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Thread: some SQL goodness - dirty south styles

  1. #1
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    some SQL goodness - dirty south styles

    Got a loud one cookin - not the product I would have picked, but its a "its what I've got" sort of deal. So I rock with it:

    2004 Ford Explorer
    Alpine MRX2400 mono amplifier
    pair of Kicker Solobaric 15L7's

    Customers goal is "as loud as possible". No size or usefulness limitations. After modelling the shit out of it, I've settled on a common chamber sledgehammer design of a little more than 9 cubic feet net - with a common slot vent measuring 7" wide by 18" tall. Tuned to 37 hz. Port volume bitches! I think a few of you here have purchased sledgehammers from me....so you know

    I'm gonna chronicle this build a bit better than I normally do - getting 1/0 power wire, amp rack, Kinetik 2400 battery in the back, and a simple amp rack. Box is being built SQL style - so ya its big, but its not a one note wonder. The F3 point is into the 20's and it has massive gain from 30 to 65 hz - right in the meat of the rap bass range.

    Product came out of a 1/2" mdf enclosure (yes - 1/2") that measured at 2.25 cubes net per driver, tuned to 33 hz with a 2.5" wide vent. Those poor bastards were choked and compression loading like a son of bish. And yet they still got loud as fack - easy mid 140's in that bullshit. A Bmoney box with SQL sprinkled on it (double front plate, excessive corner bracing and stick bracing) and a strong electrical system backup - that 2400 wrms will push this truck into a 150 I'm sure of it. If not - he's gonna go deaf real quick trying

    For reference the 12 on the left is a Rockford Fosgate HX2

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  2. #2
    Administrator MarcGSR's Avatar
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    Re: some SQL goodness - dirty south styles

    I want to see pics of this box once it's built.

  3. #3
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    Re: some SQL goodness - dirty south styles

    no worries. you will

  4. #4
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    Re: some SQL goodness - dirty south styles

    Any updates on this build?

  5. #5
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    Re: some SQL goodness - dirty south styles

    ha - I haven't forgotten. The custy is in the aquiring phase now - we determined we're gonna run a Kinetik 2400 battery in the back in the amp rack to beef up the sub amp. He also got a Steg 4 channel to drive his front end. So this Friday is pure fabrication day - to lay out, design and build a simple amp rack to hold two giant amps and a large battery safely and securely and not look "spl" at the same time.

    btw - "looking spl" isn't a good thing As an installer I'm interested in safety first, proper functionality a close second, and then of course aesthetics. SPLrs care nothing of the three - lay wire in there, fuck the fuses and hope it don't burn. Unfortunately they never come close to what a real install should be. If anyone remembers (or wants to google) Alma Gates and her "Beast". THAT was a fuckin SPL build. She popped mid 60's 10 years ago...and the install was as clean and proper as ANY iasca winning build ever was. THAT was the shit I'd love to go back to....

    some quickies (remember - late 1990's!)

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    And yes - it was a woman in her late 50's responsible for it. There are so many innovations in that build to the SPL scene we'd be here a week talking about them. See the fully glassed podium? See all the switches? Behind the podium is a full logic control that allows them to dependently power down amplifiers and have the subwoofers wiring reconfigured (on the fly) to maximize the load for the remaining amps. Ya boi

    Examples of todays "spl"

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    bmoney
    Last edited by bmoney; 11-25-2012 at 04:49 PM.

  6. #6
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    Re: some SQL goodness - dirty south styles

    Put some time in today. Got a new GM 34/78 side/top post battery to accomodate everything under the hood. Had to build an abs spacer to push it forward in the tray and add to the factory hold down to keep it tight. But it worked. I hacked in a full big-3 upgrade with EFX Flux 1/0 power wire all around. Found a place to mount the fuse holder and tied it all up. Ready to string 1/0 to the back.

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  7. #7
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    Re: some SQL goodness - dirty south styles

    Looks good and clean!

  8. #8
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    Re: some SQL goodness - dirty south styles

    got some mileage on the amp rack/battery box today.

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    Also found two things during disassembly that kinda didn't surprise me...

    Screw almost through the power wire, shorted dead (see the burned black shit?) and back it out and tape it over...no big deal!

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    And on the OUTSIDE of the fucking door (yes, thats broken paint) see where they ran a hugely overlength screw through the door and bottomed it out on the inside of the doorskin, poking through to the outside. Then they backed it out and put a slightly shorter one in. SO SAD.

    The shop in question is a long-standing, prominent place...which makes it even worse. There was a location in Tbay at one time

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  9. #9
    Administrator MarcGSR's Avatar
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    Re: some SQL goodness - dirty south styles

    The quality of your work /never/ ceases to amze me. I miss the days of you pumping out top notch systems for all the people here into car audio all the while drasticly undercutting the cost of every shop in town.

    PS I appreciate you sending stuff down here I'm excited to be putting some bmoney procured goods in one of my vehicles again, dealing with you brought back good memories.

