Getting back into the game.

dysfunctional canuck

CarAudio.com Newbie
hello, I just joined and need some help picking out subwoofers for a stock 2012 Honda Civic sedan. I want to keep the stock wiring/ head unit but I want something SPL oriented. About a 1kish budget.

I've had Rockford p1, p2s, and some kickers
Heard conflicting things about Skar
And the shear about sundown has to offer confuses me.

So any and all help is appreciated
Ive got about 12.5 cubic ft in the trunk, or W-39H-16 D-29 to work with. Idk what sub(s) would preform the best.
 

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audiobaun

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Do you have the skills and tools(drill,caulk gun,wire wire cutters or box knife?) to follow a cut sheet and put together your own tuned enclosure together?
 

audiobaun

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Im thinking about a single 12 ported and tuned on approx 1k-1500 rms tuned to approx 30-34 htz
 

audiobaun

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That should serve very well with stock speaker front stage? I usually recommend 600-1k sub stage for stock front stage
 
OP
D

dysfunctional canuck

CarAudio.com Newbie
Do you have the skills and tools(drill,caulk gun,wire wire cutters or box knife?) to follow a cut sheet and put together your own tuned enclosure together?
I’m a welder/fitter by trade so I have the skills and the ocd to make it perfect I’ve just been out of the game for about 10 years, so idk what brands/sizes and rms I should look into to get the most spl out of the little civic.
 

audiobaun

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I’m a welder/fitter by trade so I have the skills and the ocd to make it perfect I’ve just been out of the game for about 10 years, so idk what brands/sizes and rms I should look into to get the most spl out of the little civic.
You deff know how to read a cut sheet and use a drill and a tape measure and caulk to seal off all the necessary joints needed. Im a tradesman myself. A single 12 tuned properly will deff serve well for that car.
 
The sad part about your build is, what you need to do is figure out what electrical is going to be in your budget. I don't think you will get to where you need a second battery on that budget, but if you're adding a real sub, you will need to upgrade your alternator.

You need to figure out what upgrading your electrical is going to cost. About $40-$80 for the BIG 3, and you need an alternator.
Lets say you get a 1,000w amp for your sub.
1,000w / 80%( or .8) for amp efficiency is 1250 w draw (by your amp to push out 1,000w).
1250w / 14.4v = 86.8 amp draw for that amplifier.

Your stock alt is probably around 100amps, and that is enough to do everything it may need to: electric fans, efi, AC, headlights, turns, horn, and some other stuff. YOU NEED TO SEE WHAT YOUR UPGRADED ALTERNATOR OPTIONS ARE, AND WHAT IS IN YOUR BUDGET. This could be anywhere from $150- $600. This might eat up a large chunk of your budget, and I always suggest planning out the entire thing, before you buy anything, unless you get a really smoking deal on something, so you can adjust if you need to.

For alternator shopping you need to know two things:
Output at or near idle, &
RPM needed for full output.
I'll bet in a honda you rev higher than a v8, and so this might open up your options, but you need to know what it will recharge while you're sitting at a light, and what speed/rpm do you cruise at, and is that above your full output.

If you can find an alt that is 40 amps higher for next to nothing, then you have about 500w you add, and when it's playing full volume, with a constant draw, (which subs don't do), then you couldn't possibly have a problem. You can still go well over this number. If you find one that is 150 amps higher than stock, for just a little more, then you have room to play with.

I always recommend looking here for deals:
(they owe me some commission by now).

I would bet that with a real sub, your front speakers and the amp will be 1/3-1/2 your budget. There are also several things along the way you could upgrade later. Sometimes you can find nice deals on Clist, or FBook marketplace for enclosures, and even package deals on a system.
 
Last edited:

AnthonyO

Budget Banger Connoisseur
10+ year member
They are out of stock right now but might be able to find them elsewhere.

Snatch these up
 

audiobaun

CarAudio.com Veteran
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Amazon product

Amazon product


Use an80-100 Reg Sized ANL FUSE not the 150 at the battery



At the amplifier with a 60 amp Mini anl fuse




You may need another battery/AGM in the trunk space possibly. This Amp will run @12v and with Big3 it may be fine, though in most Hondas, Ive done the Big3 in 0ga and ran the power wiring (0ga,4ga, OFC off batt. under hood,) back to a secondary battery(AGM750CA,min) and grounded the secondary to rearend through a Plug hole and used a grommet and ground amp off that and to Battery.
 

audiobaun

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Im sure others will chime in and make some recommendations.
 

Louisiana_CRX

dem shoes......
5,000+ posts
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I could do 4 8s in that thing and make it hammer 150s daily ....
 

metalheadjoe

Unapologetic prick
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The sad part about your build is, what you need to do is figure out what electrical is going to be in your budget. I don't think you will get to where you need a second battery on that budget, but if you're adding a real sub, you will need to upgrade your alternator.

You need to figure out what upgrading your electrical is going to cost. About $40-$80 for the BIG 3, and you need an alternator.
Lets say you get a 1,000w amp for your sub.
1,000w / 80%( or .8) for amp efficiency is 1250 w draw (by your amp to push out 1,000w).
1250w / 14.4v = 86.8 amp draw for that amplifier.

Your stock alt is probably around 100amps, and that is enough to do everything it may need to: electric fans, efi, AC, headlights, turns, horn, and some other stuff. YOU NEED TO SEE WHAT YOUR UPGRADED ALTERNATOR OPTIONS ARE, AND WHAT IS IN YOUR BUDGET. This could be anywhere from $150- $600. This might eat up a large chunk of your budget, and I always suggest planning out the entire thing, before you buy anything, unless you get a really smoking deal on something, so you can adjust if you need to.

For alternator shopping you need to know two things:
Output at or near idle, &
RPM needed for full output.
I'll bet in a honda you rev higher than a v8, and so this might open up your options, but you need to know what it will recharge while you're sitting at a light, and what speed/rpm do you cruise at, and is that above your full output.

If you can find an alt that is 40 amps higher for next to nothing, then you have about 500w you add, and when it's playing full volume, with a constant draw, (which subs don't do), then you couldn't possibly have a problem. You can still go well over this number. If you find one that is 150 amps higher than stock, for just a little more, then you have room to play with.

I always recommend looking here for deals:
(they owe me some commission by now).

I would bet that with a real sub, your front speakers and the amp will be 1/3-1/2 your budget. There are also several things along the way you could upgrade later. Sometimes you can find nice deals on Clist, or FBook marketplace for enclosures, and even package deals on a system.
A high output alternator is not as important as battery capacity.
 
A high output alternator is not as important as battery capacity.
Only if you plan on listening to it with the engine off. A battery stores, and an alt recharges.

& Irrelevant in this thread to have a BS discussion about it, which you have been known to do. Nothing about a $1k budget for a full system is going to require a second battery.
 
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