1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

New Stereo Install 56k be scared!

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Old Dec 11, 2006 | 07:10 PM
  #26  
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Thats an awesome workshop dj!
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Old Dec 11, 2006 | 07:14 PM
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John, do you plan on stuffing your new box with that polymer stuffing? I think that's the name it's called, I could be wrong.
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Old Dec 11, 2006 | 07:20 PM
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Good work there.
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Old Dec 11, 2006 | 08:06 PM
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I will be stuffing it with Polyfill, should be 2 bags. Thanks for all the comments guys.
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Old Dec 11, 2006 | 09:43 PM
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Lookin nice and curvey, now you just need that turbo to haul all that extra weight around.
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Old Dec 12, 2006 | 12:19 AM
  #31  
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just for the record .. thats not me in the picture ... that was my crazy dutch teacher ... best teacher i've ever had all high school
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Old Dec 12, 2006 | 06:14 AM
  #32  
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Sean, I don't need a trubo for the stereo. I need it to haul my big *** around. As of right now, this box is actually lighter then my old one, but I still have a few more layers of fiberglass to go.
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Old Dec 12, 2006 | 06:37 AM
  #33  
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how much does all that weigh anyway?
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Old Dec 12, 2006 | 03:40 PM
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dont worry about the weight, he needs it to bring back balance to his new turbo to keep the 50/50 weight distribution



I think you might need the jackhammer sub to keep the balance a little better
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Old Dec 12, 2006 | 04:43 PM
  #35  
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Jesus, what the hell is that for? some big piece of construction equipment?
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Old Dec 12, 2006 | 05:11 PM
  #36  
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thats teh jackhammer
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Old Dec 12, 2006 | 07:01 PM
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...... but why.......
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Old Dec 12, 2006 | 07:13 PM
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nice speaker box u really know what your doin i like how u positioned it with the dowel and what not really well done...

on a side note what is that turbo for one of those super large earth working machines...
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Old Dec 13, 2006 | 11:13 AM
  #39  
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Great work so far. Out of curiosity, is it as much of a PITA to resin the inside portions of the box for you as it is for me or do you have some sort of trick that you use? One other question.... What is cabasol and what does it do for the box? Thanks in advance and for the nice write up with pics. Keep up the great work.

Zach
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Old Dec 13, 2006 | 05:15 PM
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I have the same question, what is cabosol, never heard of it. Once one has a plan laid out, it is deceptively simply to construct a decent looking box, even with the compound curves. John, I would say you did learn a bit from your Dad.

Working as a high end woodwright on boats would be an extremely satifying occupation for me. I have an extensive collection of woodworking tools, hand, power and stationary. Unfortunately I don't have enough room to set a shop up and still have a place to work on the 7s. Keep up the great work.
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Old Dec 13, 2006 | 06:46 PM
  #41  
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Thanks guys.
Boosted, I do all my fiberglassing on the exterrior of the box since I'm carpeting. If you want to have the super smooth exterrior, I know guys that cut a large hole in the box to fiberglass the inside then seal the hole back up. I don't like that. I do like to put a nice soaking of resin on all the inside joints and where the fiberglass meets the wood. All this weightlifting does not make it easy to get my arms inside the box.

As for Cabosol, its a silica used in boatwork. They use it to fill gaps in the joints or to sandwhich 2 pieces of fiberglass together. You just make up your resin as normal with the hardner then poor the powder sicia in. It mixes to the consistancy of peanut butter. You then paste this stuff on the inside of the box. Many people put on about a 3/4" coating of this on the inside and the box is just as strong as 5 layers of fiberglass, I like the quality of fiberglass on the outside with the silica on the inside.
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Old Dec 13, 2006 | 07:25 PM
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nice work there man. very clean! reminds me of the enclosure i have in my supra.
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Old Dec 13, 2006 | 07:32 PM
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Ah, so that's what it is. When I needed to do some filling when I did the widebody, I added glass beads to the resin from the sandblaster as a filler. Works great for buildup/filling, don't plan on trying to sand it much though, lol.
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Old Dec 14, 2006 | 12:54 PM
  #44  
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John64, so let me see if I'm right here. You can go with a thinner layer of fiberglass and then make up for it on the inside of the enclosure with the cabasol? If so then that's really interesting to know and thank you for that. I'm about to make an enclosure for my daily beater and I knew I'd have to use fiberglass for at least partial glass and the rest MDF due to space constraints. A full MDF enclosure just wouldn't fit. So if you could elaborate a bit more about using a mixture of glass and cabasol I would greatly appreciate it. And/or pics of putting the cabasol into the enclosure. Thanks in advance.

Zach
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Old Dec 14, 2006 | 03:37 PM
  #45  
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Zach, thats exactly what I mean! It's great stuff, you will have to do some research, but as you can see I got it from WestMarine, you can also find it at Select Products. Basicly you just mix it per the instructions, since it is going on the top of the enclosure I made it thick like peanut butter so it won't sag. To get it thick enough you might need 3 coats, but the first coat will need to dry to get it right.

Here's 2 nice forums to get more info (use the search button as they are flame happy!)
http://www.the12volt.com/installbay/...ics.asp?FID=16
http://fiberglassforums.com/
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Old Dec 14, 2006 | 03:49 PM
  #46  
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Ok, I was busy and has no chance to post pics, but here they are.

Finished the wiring for the amps (lots of wires)

The relays at the bottom are for so little neon tubes under the amps!





Alpine MRV 303 for the fronts and rears. 60x4


Alpine MRV 1507 Bridged 1000x1 (thats max at 12.5 volts, so constant at 14.4!)



Like I said, lots of wires!

Heres the update on the sub:


Sanded, bondoed, sanded, bondoed and sanded one last time! Ity's ready to get carpeted and installed.
I tested the amps and everything is up and running. I'm on the home streatch, I took off of work tomorrow, so I should get this thing buttoned up except for maybe the trim panels.
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Old Dec 14, 2006 | 04:23 PM
  #47  
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WOW!! You have great craftsmanship mang! AWESOME WORK!! I love your attention to detail. How many hours total has this taken you so far?
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Old Dec 14, 2006 | 04:25 PM
  #48  
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John, perfect explination. Thanks again for that. The project looks like it's coming along nicely. I'm looking forward to seeing what it will look like once it's completed.

Zach
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Old Dec 14, 2006 | 04:28 PM
  #49  
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Wow, that is really something. I love wires. Nicely done! All nice and neat. Take pictures once everything's done!
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Old Dec 14, 2006 | 04:43 PM
  #50  
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Damn fine job! I have two Infinity Kappa 4 channel amps and you have now given me ideas.
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