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12" IB install (plenty of pics)

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Old Jun 7, 2009 | 11:24 AM
  #81  
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Originally Posted by eng92
Both of those pictures show the baffle board which is one piece. I routered out the portions where the back seat and c-pillar trim pieces contact. The original rear deck piece is only 1/8-3/16" masonite so I had to thin the baffle board down for those pieces to fit properly.
I don't fully understand.. Do you mean you shaved down the one piece of 3/4 baffle board in certain areas? I guess I'll see what you mean when I start mine. I had to order some more deadener to redo the trunk , Dynamat original is horrible. Ordered some Cascade vbmax from Don. I hoping by the end of this month I'll be all done with mine.

That ring painted gray with the grill cloth was done just a few days ago. It is for the new mids in my front stage. That will be the topic for another thread
Oh I see more to come heh?
Old Jun 8, 2009 | 02:57 PM
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Here is a view of the backside.



Cloth is attached with spray adhesive

Grill is attached to rear deck with eight of these:
http://www.speakerworks.com/large_gr..._p/gtlarge.htm

Final result looks somewhat OEM
[/QUOTE]
Eng Do you have some type of foam padding on the underside of the grill cover? The gray area underside looks like a combo of gray paint and foam padding. The baffle board.. you said you thinned out some areas where the C pillars and trim pieces contact. Did you use a router to thin it out or jigsaw? It also looks like the grill cover have curved ends around the perimeter Im guessing router again to make those curves?
Old Jun 8, 2009 | 06:33 PM
  #83  
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nice work bro how does it sound
Old Jun 8, 2009 | 09:38 PM
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wow that grille really matches your interior. I'm also interested to know how it sounds.
Old Jun 9, 2009 | 05:31 AM
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Originally Posted by maxprivate
Eng Do you have some type of foam padding on the underside of the grill cover? The gray area underside looks like a combo of gray paint and foam padding.
Just plywood and grill cloth.

Originally Posted by maxprivate
The baffle board.. you said you thinned out some areas where the C pillars and trim pieces contact. Did you use a router to thin it out or jigsaw? It also looks like the grill cover have curved ends around the perimeter Im guessing router again to make those curves?
Hole and outer profile were cut with a jigsaw. All the edge contouring was done with a combination of router, belt and palm sanders.
Old Jun 9, 2009 | 05:39 AM
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Originally Posted by meccanoble
wow that grille really matches your interior. I'm also interested to know how it sounds.
The sound is perfect for the type of listening I do. (ie. no "bass heavy" music)

The definition is very good since you are not listening to it "through the trunk"

I will definitely do it again in the next vehicle I own.
Old Jun 9, 2009 | 07:06 AM
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Originally Posted by eng92
The sound is perfect for the type of listening I do. (ie. no "bass heavy" music)

The definition is very good since you are not listening to it "through the trunk"

I will definitely do it again in the next vehicle I own.
nice, I'm sure the SQ is strong with this setup. You also mentioned before that you can feel the bass through the seats. You still feel this way? Not expecting trunk and rear license plate to go crazy but would be happy to know that you feel the bass, maybe even see rear view mirror shake a lil bit? I need to hear an IB setup in person
Old Jun 9, 2009 | 07:35 AM
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Originally Posted by meccanoble
nice, I'm sure the SQ is strong with this setup. You also mentioned before that you can feel the bass through the seats. You still feel this way? Not expecting trunk and rear license plate to go crazy but would be happy to know that you feel the bass, maybe even see rear view mirror shake a lil bit? I need to hear an IB setup in person
Oh you can definitely feel the bass when you turn it up. The seats and rear view do vibrate.

I had my 75 yo mother in the car a few months ago and I introduced her to the start of Pink Floyd - "Welcome to the Machine" at a fairly elevated volume. The look on her face was priceless. She didn't know what was going on.

My three young kids think it is awesome. They much rather ride in Daddy's car than Mummy's van.
Old Jun 9, 2009 | 07:36 AM
  #89  
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Originally Posted by meccanoble
nice, I'm sure the SQ is strong with this setup. You also mentioned before that you can feel the bass through the seats. You still feel this way? Not expecting trunk and rear license plate to go crazy but would be happy to know that you feel the bass, maybe even see rear view mirror shake a lil bit? I need to hear an IB setup in person
Mec , Im going to have a similar setup but still passive though. Hopefully I'll be done with mine by the end of the month and we can meet up so you can hear mine.
Old Jun 9, 2009 | 07:38 AM
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Originally Posted by maxprivate
Mec , Im going to have a similar setup but still passive though. Hopefully I'll be done with mine by the end of the month and we can meet up so you can hear mine.