  10. #10
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    Re: some SQL goodness - dirty south styles

    no worries marc-o-p-coltrane. I assume the box came? Couple pieces of wire can't bring back the old days...but its a start. Man we had some good fun...

  11. #11
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    Re: some SQL goodness - dirty south styles

    I picked it up today actually.



    The Winnipeg Sports Car Club's autox event will be bringing us up your way next summer. I got my eye on one of those SD 400.4 and Kattty is looking to get sat radio integrated into her STi. In the mean time keep us all updated on this build. It looks like it's coming along exactly as expected.

  12. #12
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    Re: some SQL goodness - dirty south styles

    Whoever comes down to peg city for the event is more than welcome down to the shop. Two bays, hoist, compressed air...all the goodies necessary to get your tweak or fix on. Keep beer in the fridge and cigars in my toolbox, and its all good

    Lucky me - there's a shit ton to do on that durty south explorer and he's leaving it for the weekend. Wire, wire and more wire....fuck sakes. This is the "work" of the job...oh well, without it, she no go booms.

    bmoney

  13. #13
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    Re: some SQL goodness - dirty south styles

    good progress today despite starting really late. Amp rack/battery box was finished - took the durty sql look into the late 90's with the "all carpet" look. Kinda like it lol. Tomorrows milestone will be to lay wire - one run of 1/0 power wire, 4 runs of 16awg speaker wire, and 6 channels of signal. The truck has a raised floor in the rear with two covered compartments. Once I'm done I'm gonna permanently screw down the back panel to the metal sub floor - giving me a very solid place to mount the amp rack/batt box. All my excess signal wire and such will be buried there.

    Of course the main system ground is through the floor and right to the meaty part of the rear frame. If we can't get the basics down, why bother with the rest?

    And yes the picture of the ground wire into the truck - the compartment is definitely wet inside. It was loaded with beach sand and shit from summer beach trips - I washed it out before covering it over for the last time

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    - - - Updated - - -

    just about done....

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    Pulled the radio out to get that cleaned up. Previous shops job (that same one that fucked over the power wire and door) - guess we're too good to solder?

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    While we're at it, why not damage the harness and not fix it?

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    So Bmoney disassembles bullshit connection (bottom) and solders them tight (top).

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    Running 1/0 in a car isn't as easy as it sounds lol. I ran the power wire and 4 channels of speaker wire on the drive side. The only good place to transition from the sill to the middle was this way. Copius amounts of duct tape makes sure it won't move.

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    Full on late-90's all-carpet amp rack and battery box (ya boi). That factory cover over the storage bin at the front there is about 1" thick, two layered hard platsic. I sandwiched that with another piece of 1/2" mdf underneath - screwed the amp rack down, through the rack, through the panel and into the mdf, and then exactly backwards as well (from underneath - through the mdf, through the panel and into the amp rack). The world will end before this moves.

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    Even SQL durty south installs get done right. Grommets just look cleaner and more professional, don't they?

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    Passing 1/0 power cable through the firewall the right way. Imagine that cable going dead to short - with 750 amps up front and 2400 amps in the rear, all discharging NOW. Got fire insurance? Like burn your shit down in a minute fire lol.

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    If we're gonna rock, we're gonna rock hard. 1/0 ground, through the floor in a factory grommeted hole, sealed tight. Cleaned up the frame rail nicely, predrilled a hole about 2 sizes too small for this monster PK bolt and slowly twisted it in. Its TIGHT. Spritzed some undercoating on it and it looks OEM and will stay for years. This ground ties in nicely with the big 3 up front - we now are assured of ZERO voltage drop due to poor grounding.

  14. #14
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    Re: some SQL goodness - dirty south styles

    put in some work on the box - ready to cut holes for woofage and wrap that bitch.

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  15. #15
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    Re: some SQL goodness - dirty south styles

    Durty south sql box is done.

    You know I had to use 10awg power wire for speaker wire right?

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    To relieve stress of that big wire banging around, I clamped it down. Also note triangulation braces in several points (and several above you don't see)

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    Double front plate bishes. 1.5" of laminated mdf makes sure those huge drivers sit tight.

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    Ahh yes its finished.

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    For frame of reference - thats a fullsize side-by-side fridge behind it I had to slide it off the saw horse bench and onto this roller cart to even move it. No hope of ever lifting this solo - guaranteed 150+ lbs. Ninja edit - a typical 3/4" sheet of mdf weighs 100 lbs - this box has a little over 1.25 sheets in it, plus drivers. This fucker is MORE than 150 lbs...no shit I can't move it lol

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    - - - Updated - - -

    Durty south is a wrap. System is done and delivered. Overall impression: these drivers with this power hit like a fuckin freight train. VERY VERY strong. Bass output from 33 to 65 hz is beyond description - most Lil Wayne and the like causes breathing difficulties (seriously). Its the music he listens to, and he wanted it loud. The tonality is muddy and the bass is relatively slow - but thats to be expected from an install like this. All in all - it exceeded what he wanted, and thats what matters.

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    Last edited by bmoney; 12-29-2012 at 11:49 PM.

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