted all the main pieces cut so I can get the wood home. I drive a hatch back car so having them cut the wood basically cost the same as me renting a truck like I normally do and hauling 4/8 sheets home. So it’s a no brainer for me. Sam Ash music shop is right down the street from the lumber place so I get to stop in there and mess around on some guitars. Tomorrow I’ll start showing what I’m doing I have a process and will post a lot of pictures.
Jc’s room will be complete once these are done I’m very excited for him!
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post #63 of 204 Old 03-16-2018, 05:48 PM
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post #64 of 204 Old 03-16-2018, 06:32 PM
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Oh and tomorrow I’ll take a picture of the of JC’s 100ft + burn out in front of my house lol I love his car!
What???? What car?? Whatchutalkinbout?
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post #65 of 204 Old 03-16-2018, 07:22 PM
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post #66 of 204 Old 03-16-2018, 07:27 PM - Thread Starter
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@JCJetta what’s your ride again.
Just a MKV GTI with a boatload of mods. Another expensive hobby.

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post #67 of 204 Old 03-16-2018, 07:29 PM
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Just a MKV GTI with a boatload of mods. Another expensive hobby.

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It’s like a little rocket ship Pete had a VW for years to. There fun cars, I can’t wait to save up enough to get a fox body.
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post #68 of 204 Old 03-17-2018, 10:12 AM
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Eng making me tired all over again lol


Wish there was a wood store like that here 👍
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post #69 of 204 Old 03-17-2018, 07:13 PM
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Quote:
Originally Posted by eng-399 View Post
It’s like a little rocket ship Pete had a VW for years to. There fun cars, I can’t wait to save up enough to get a fox body.
I had a 92 Corrado SLC vr6 for 20 years. Was s survivor with. Wish I'd never sold it. I hear it's been restored and is a fixture at a vw dealership somewhere in NJ.
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post #70 of 204 Old 03-17-2018, 07:44 PM
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Quote:
Originally Posted by eng-399 View Post
Craig the 1inch mdf is cool to see in person but wonder how much the sheet weighs? It has to be around 130+ lbs a sheet if I had a 24” sub I would definitely use it to build the box what’s another 20-30 pounds right.

I was going to start the build today but this week has been really long at work after picking up some overtime so tomorrow morning I’m going to start gluing and getting all the panels ready for the build. I still need to cut the slot port braces down since I didn’t have them cut those. I basically wanted all the main pieces cut so I can get the wood home. I drive a hatch back car so having them cut the wood basically cost the same as me renting a truck like I normally do and hauling 4/8 sheets home. So it’s a no brainer for me. Sam Ash music shop is right down the street from the lumber place so I get to stop in there and mess around on some guitars. Tomorrow I’ll start showing what I’m doing I have a process and will post a lot of pictures.
Jc’s room will be complete once these are done I’m very excited for him!
How will you keep the BB from warping? I know once it's cut it tends to warp a lot easier. I only ask because I'm getting ready to start my builds with BB and I'm trying to decide if I cut all the panels or as I need them.

I was planning on using tires to keep my sheets from warping on me. Plus, building jigs to help in any panel does warp.

Yet another build I'm looking forward too.

Oh, one more question. When you spray, how far are you away from the sub? Do you use sprayer grade Duratex? I guess that's two questions. Lol.

Typed on a tiny keyboard, excuse any typos

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post #71 of 204 Old 03-17-2018, 07:54 PM
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Quote:
Originally Posted by Rowan611 View Post
How will you keep the BB from warping? I know once it's cut it tends to warp a lot easier. I only ask because I'm getting ready to start my builds with BB and I'm trying to decide if I cut all the panels or as I need them.

I was planning on using tires to keep my sheets from warping on me. Plus, building jigs to help in any panel does warp.

Yet another build I'm looking forward too.

Oh, one more question. When you spray, how far are you away from the sub? Do you use sprayer grade Duratex? I guess that's two questions. Lol.

