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Subwoofer choice help

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TonWardHD

CarAudio.com Recruit
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Need help choosing subs for my setup. I am going to buy two. 

I am 70% spl, 30% sq person. I want a loud daily driver setup. I am willing to sacrifice some sq for some spl. Which sub should I choose?

https://ficaraudio.com/product/sp4-series-sp418-v2/    (3500 rms, 87.9 sens)

https://ficaraudio.com/product/btl4-18/   (Says both 2500 rms then 3500 rms??, 88.1)

https://ficaraudio.com/product/btl-series-btl-neo18/   (2500 rms, 92.6 sens)

looking for 18”. Any other sub recommendations believed to be better would be appreciated . Trying to stay bellow $1300 total for subs

 running two amps, 4000 rms each (monoblock) 1 ohm stable, no less

i can hook up a single sub to each amp (dvc 2 ohm) to each amp for 1 ohm connection right? Especially on a slave connected to master?

Click to read more...
 
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anton77 said:
Need help choosing subs for my setup. I am going to buy two. 

I am 70% spl, 30% sq person. I want a loud daily driver setup. I am willing to sacrifice some sq for some spl. Which sub should I choose?

https://ficaraudio.com/product/sp4-series-sp418-v2/    (3500 rms, 87.9 sens)

https://ficaraudio.com/product/btl4-18/   (Says both 2500 rms then 3500 rms??, 88.1)

https://ficaraudio.com/product/btl-series-btl-neo18/   (2500 rms, 92.6 sens)

looking for 18”. Any other sub recommendations believed to be better would be appreciated . Trying to stay bellow $1300 total for subs

 running two amps, 4000 rms each (monoblock) 1 ohm stable, no less

i can hook up a single sub to each amp (dvc 2 ohm) to each amp for 1 ohm connection right? Especially on a slave connected to master?
Click to expand...
btl neo all the way. if youre gonna use 2 amps strapped, then get dual 4s if running amps independently, get dual 2s. make sure you have the juice to support 8000 watts tho, youre talking a max of around 400 amperesso, probably at least 2 runs of 0 gauge and a 320 amp mechman with an agm up front if not 2

 
youdoofus said:
btl neo all the way. if youre gonna use 2 amps strapped, then get dual 4s if running amps independently, get dual 2s. make sure you have the juice to support 8000 watts tho, youre talking a max of around 400 amperesso, probably at least 2 runs of 0 gauge and a 320 amp mechman with an agm up front if not 2
Click to expand...
More like upwards of 800amps of current needed

 
youdoofus said:
on full tilt yes, but itll hardly ever pull that. plus that would require 3 alts to support it. Im not at all against that, but i dont think hes gonna be pulling that much juice thru that
Click to expand...
I fr fr need 2 high output alts on God??

i planned on paying up to $400 on one.

anyone know cheap ass high alts that aren’t like vehicle specific?

 
Last edited by a moderator:
THATpurpleKUSH said:
8krms with a cut corners electrical system? I hope you have full coverage insurance and the fire dept on speed dial. 
Click to expand...
Nah. I was going to install a single ho alt this week before I put everything together. Also a battery or two. I got the big 3 done. 

Know where to find cheap ho alts?

shouldve thought about it more

 
Last edited by a moderator:
anton77 said:
Nah. I was going to install a single ho alt this week before I put everything together. Also a battery or two. I got the big 3 done. 

Know where to find cheap ho alts?

shouldve thought about it more
Click to expand...
With a 300a alt you will need 5 100ah agm batteries. If you use lithiums you wouldnt need as many batteries but the cost will be substantially more. You need 100a of electrical for every 1krms. 

It sounds like you need to think about this a little more or you will be in deep **** very quickly. 

 
You should be fine with 4 group 34 agms in the back if you're actually gonna be pushing it along with 1 up front if you're gonna do 1 ho alt. Several runs off of 0 gauge and many fuses or breakers

 
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TonWardHD

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