What sub did you go with?
Old Jun 9, 2009 | 08:18 AM
  #91  
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Originally Posted by eng92
What sub did you go with?
Your other post was funny lol..
I went with the Esotar 1200 , I want to do this only once. I know performance in an IB setup will not be as good as in a sealed enclosure but Im sure I'll be happy with it.

Last edited by maxprivate; Jun 9, 2009 at 08:25 AM.
Old Jun 9, 2009 | 09:01 AM
  #92  
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Originally Posted by maxprivate
I went with the Esotar 1200 , I want to do this only once. I know performance in an IB setup will not be as good as in a sealed enclosure but Im sure I'll be happy with it.
That sub has a pretty large diameter bottom end on it. Have you test fit it yet?
Old Jun 9, 2009 | 09:42 AM
  #93  
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Originally Posted by eng92
That sub has a pretty large diameter bottom end on it. Have you test fit it yet?
Demensions are pretty close to the Alumpro. I believe esotar is slightly longer in depth but not by much. I checked the spec sheets so it should fit ( hope it does).

I haven't received the sub yet still waiting for deadener to come in so I can pick everything up and finish that first. Then the fun begins. This will be my first time doing anything like this , that's why I have so many questions. And you've been a big help. I really appreciate that.
Old Jun 9, 2009 | 10:09 AM
  #94  
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Originally Posted by maxprivate
Demensions are pretty close to the Alumpro. I believe esotar is slightly longer in depth but not by much. I checked the spec sheets so it should fit ( hope it does).
The dimension of the bottom end are not typically given on the spec drawings. I emailed Alumapro to get that information before I ordered the sub. I made a cardboard template of the subs profile and then lay in the trunk to get the front to back and vertical positioning right.

If you look in this picture, the torsion bars are behind the sub


There is only about 1/2" clearance (horizontally) between the sub and the trunk torsion bars.

Originally Posted by maxprivate
This will be my first time doing anything like this , that's why I have so many questions. And you've been a big help. I really appreciate that.
No problem. Make sure you do plenty of measuring before you start cutting.
Old Jun 9, 2009 | 10:30 AM
  #95  
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Originally Posted by eng92
The dimension of the bottom end are not typically given on the spec drawings. I emailed Alumapro to get that information before I ordered the sub. I made a cardboard template of the subs profile and then lay in the trunk to get the front to back and vertical positioning right.

If you look in this picture, the torsion bars are behind the sub


There is only about 1/2" clearance (horizontally) between the sub and the trunk torsion bars.



No problem. Make sure you do plenty of measuring before you start cutting.
yeah measure twice cut once
Im hoping it won't be a problem. My heart tells me it won't. I could always build up another 1/4 or so if I need to. I already ordered the Sub so I have to make it work.
Old Jun 9, 2009 | 10:57 AM
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^^^^Wow thats a huge amp!!!

Im about to work on my second IB install its fairly easy to do and the rear deck metal is very thin so cutting and drilling is a breeze. After I took the bose sub out I replaced with a DLS OA10 in on a 1/2" baffle board. Sq was very good but the output wasn't enough for me. So now looking for a sub that can take 500w easy and still survive in a IB scenerio Im leaning towards Fi's IB312...
Old Jun 9, 2009 | 11:00 AM
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Me thinks Dave needs an Esotar.
Old Jun 9, 2009 | 11:00 AM
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Originally Posted by Jreed2008
^^^^Wow thats a huge amp!!!

Im about to work on my second IB install its fairly easy to do and the rear deck metal is very thin so cutting and drilling is a breeze. After I took the bose sub out I replaced with a DLS OA10 in on a 1/2" baffle board. Sq was very good but the output wasn't enough for me. So now looking for a sub that can take 500w easy and still survive in a IB scenerio Im leaning towards Fi's IB312...
1/2" ?? Density is key my friend.
Old Jun 9, 2009 | 11:34 AM
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Originally Posted by Pearl96Max
1/2" ?? Density is key my friend.
Sorry that was a guestamation I really don't recall the measurements. But the sub sounded good but 1 wasn't enough and 2 would be a pain to fabricate. So looking for a nice beefy 12 any suggestions??
Old Jun 9, 2009 | 12:18 PM
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Here is the clearance from the trunk bar to the sub with the trunk open.

Old Jun 9, 2009 | 12:23 PM
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Originally Posted by Pearl96Max
Me thinks Dave needs an Esotar.
Me thinks that is too much money for two octaves.

Besides, I already have two Esotars. They are just alot smaller
Old Jun 9, 2009 | 01:20 PM
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Originally Posted by eng92
Here is the clearance from the trunk bar to the sub with the trunk open.