Typed on a tiny keyboard, excuse any typos


I didn’t know it warp that fast I better get cracking then! I had a lot planned out today for this but ended up having to do other things. I started with all the round overs on the panels and tomorrow I’m all setup to cut all the window bracing. I don’t think the box is going to warp once I get the bracing glued in place since it’s every 8-10 inches.
I’m starting out getting all the little things done first so assemble goes fast.
1. Round overs
2. Window Bracing all cut and round overs finished
3. Driver baffle cutout and glued to the second baffle.
Once these are done everything else will go fast.

As for duratex I use the spray grade from parts express and use my cheap 100$ Wagner spray gun. I don’t add any water to and the gun sprays fine. I do prime the box first which I think helps the duratex go farther. When I spray I’m about 12-16 inches from the box and very careful not get any runs on the box that’s why I spray 2-3 coats on.
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post #72 of 204 Old 03-17-2018, 07:59 PM
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Quote:
Originally Posted by eng-399 View Post
I didn’t know it warp that fast I better get cracking then! I had a lot planned out today for this but ended up having to do other things. I started with all the round overs on the panels and tomorrow I’m all setup to cut all the window bracing. I don’t think the box is going to warp once I get the bracing glued in place since it’s every 8-10 inches.
I’m starting out getting all the little things done first so assemble goes fast.
1. Round overs
2. Window Bracing all cut and round overs finished
3. Driver baffle cutout and glued to the second baffle.
Once these are done everything else will go fast.

As for duratex I use the spray grade from parts express and use my cheap 100$ Wagner spray gun. I don’t add any water to and the gun sprays fine. I do prime the box first which I think helps the duratex go farther. When I spray I’m about 12-16 inches from the box and very careful not get any runs on the box that’s why I spray 2-3 coats on.
I don't know how fast it will warp. I just know it will eventually warp. Once you start building them, it won't.

Ok, I've already bought 2 gallons roller grade. But, I did spray that with my 1299s with no problem. I guess I could look at exchanging it. I also bought it from PE.

Yeah, I use my Wagner also. I think I'm going to take a little more time getting the spray patter right this time around.

Typed on a tiny keyboard, excuse any typos

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post #73 of 204 Old 03-17-2018, 08:03 PM
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Originally Posted by Rowan611 View Post
I don't know how fast it will warp. I just know it will eventually warp. Once you start building them, it won't.

Ok, I've already bought 2 gallons roller grade. But, I did spray that with my 1299s with no problem. I guess I could look at exchanging it. I also bought it from PE.

Yeah, I use my Wagner also. I think I'm going to take a little more time getting the spray patter right this time around.

Typed on a tiny keyboard, excuse any typos


I used the roller grade duratex at first because that’s what I had and just added a little water to it when I sprayed and it worked fine. I added 1/2 cup of water to the container that the spray gun comes with. I would use it up unless you can get a good deal on shipping it back to PE
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post #74 of 204 Old 03-17-2018, 08:05 PM
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Originally Posted by eng-399 View Post
I used the roller grade duratex at first because that’s what I had and just added a little water to it when I sprayed and it worked fine. I added 1/2 cup of water to the container that the spray gun comes with. I would use it up unless you can get a good deal on shipping it back to PE
I'll give that a shot. Think of name for the build yet?

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post #75 of 204 Old 03-17-2018, 08:21 PM
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warping of ply is primarily why everything I build now is MDF
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post #76 of 204 Old 03-17-2018, 08:27 PM
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post #77 of 204 Old 03-17-2018, 09:56 PM
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I'll give that a shot. Think of name for the build yet?

Typed on a tiny keyboard, excuse any typos
Spray grade duratex is just roller grade duratex with 15% water in it.
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Blasting brown notes for 20 years and counting!
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post #78 of 204 Old 03-18-2018, 06:02 AM
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No I haven’t thought of a name yet I’m hoping JC comes up with it. Have any ideas
If you're hoping JC comes up with a name, than so am I.

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post #79 of 204 Old 03-18-2018, 06:03 AM
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Spray grade duratex is just roller grade duratex with 15% water in it.
Ah ok. So, just adding a little water is all I need to do. Good to know. Thanks!

