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Discussion Starter · #1 ·
Hello! The missus and I are looking to swap out the factory sound system for something with a bit more power, and I'm trying to figure out how much is TOO much.

I want to go with two JL Audio 12w7s capable of pushing 1000W RMS each (each with its own JL Audio HD750/1 @ 750W RMS) in a custom stealth floor enclosure. She wants to go with less than half that (think 250W RMS). So to solve our debate, we're coming to the experts: YOU!
 

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Do you have a specific goal in mind such as competing in spl? I only ask because 2 of those JL's will be quite alot, for example last year I ran 1 12" 2 ohm alpine type R being fed 464 watts (under powered) and I hit 134.7db all day long... this is wayyy too loud for normal listening... and by the sounds of the set up you want you will be in the 137-140's at least...
 

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Discussion Starter · #3 ·
I just wanted enough thump to shake the snow off in the morning. j/k

So 1500W is too much. Okay, then where's the "sweet spot"?
 

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M1A1D said:
I just wanted enough thump to shake the snow off in the morning. j/k

So 1500W is too much. Okay, then where's the "sweet spot"?
at the moment, i push 1 10" in a ported box with about 200w rms... it sounds great in the car and can barely be heard outside.
 

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Discussion Starter · #6 ·
lol... Sounds like I might want to bring it down into the 200W-500W range.
 

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I've got two Boston G5 12s that I got off a friend, which he sold to me because they were too much for him.
They had 450W RMS each, and a question mark on peak, that is, because there wasn't a peak listed anywhere for them, so he had them at a comfortable 1000W peak each. Anyway, personally, I like loud. That said, about 200W RMS and about 4-500 peak would be plenty.
I like a little excess, myself, though.
Just my .02
Good luck with your setup :thumb:
 

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Before I did my stock sub swap I was running 2 10" Alpine Type S subs with a 250 Watt amp and it made my hair shake :) You don't need much...just the right setup.
 

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Discussion Starter · #9 ·
We've settled on running one of the JL Audio 12w7s @ 750W RMS for now because of a discount. Thanks for everyone's advice! I'll start posting pics of the finished setup before the end of the month.
 

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I think you will be happy with that set up lol, over time your ears will adjust to the volume, but 750 watts rms will not only shake the snow on your car but the cars next to you lol...
 

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M1A1D said:
Hello! The missus and I are looking to swap out the factory sound system for something with a bit more power, and I'm trying to figure out how much is TOO much.

I want to go with two JL Audio 12w7s capable of pushing 1000W RMS each (each with its own JL Audio HD750/1 @ 750W RMS) in a custom stealth floor enclosure. She wants to go with less than half that (think 250W RMS). So to solve our debate, we're coming to the experts: YOU!
TBH. I think that one 12W7 is enough.

I had a mate with a 12W3, I also sold him an old 12W3 I had laying around, and he was running them both from a Hi-Fonics 'Collosus' amp, running 1 ohm.

When he cranked it, it actually made me feel sick. Waaay too much bass IMO.

If that's the effect you're after, then great, but If not I'd stick with 1 12W7 with dual 4 ohm voice coils.
 

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Discussion Starter · #12 ·
I'll go for stomach turning power later this year...while she's out of town and unable to stop me. :yahoo:
 

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It's easier to seek forgiveness than permission, right? :D
 

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M1A1D said:
I'll go for stomach turning power later this year...while she's out of town and unable to stop me. :yahoo:
Your a Bad, Bad, Boy! :bang:

I like your thinking!!!!!! :hyst:
 

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Discussion Starter · #15 ·
theescaperoute said:
It's easier to seek forgiveness than permission, right? :D
Exactly! I'm also looking at a 3G mobile router for the truck too. Anybody had to upgrade their alternator and battery yet? lol
 

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M1A1D said:
theescaperoute said:
It's easier to seek forgiveness than permission, right? :D
Exactly! I'm also looking at a 3G mobile router for the truck too. Anybody had to upgrade their alternator and battery yet? lol
Good man, I like your style! :thumb:
 

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M1A1D said:
theescaperoute said:
It's easier to seek forgiveness than permission, right? :D
Exactly! I'm also looking at a 3G mobile router for the truck too. Anybody had to upgrade their alternator and battery yet? lol
jshak07 has me looking for upgraded alternators, too. When I find one, I'll let everyone know!
 

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Most audiophiles say an upgraded alternator is rarely ever needed unless you have a HUGE system!! Most say just the big 3 upgrade will suffice and dramatically improve everything. Also make sure all grounds are good.
 

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And make sure that the rear license plate is solidly mounted.

:lol:
 

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Haven't gone to a bigger alternator yet but it wouldn't hurt, anyways ***tip for helping your rear plate, hit your nearest dollar store and pick up those little circles of carpet that are meant for putting under like couches on their feet so they are easy to move on the ground and don't scrape the floor and such. Get some of those and drill a hole in them and use them as a buffer between your plate and the mounting hole, it will stop like 90% of vibration... sorry I tried to get a pic but I forgot.
 
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