Crap.. The Esotar 1200 is 260 mm in diameter so that's just shy of
10 1/4. Do you recall what the dimensions were for the Alumapro so I can compare? Its probably not going to clear since it looks like the Alumapro is really close to clearing and I think the Esotar is much larger in diameter.
Old Jun 9, 2009 | 01:37 PM
  #103  
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Originally Posted by maxprivate
Crap.. The Esotar 1200 is 260 mm in diameter so that's just shy of
10 1/4. Do you recall what the dimensions were for the Alumapro so I can compare? Its probably not going to clear since it looks like the Alumapro is really close to clearing and I think the Esotar is much larger in diameter.
The 260mm mounting hole diameter is not important. It is the dimension that the basket tapers down to which is key.
Old Jun 9, 2009 | 01:44 PM
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If it does not clear in the configuration that I am using, you can always:

1) Move the sub back and mount it from underneath
2) remove trunk torsion bars and install gas springs
Old Jun 9, 2009 | 01:58 PM
  #105  
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Originally Posted by eng92
If it does not clear in the configuration that I am using, you can always:

1) Move the sub back and mount it from underneath
2) remove trunk torsion bars and install gas springs
http://www.dynaudio.com/eng/pdf/Esotar2_1200.pdf
it seems that 260 mm dimesion stays consistant to the bottom of the sub . If it doesn't clear then The gas springs are the way I would go. Installing it from underneath would have it protrude to far into the trunk and I wouldn't want to worry about someone else ( wifey ) throwing things in the trunk and damaging the sub.
Old Jun 9, 2009 | 02:08 PM
  #106  
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Originally Posted by maxprivate
http://www.dynaudio.com/eng/pdf/Esotar2_1200.pdf
it seems that 260 mm dimesion stays consistant to the bottom of the sub ..
Scaling off that drawing, the diameter is only 170mm once you are 75 mm below the mounting flange. That is a reduction of approximately 3-9/16" in diameter.

I will let you know the diameter of the Alumapro later tonight.
Old Jun 9, 2009 | 03:41 PM
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The Alumapro measures about 150mm at the bottom end so you will be 10 mm larger on the radius with the Esotar. It may just fit.
Old Jun 9, 2009 | 04:29 PM
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The magnet diameter is a hair over 6 7/8"
Old Jun 9, 2009 | 05:00 PM
  #109  
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Originally Posted by eng92
The Alumapro measures about 150mm at the bottom end so you will be 10 mm larger on the radius with the Esotar. It may just fit.
So I should just clear it then.. maybe less than a 1/4" clearance from the torsion bars . Don says the magnet is a lil over 6 7/8 and Im going to be sitting on 3/4 plywood so I think I'll be o.k. Thanks again for your input fellas .
Old Jun 9, 2009 | 11:02 PM
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wow maxprivate, you are getting an esotar 1200?! Thats an awesome and expensive sub. Wish I could afford it. I'm also doing an IB setup and HOPE to have it done before the end of the month. Don I need you

Anyone in jersey with an IB setup mind if I come by to take a listen? eng92, I'm happy to hear your feedback. I'm going to be rolling with an MW190 to save on space and weight. I hope it can produce somewhat similar output to yours. I already know maxprivates 1200 will spit on mine so I cant wait to hear that even if I get mine in first
Old Jun 10, 2009 | 04:08 AM
  #111  
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Originally Posted by meccanoble
wow maxprivate, you are getting an esotar 1200?! Thats an awesome and expensive sub. Wish I could afford it. I'm also doing an IB setup and HOPE to have it done before the end of the month. Don I need you

Yeah I know it expensive but you only live once

Anyone in jersey with an IB setup mind if I come by to take a listen? eng92, I'm happy to hear your feedback. I'm going to be rolling with an MW190 to save on space and weight. I hope it can produce somewhat similar output to yours. I already know maxprivates 1200 will spit on mine so I cant wait to hear that even if I get mine in first
you just may finish before me.. Im a rookie at this. Even if your done first we still have to meet up a take a listen, I want to hear your setup as well.
Old Jun 10, 2009 | 05:27 AM
  #112  
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Originally Posted by maxprivate
If it doesn't clear then The gas springs are the way I would go. Installing it from underneath would have it protrude to far into the trunk and I wouldn't want to worry about someone else ( wifey ) throwing things in the trunk and damaging the sub.
It does not have to hang any lower if you mount it from underneath. If you go with a double thickness baffle board, you can flush it to the bottom surface of the top board (ie. the sheet metal deck and bottom board have holes large enough to clear the mounting flange)
It would only hang down an extra ~5/16" then (flange thickness) It would be even less if you made the bottom board thicker.

