Help on choosing amp
infinity1
07-25-2007, 02:31 AM
Just bought 2 12" Inifinity 1252w subwoofers and i need an amp to be powerful enough for them.
Specs:
RMS -300W
Peak - 1000W
Impedence - Dual 4 ohms
Don't know much about amplifiers or subwoofers.. first subwoofers i have ever bought. Need as much help on this as possible. Do i need to get a two channel amp that can run 300 watts? or higher? help please....:banghead:
Specs:
RMS -300W
Peak - 1000W
Impedence - Dual 4 ohms
Don't know much about amplifiers or subwoofers.. first subwoofers i have ever bought. Need as much help on this as possible. Do i need to get a two channel amp that can run 300 watts? or higher? help please....:banghead:
legalfee
07-25-2007, 03:29 PM
You gonna need another battery. I = P / V
I = 1000/12
I = 83 Amps
I = 1000/12
I = 83 Amps
Bob D.
07-25-2007, 11:52 PM
Not necessarily, most of those 1000 peak watts aren't really usable, a high output alternator yes.
turtlecrxsi
07-26-2007, 09:12 AM
Actually, no. You don't really need a high-output alternator nor another battery. :lol:
You can probably use an Infinity Reference amp. Go to Crutchfield.com and peruse their amps.
EDIT: This amp should work. It says "mono" but it has 2 input channels for left and right speakers. http://www.crutchfield.com/S-cOmVlIiCjN8/cgi-bin/ProdView.asp?g=120&I=108R1600A
FYI - You don't have to turn the gain ("input level") up all the way. That's just stupid anyway. If you only turn the gain up 1/2 way you still get correct wattage to your subs without overpowering them and limiting the usage (ie. having them blow out faster). I suggest you spend the money and get 4ga wiring as recommended. And if you feel like you need the extra juice then run a 1.0 farad capacitor. If you don't know what that is then you probably should get somebody to install all of this stuff for you.
GL
You can probably use an Infinity Reference amp. Go to Crutchfield.com and peruse their amps.
EDIT: This amp should work. It says "mono" but it has 2 input channels for left and right speakers. http://www.crutchfield.com/S-cOmVlIiCjN8/cgi-bin/ProdView.asp?g=120&I=108R1600A
FYI - You don't have to turn the gain ("input level") up all the way. That's just stupid anyway. If you only turn the gain up 1/2 way you still get correct wattage to your subs without overpowering them and limiting the usage (ie. having them blow out faster). I suggest you spend the money and get 4ga wiring as recommended. And if you feel like you need the extra juice then run a 1.0 farad capacitor. If you don't know what that is then you probably should get somebody to install all of this stuff for you.
GL
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