What should i do with this???

[spare69 2]

I have 2 FI BL 12's hooked up to a Hifonics 2500, running at 1ohm. They seem to max out with my stock electrical (granted i have the big 3 and 2 yellowtops in the back) Am i getting the full power out of the amp? I hooked the subs to my buddies car who is running full electrical and 3500 rms and it was insanely louder. What can i do to get more towards his level or atleast max out my amp to give the full 2500 rms to these subs...

[Dictator 39]

hifi series.

[ssh 924]

If your electrical is up to par, and your amp has the gain set to the max before audible distortion then your at the limits of it, You would need a different amp, or possibly a second one if they are are strappable (sp?).

What amp does your buddy have?

What does your voltage drop to at full tilt?

[Dictator 39]

he's running my hifonics hifi 2500, hooked him up to the wagon to the crescendo bc3500 at1ohm to test the new enclosure we built lol was nasty loud for two 12's on the nendo!

[swift 501]

Good 3500 > budget 2500

[ricksi30 923]

Did you put your subs in his car, or leave them in your car?

[Impious 1,476]

I hooked the subs to my buddies car who is running full electrical and 3500 rms and it was insanely louder.

If you put your subs in his vehicle, then the difference is easily attributable to nothing more than differences in vehicle acoustics.

If you liked the way it performed in his vehicle better, then either design an enclosure that performs better in your vehicle or purchase the same vehicle he has to drive around in instead.

Without more information about how your electrical system is actually performing, we can't tell you anything about whether or not your electrical is performing up to par.

[ricksi30 923]

I hooked the subs to my buddies car who is running full electrical and 3500 rms and it was insanely louder.

If you put your subs in his vehicle, then the difference is easily attributable to nothing more than differences in vehicle acoustics.

If you liked the way it performed in his vehicle better, then either design an enclosure that performs better in your vehicle or purchase the same vehicle he has to drive around in instead.

Without more information about how your electrical system is actually performing, we can't tell you anything about whether or not your electrical is performing up to par.

Exactly what I was getting at.

[spare69 2]

I hooked the subs to my buddies car who is running full electrical and 3500 rms and it was insanely louder.

If you put your subs in his vehicle, then the difference is easily attributable to nothing more than differences in vehicle acoustics.

If you liked the way it performed in his vehicle better, then either design an enclosure that performs better in your vehicle or purchase the same vehicle he has to drive around in instead.

Without more information about how your electrical system is actually performing, we can't tell you anything about whether or not your electrical is performing up to par.

Exactly what I was getting at.

Well basically at full tilt on rap (Gain halfway up for no distortion) In the jeep, I drop to 12.2 average. Im running 2 yellowtops and a normal cell battery with the same specs of a yellowtop (just not a AGM) Big 3 upgrade, stock alternator, 1 strand of 0 guage power wire to back. The problem is that my voltage is dropping to low before the amp can reach its maximum power, so my subs are not getting full power...

and he literally back his car to mine and we ran wires to his 3500 cresendo amp lol. closed the back hatch and dammmm was loud, easy 144-145 at quarter gain

Edited October 8, 2012 by spare69

[spare69 2]

Would simply getting a 275 amp alternator fix the problem and let me get all the power i need??? i just want this shit as loud as it was with that crasendo man lol. Obviously it wont be as loud with the hifi but......still..

[spare69 2]

bump

[ricksi30 923]

What is your voltage like now?

[Kangaroux 47]

What is your voltage like now?

He just said he was dropping to low 12's

OP I would highly suggest an alternator if you plan on running over 1500-2000w. No matter how many batteries you have you will never be able to hold your voltage above 13v unless you have a better alternator. As for the amp, those hifi's are overrated a bit. If you are going to run hifonics I suggest at least getting the BRZ series. That crescendo is on a totally different level than your hifonics.

Edited October 8, 2012 by Kangaroux

[ricksi30 923]

What is your voltage like now?

He just said he was dropping to low 12's

Missed that, but I agree he should get a bigger alt. Don't expect a large gain in output by just changing the alt though.

[Kangaroux 47]

What is your voltage like now?

He just said he was dropping to low 12's

Missed that, but I agree he should get a bigger alt. Don't expect a large gain in output by just changing the alt though.

This. You may gain some on the meter but without actually upgrading your amp to something bigger you won't hear anything audibly. Though your subs will thank you for it as well, being that they won't be getting a clipped signal from the higher voltage.