Code3:
With the car running, "most" cars will be at 14.1 - 14.5 volts...somewhere in that range. You also have to think...the car came with an alternator large enough to run the factory options...NOT an aftermarket stereo. A "basic" can pull 15-25 amps with no problem. Some factory alternators are only 50 amps....some 65. Stereo + headlights + ac = Not enough juice. Most alternators are rated at a certain temperature at a certain RPM. For example, an alternator will typically put out the most at 1800-2000 RPMs when it is warm...
I do have a custom built alternator with a variable external votage regulator. That helps a bit....
If you are running at less than 14 volts with the car running, then there might be a problem somewhere.... Check the voltage at the alternator, at the battery, at the fuse box. Try a few places that have power. See if there are any diferences. This might lead to the problem.
Honestly, I would steer away from rear speakers...especially oval speakers. Think of a concert (live music)....where is the band? IN FRONT of you...not behind you. Sound Quality and rear speaks (most of the time) do not go together. Personally, I have a problem with trying to produce a linear sound from a non-linear object. Meaning...you cant do it well from an oval speaker. Thats just my experience. I can't stress it enough....for good sound, you HAVE to have a subwoofer. 1 10" can do it (maybe even a single 8") with 150 watts....but it has to be there.
Accented:
Thanks for the props. I got into car stereo my senoir year of high school (nearly 15 years ago), and have been at it ever since. There is always more to learn....
Glad to help and throw out ideas when I can.
John
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