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car audio amp and speaker mod

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#1
was thinking of using some of my new/old car audio components that ive had for years sittn in the basement for a amp rack and speaker modding project. i could use some help regarding an amp rack and speaker cabnets , also how and or what kind of inverter would you need for the amps ? pictures and design ideas would be most helpful here , thanks.....oh almost forgot it would have 2 or 3 amps depending on configuration,1 pair of front speakers and sub w/enclosure.
 

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Fitseries3

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#2
no way... i want that infinity component set.

you could put a computer in that sub box pretty easily.

i'll definately help you with this project
 
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#3
ya the component set is very nice and new btw, i had a set and sent them back to crutchfield before the warrenty expiried and i never reinstalled them, the woofers are still in plastic bags that are sealed along w/ the sub( fresh !) i took very good care of the amps also so i want to make a sweet amp rack, the amps have a powered sliding door to show the blue light power triangle and cooling fan that will match my case very nicely:rockout:
 
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#5
oh ive had this stuff on craigs list for awhile , but im askn around 800.00 which is alittle high i guess , but i take good care of what i have, also ive had this modding idea for awhile..oh btw please excuse the crappy webcam pics
 

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Fitseries3

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#6
the only problem i see with this idea is you'd probably want to magnetically shield the speakers to keep the pc components safe.
 
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#7
so true , was thinkn for the amp rack a three 3 tier design at a slight angle along with an inverter maybe ? , i havent research anything to invert power for amps
 

Fitseries3

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#8
depending on the wattage of the amps you'd need one hell of an inverter. if you're electronically inclined you could probably build a power source for the 14.4v lines for the amps.

you could also just use a deep cell car battery and a battery charger then source the 12v off of that.
 
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#9
A simple computer PSU will work according to the size of the amp, trust me, I use a 400W PSU with 28A on the rails with a 240W Coustic amp to a 10" sub and all ya have to do is jump the green wire with a ground(black) on the 20/24 pin connector and use a yellow wire and a black wire to the B+ annd jump the B+ wire to the remote and ground to ground and power up and thump!
 

Fitseries3

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#10
yes... BUT, for larger amps that wont work.

my 2000watt lighting audio will blow even a pc power and cooling 1200watt computer psu with the amount of power it draws.

i wouldn't recommend using a PC psu for car audio amps.
 
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#11
indeed , the sub amp is a 401f mono channel that can push 350 or so rms and 1200/1400 w/max i believe , the 2 501f are 4 channel amps that are 50 w/x 4 or bridged at 2 channels 150w and the infinity speakers can handle that no problem(planned on that when i got the equipment :)) so ill need to get the math down on paper and really plan this out , this will depend on the cost of the inverter really, hell if its within budget ill put a nice cap inline with it for good measure.
 
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#12
yes... BUT, for larger amps that wont work.

my 2000watt lighting audio will blow even a pc power and cooling 1200watt computer psu with the amount of power it draws.

i wouldn't recommend using a PC psu for car audio amps.
I'Ve been using them for years on my amps and I used the same 400W on my old Legacy 1200W and is hit just fine without really any drop in volts/amps
And in house speakers dont really need alot of juice to pound. My 10" hits just as hard in my house as my 12" in my car
 
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#15
wow if thats doable that would rock..ill grab a decent one and mod the power supplie even
No hacking of the PSU needed. I made a cable I took a pic but its not uploading for some reason
 
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#18
well thanks for the hints/ideas gonna run, i think im gonna plan this out on paper and make some sketches for the amp rack , and brainstorm something for speaker enclosures( that are shielded).....peace!
 
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#19
well thanks for the hints/ideas gonna run, i think im gonna plan this out on paper and make some sketches for the amp rack , and brainstorm something for speaker enclosures( that are shielded).....peace!
I'll get my amp outta my car and hook it up and show ya my sound setup soon:p
 
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#20


Heres of my homemade cable. Easy really, its a female molex connector from an old dead fan. You could get the wire a bit bigger in gauge but this is suffice for my applications.
 
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#23
No problem man! I use this with the 240W amp up to a 1000W JVC sub and the 400W PSU powering it. I cant turn it all the way up or it blow me outta my chair lol. I also made a cable out of a headphone jack and 2 RCA cables to hook up the amp to my computer for awesome bass in my games.
 

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#24
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#25
Yea safer is better but I just did a cheap way out and sounds good too with no noise in the sub. Buying a $120+ battery with a $150+ PSU is way outta my range for a low wattage amp. It really just depends on the size of the amp.