I have an American Legacy Series 2 1600 watt amp. MOdel number LA1490.
It was given to us by a friend, becuase it doesn't work at all. We opened it up, and fixed a thing or two that was obviously broken, but....it still doens't work.
It looks like maybe there may be a broken solder connection, but I need to get ahold of the schematics of the inside to see if the connection really is broken. Anyone know a source for that?
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In mathematics, the root mean square (abbreviated RMS or rms), also known as the quadratic mean, is a statistical measure of the magnitude of a varying quantity. It is especially useful when variates are positive and negative, e.g., sinusoids.
However, the term "RMS power" is sometimes used in the audio industry as a synonym for "mean power" or "average power". For a discussion of audio power measurements and their shortcomings, see Audio power.
I looked up that amp, it doesn't have a listing for 2ohms x1 but it has 2 ohms x 2 and its at 250watts. For this situation, I would recommend a different amp or different subs. Right now you are getting the most you can get out of your sub/amp combo, if you only have single voice coil subs. Which is common in the mtx preloaded boxes. Either you want an mono block amp stable at 2 ohms or 2 dual 4 ohm voice coil subs. If you got the subs you would wire the voice coils in series so you could get 8 ohms then the subs in parallel so you could get 4 ohms, which would be the best for that particular amp. Good luck.
check for pinched wire causing ground loop. Screws and seats are easy culprits. If you have a spare RCA... or can borrow or buy a cheap one... run it from the radio to the amp without routing the wires in the car and test.
Possibly could be hitting metal behind radio. Be sure to secure and tape wires.