March 27, 20169 yr Author Factory alternator and battery location will continue to run the factory systems for the truck. The Singer alternator is wired up and charging the battery in the secondary under hood location and will charge additional batteries and power the amps. Cold start
April 1, 20169 yr Author Made some progress today. Rear seats are out. Built a false floor and fitted the batteries. Edited April 1, 20169 yr by hdrox88
April 1, 20169 yr I like that false floor with the batteries. It gives me ideas, as I need to hide mine. No more back seats finally !
April 12, 20169 yr Author Popular Post Got everything playing finally. Zip tied everything in place before the console went back in place. I removed the duct in the console for the rear air so that it vents air into the console. Refrigerated amplifiers! Temporary bass setup so I can take my time with the box and stretch the legs of the fresh recone a little bit.
April 30, 20169 yr Author Finally got to work on the box. 8ft^3 @ 28.5hz with 130in^2 of port. I went a little lower with tuning as the response of the xcon in the crew cab is playing much higher than it did in the tahoe. I'm hoping to counter that and play down to the mid to low 20s well.
May 1, 20169 yr Author It's taking shape, I just need to figure out how I'm going to finish it. I wrapped the false floor today. Not an exact match to the factory carpet, but it looks tons better than the bare wood. I regret this tweeter placement. It looked good in my head, after actually doing it I'm less than pleased.
May 5, 20169 yr Author Well, curiosity got the better of me and I loaded up the xcons in the box to see how it sounded before I spend the time finishing the box. My roof is flexing bad, making terrible noises and killing mid to high 20hz notes. 20-21hz is fun, then it dies off til about 28hz and plays well up into the 60s. Anyone have any experience with the roof in these crew cab trucks? No sun roof either.
May 5, 20169 yr Sure the roof is killing them? It should at lower levels too then which you can counteract with your body. Like anything that flexes it needs a heat converter and a stiffener if it is real bad.
May 6, 20169 yr Author At lower volume it plays fairly flat. As I turn it up, there is a point where the roof starts flexing/resonating making it's own music and that is when the frequencies in the 20s don't get any louder while the rest of the sub bass frequencies will continue to increase as I turn the volume up. My back wall/window gets going as well when this happens. Hell, the panel of the bed next to the back wall of the cab flexes now too. Who buys multiple large subwoofers anyway?!
May 6, 20169 yr Have you tried just playing single frequencies to see the same effect? It should help you "localize" the problem. Quotes are because it won't be so local...
May 6, 20169 yr Author No, I haven't tried that. Will have to see what I find. Anything in particular to pay attention to when doing so? Will probably start by placing towels and heavy weight on the roof to reduce it moving and see if that changes anything.
May 7, 20169 yr One of the requirements, or must-haves, with a loud ground pounder is body bracing. Personally, I'd sand the paint off the exterior roof then weld 1/2" angle iron across the inside of the roof. It wont be easy, you'll need to heat the angle iron with a torch and form it to the contour of the roof. Then you will have to repaint the roof. You came this far...
May 8, 20169 yr Author I kinda figured welding in some bracing was in order. I just need to decide how far I want to go with this one. My Tahoe sounded excellent without much effort. This one is proving a little more difficult to get the response where I want it. Definitely loudest I've had so far though. Making me giggle every once in a while again. If I pull the headliner and brace the roof, I might as well just wall it. Oh dear, what am I getting myself into?! Edited May 8, 20169 yr by hdrox88
May 12, 20169 yr On 5/8/2016 at 9:44 PM, hdrox88 said: I kinda figured welding in some bracing was in order. I just need to decide how far I want to go with this one. My Tahoe sounded excellent without much effort. This one is proving a little more difficult to get the response where I want it. Definitely loudest I've had so far though. Making me giggle every once in a while again. If I pull the headliner and brace the roof, I might as well just wall it. Oh dear, what am I getting myself into?! Too bad you dont live near me, I'd love to help. That would satisfy my desire to do it to my own vehicle!
May 13, 20169 yr I need that bc3500 crescendo amp you have. I can't seem to find one any where. What's up with that?
May 17, 20169 yr Author On 5/12/2016 at 1:14 PM, frogcase2002 said: I think 2 more xcons and a wall is in order Don't temp me. I decided on a finish for the box, failed miserably on the execution. It was supposed to be a dark grey hammered metal texture. I think it was too hot and it dried before it could separate to create the effect it was supposed to achieve. It came out a lighter grey and more of a gloss with a little orange peel to it. Oh well, at least it's not bare wood anymore.
May 17, 20169 yr Looks pretty good to me but I'm not there in person. If it looks good from 10 foot away I call it good. My new car and build has a couple of flaws but from 10 feet away it looks perfect. It's hard to keep a daily driver perfect. I met my woman at a store one day in my work car and she was driving our show car and sure enough a guy in a huge full size suv backs right into the show car setting 3 feet from the hooptie work car and just drives off. I was so pissed I was like he could have totaled the work car and I wouldn't have cared but he nails the one that cost piles of money then speeds away. We watched the stores cameras but he had a plastic cover over his plate so you couldn't read it. Bastard he was.
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