Since you would be mounting from underneath, the extra material thickness on top of the rear deck does not matter. You no longer have to worry about clearance to the back window to install the sub.
Old Jun 10, 2009 | 06:09 AM
  #113  
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Originally Posted by eng92
It does not have to hang any lower if you mount it from underneath. If you go with a double thickness baffle board, you can flush it to the bottom surface of the top board (ie. the sheet metal deck and bottom board have holes large enough to clear the mounting flange)
It would only hang down an extra ~5/16" then (flange thickness) It would be even less if you made the bottom board thicker.

Since you would be mounting from underneath, the extra material thickness on top of the rear deck does not matter. You no longer have to worry about clearance to the back window to install the sub.
yeah that makes a lot of sense and is another alternative I can take. What do you mean by double thickeness baffle board?

All I should need is a 3/4 piece of baffle board to mount the Sub on. So If I mount it underneath, all I have to do like you said.. cut the rear deck sheet metal opening large enough to clear the mounting flange so I can screw the sub to the bottom of the baffle board.
Old Jun 10, 2009 | 06:24 AM
  #114  
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Originally Posted by maxprivate
yeah that makes a lot of sense and is another alternative I can take. What do you mean by double thickeness baffle board?

All I should need is a 3/4 piece of baffle board to mount the Sub on. So If I mount it underneath, all I have to do like you said.. cut the rear deck sheet metal opening large enough to clear the mounting flange so I can screw the sub to the bottom of the baffle board.

If you simply mount it to the bottom of the baffle board, you will be a little over an inch (3/4" + flange thickness) lower than if you mounted it from the top side like I did.

The suggestion of a double thickness board would reduce this from ~1" to ~1/4"-5/16",

It all depends on how low you are comfortable with the magnet "hanging" in your trunk.
Old Jun 10, 2009 | 06:40 AM
  #115  
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Originally Posted by eng92
If you simply mount it to the bottom of the baffle board, you will be a little over an inch (3/4" + flange thickness) lower than if you mounted it from the top side like I did.

The suggestion of a double thickness board would reduce this from ~1" to ~1/4"-5/16",

It all depends on how low you are comfortable with the magnet "hanging" in your trunk.
I still don't understand how I would reduce how low the sub hangs using a double thickness board. You mean two pieces of wood? One piece of wood with the hole big enough for the sub to clear the flanges and the other piece on top of that to screw the sub to. Am I right?
Old Jun 10, 2009 | 06:57 AM
  #116  
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Originally Posted by maxprivate
I still don't understand how I would reduce how low the sub hangs using a double thickness board. You mean two pieces of wood? One piece of wood with the hole big enough for the sub to clear the flanges and the other piece on top of that to screw the sub to. Am I right?
That is correct.

The best would be some 1-1/2" thick material and then you could router a step into it for the flange to recess into. However, I would think that material would be hard to get, expensive and you would only use a partial sheet.

You can laminate a couple of sheets of plywood together. Just make sure you lie them on a nice flat surface with lots of weight uniformly distributed until the adhesive is fully cured.
Old Jun 10, 2009 | 07:56 AM
  #117  
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Originally Posted by eng92
That is correct.

The best would be some 1-1/2" thick material and then you could router a step into it for the flange to recess into. However, I would think that material would be hard to get, expensive and you would only use a partial sheet.

You can laminate a couple of sheets of plywood together. Just make sure you lie them on a nice flat surface with lots of weight uniformly distributed until the adhesive is fully cured.
At least I know that are ways to get this to work. I have 1 sheet of 3/4 plywood and plenty of 1/2" so I can see what I run into once I get the sub and start doing taking some measurements. Things will be more clear once I remove the rear deck and probe down into the trunk and see what clearnace I have to work with from the torsion bars. Then I'll know wether to mount it underneath or on top of the rear deck.
Old Jun 18, 2009 | 11:55 PM
  #118  
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that looks clean as hell
Old Jun 19, 2009 | 06:31 PM
  #119  
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Originally Posted by eng92
The Alumapro measures about 150mm at the bottom end so you will be 10 mm larger on the radius with the Esotar. It may just fit.
Eng Im so happy! the Esotar cleared the torsion bars mounting the sub from the top, and I mean juuuusst cleared with the trunk up. It very slightly touches a bit but Im may put a piece of foam tape and wire tie it on the torsion bar where it rubs (barley) with the trunk open.. I feel like your the Jedi Master and Im the padawan with you schooling me lol..

What's nice about the Esotar was that I used the foam packing that the sub comes with as a template and for measuring purposes and it worked out beautiful. I just had the sub sitting on top of the rear deck for test fitments and it clears with room to build up at least 1" if I wanted total. Now on to making the baffle board and deadening the rear deck.
Old Jun 19, 2009 | 10:04 PM
  #120  
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That sounds pretty encouraging.

Just make sure the sub clears the rear glass for install and removal with the added thickness of the baffle board in place.

Also, make sure you actually have room to tighten all the screws.



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