Question about Profile 600MSX Car Audio Amplifier
I have a 1000 watt amp, after a few seconds of playing it makes like a loud bass noise and it doesnt go away unless i unplugg it. They have told me that it's bcuz it doesnt have cooling fans so it heats up. but i dont know. Hopefully somebody can give me some advice.
Posted on Dec 22, 2008
Cooling fins won't make a difference when you first turn it on. You would have to play it loud for 10 of 15 minutes to get it hot.
It could be a bad ground from the rca's if thats how you have it hooked up.
Wiggle the plugs where they plug into the amp, if it cuts in and out it might have a broken solder joint where the conductor for the outer rings of the rca terminals is soldered into the main board.
If this isn't the problem something inside is shorted like a power supply or output transistor, cap, bias resistor,
If you are using speaker level inputs double check the wiring. Sometimes using only 1 wire for the left and 1 wire for the right will work better.
Never run speaker level wires directly into an rca input without a speaker level to rca level adapter.
Posted on Apr 18, 2010
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Posted on Jan 02, 2017
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