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Re: How big of am amp do i need?
Depending on what kind of music you listen to I would say around a 1200 Watt Amp would suffice for what you are saying. Thank you for using Fix Ya! Don't forget to rate the overall answer to your question.
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You double the watts to the speaker for the channels bridged. This also depends on the Ohms of the speakers being used. The lower the Ohms of the speakers used in relation to the Ohms of the amp also increases the watt output of the amp.
Assuming there is no short, or lose ground wire somewhere inside the box, diodes( in the amp) are fine, you might be overheating it by not allowing it to get good ventilation. This can be a big deal on some low end Chinese amps. Or the speakers are blown , or your Resistors (in the amp) are bad, but for arguments sake. Most people don't use the proper size and or conductivity types of wiring, for pushing high amperage Think about it like this, Watts (power) =.Amps (energy) x Voltage (pressure) Resistance or Ohm's (amount) determines how much Wattage will go in or out, Ohms = Volts x2 / Watts. What gauge wire are you using on your setup?
You want an amplifier that is rated for the subwoofers. In your case your subwoofers are rated at 1500 watts rms each, so you will need an amplifier of 1500 watts rms or more for one subwoofer. good luck
The size of the wire has more to do with the amp's output than it does with the speakers. The wire should be the same size throughout, from speaker to box, box to amp. A minimum of 16 guage multi-strand wire. Most amps that put out up to 500 watts max or have an RMS rating in the 300 watt range should do fine with this. If you want to be on the safe side, there is no limit to how big your speaker wire can be, only how small or a minimum. If you're using a very high output amp, like over 500 watts RMS, you can use 12 ga. wire. If you want to be on target for your size, I need to know what amp you have and how many speakers you have.
it really depends on ur choice but if it were me id get the biggest mono block amp i could to run the sub. and id run a 2 to 4 channel amp to power the rest.that way u get ur bass on it own supply and the voices on there own supply.if u want more detailed help let me know firstname.lastname@example.org
personally i wouldnt use a sony amp for powering anything but,however if your going run it what i would recommend is if the speakers are at 4 ohms then run in series per speaker then put the speakers in series as well so you will keep your 4 ohms then run the amp in mono,however just to let you know that amp will not push fubars enough to really make them thump my advice is to goto http://www.sonicelectronix.com if you have 200 dollars you can get a nice Hifonics TXi 1508D that will push those monsters quite well thats 1 ohm stable and will barley get warm even after hours of thumpage,also if your running subs monoblocks are the way to go hope this helps you out.