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CJSmith

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  6. Need some help!

    in Amplifiers

    Posted

    I know I'm going to get a lot of crap for this, but... I have 2 AA Mayhem 18's that are dual 1's but they rest at .7 each. I have them wired in parallel at .175 ohms. But every time I try to run them in series, they get stinky. So i want to try series parallel and run them at 1.4 ohms. I upgraded my alt today to a Mechman 300A, and my amp gets hot very quickly, and shuts off before my voltage even drops to 13.0v Also, my 300A Mechman doesn't seem to make my system louder. My amp still shuts off around the same volume that it did when I just had the stock 140A alt. With the stock 140A alt, my voltage charged at 14.4, but the Mechman is only charging at 13.8v, even when i rev my rpm's.. Any help is greatly appreciated, thanks guys.

  7. Why is low voltage bad for amps?

    in Amplifiers

    Posted

    For the heat part it creates heat because higher voltage means less resistance, example high voltage power lines like 400kv are like that because power companies lose less power to heat loss, its more efficient, when voltage drops resistance increases and cause lots of heat.

    An amp is just a circuit, its stupid, it will do what its designed for, so say its designed to output a certain power, if the voltage drops it will try and pull more amps to create that power until it burns out. With it pulling more amps than its designed for and the heat increasing from resistance, amps die.

    So, is it more efficient to run an amp at 18v?

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