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2001gt3.0 -> RE: audio - advice please! (4/7/2006 5:29:29 PM)
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First of all, that's is a great choice for a head unit, the Super Tuners III's are among the best sounding tuners out there. This head unit also has 3 pre-outs, front, rear, and a subwoofer out. It also has a two way crossover, equalizer and 22watts x 4 channels built right in. This will give you some options with your system.
I could not find any information on the Rockford Fosgate 2.6X150 ( Does this amp have the series and model number on it? ) Some name brand amps are able to double there power into 2 ohms and some will also play in mono or bridged mode. If your's is one of them it will produce 150 watts X 2 at 4 ohms, 300 watts X 2 at 2 ohms and 600 watts X 1 bridged (MONO) at 4 ohms. If it will not produce this kind of power, I would still keep it since it is paid for and play it on the front and rear channels. It is a little much for the rear channels but it is better to go big than small and you can aways turn down your gain control.
You will have to replace your door panel speakers will aftermarket drivers, almost any name brand will do, matching the wattage with your amp isn't really that important as long as you don't go too much below your rated amp power ( example: 50 watt speakers should be bypassed if you are using 150 watt amp, you would want something that holds around 150 watts, a little higher or lower will not matter ) Keep in mind that your front and rear speakers will be crossed over at ( Pioneer 6800 specs- 50/63/80/125 Hertz at 12 db's ) Your crossover setting will be a large factor on how much wattage you door speaker will receive.
You have some options on you amp choices, if you want to use the Rockford Fosgates on you subs, you can buy a 4 channel amp or 2 smaller amps for your front and rears. ** If your Rockford Fosgate will play in mono or bridged mode this would be the way I would go. ( 600 watts X 1 at 4 ohms for each subwoofer).
If you are looking for a BIG amp for your subs, I would just keep the Rockford Fosgates and use them on my front and rear. You may have to spend some money on a large quality sub amp, if you follow E-Bay you may want to look at some older PPI's or Orion type sub amps if that's in your budget.
You can also sell your 2 amps on e-bay and buy a large sub amp, using the head unit for your door speakers, it is 22 watts X 4 channels, 22 watts would not be great but if crossover at a higher freq, ( 80 or 125 hz ) you might be pleased at the results and you could look at upgrades later. **22 watts per channel may seem like more after listening to a stock radio.
The Capacitor will just do just a little bit to make up for short coming on your power system. For Example, if you have your lights blinking or dimming with the bass beats, the capacitor would not be able to help your system out. You would need a large alternator. I have seen where some companies think that you need 1 farad per 1000 watts rms but I have never seen a test where they have showed results of using the capacitor, maybe someone else has had a positive experience with one or seen a test. You may want to check with some people that have purchased one and get their opinions.
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