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post #80 of 204 Old 03-18-2018, 02:28 PM
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Custom PSI Audio Platform 3 18s – Another Eng-399 Build

Here’s how I built the window bracing. There’s a story to this to... so in this episode of building the bracing look what happen🤮


Everything looks good so far right guys using scrap wood to outline the brace right. But look at the middle divider I forgot to put a brad nail on the top and bottom and only used one what jabroni I am.

I started routed the the piece and all of a sudden.

Now I’m thinking crap I have no extra scrap wood to fit for bracing what will I be able to pull off🧐🧐 or am I screwed... what’s JC going to say when he’s reads this? Will he get Sophie his angry attack dog out on me


To be continued part 2 of the bracing
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Last edited by eng-399; 03-18-2018 at 02:58 PM.
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post #81 of 204 Old 03-18-2018, 04:22 PM
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Originally Posted by eng-399 View Post
Here’s how I built the window bracing. There’s a story to this to... so in this episode of building the bracing look what happen🤮


Everything looks good so far right guys using scrap wood to outline the brace right. But look at the middle divider I forgot to put a brad nail on the top and bottom and only used one what jabroni I am.

I started routed the the piece and all of a sudden.

Now I’m thinking crap I have no extra scrap wood to fit for bracing what will I be able to pull off🧐🧐 or am I screwed... what’s JC going to say when he’s reads this? Will he get Sophie his angry attack dog out on me


To be continued part 2 of the bracing


So what happened? Did it break at the collet?


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post #82 of 204 Old 03-18-2018, 04:46 PM - Thread Starter
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Sophie is gnashing her teeth at the very sight of this! All 10 pounds of fluff, and she's thinking "how could eng-399 do this to Daddy's awesome speaker enclosures?"

Hopefully this gets resolved with the quickness! What if Rafa's mom finds out?
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post #83 of 204 Old 03-18-2018, 06:10 PM
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Custom PSI Audio Platform 3 18s – Another Eng-399 Build

@Trimlock when the madness happened I just installed my new flush trim bit and all of sudden the brand new bit bearing on it unscrewed and started wobbling all over the place! I immediately turned my router off before any fingers or arms got flush trimmed off!! There goes 22$ for a new bit

Episode 2 of the window bracing🤠

Jc this happened right after raffas mom left. So the new flush trim bit bearing unscrewed and all hell broke lose in the Baltic birch brace but luckily I was able to save the brace and just cut off the middle divider that took the most trama to the brace! So thankfully I don’t have to buy any more wood at 64$$$$$$$$ a sheet.

Dry fitting


7eb0.jpg[/IMG]

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

Last edited by eng-399; 03-18-2018 at 06:14 PM.
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post #84 of 204 Old 03-18-2018, 06:43 PM
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Aww that really stinks, I’ve had bearings go bad on me before. For sure a #2 moment.


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post #85 of 204 Old 03-20-2018, 08:04 AM - Thread Starter
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I am Baffled at how quickly this build is progressing. Keep in mind Mike works crazy long hours, has a commute that is easily worse than mine, and has 2 children.

He will post more glued pictures later, but work is progressing nicely!

Meanwhile I gotta bring one of the drivers over to verify the drill holes. Free time unfortunately is my rarest commodity.

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post #86 of 204 Old 03-20-2018, 03:27 PM
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Quote:
Originally Posted by eng-399 View Post
Yikes!!!! 384.30$ for 6 sheets of Baltic Birch plus tax....
here's the cuts for this guys I just down loaded this cut list program right now off the web. The port rail is missing because the free program won't go over 5 cuts I guess you have to pay for it to have more options oh well... close enough for me
Try MaxCut v2. its great and free.
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post #87 of 204 Old 03-20-2018, 04:29 PM
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I’ll try that out thanks Javs!
Here is another free one, I loaded your cutlist fine.
Attached Files
File Type: zip CUTLIST.zip (896.1 KB, 18 views)
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post #89 of 204 Old 03-20-2018, 05:48 PM
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Here is another free one, I loaded your cutlist fine.


Thanks I’ll try that out.
Who doesn’t like free cutlist programs
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post #90 of 204 Old 03-20-2018, 06:06 PM
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Here is another free one, I loaded your cutlist fine.
This is the one i use, it is pretty nice.
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