slybu
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Posts posted by slybu
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I suspect this amp is putting out dc voltage on the speaker outputs.
Need to check what it could be. I suspect transistor maybe
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turns out there is a fault with this amp. had a speaker connected to it and as soon as amp is powered on the speaker cone is pulled down and stays down unless amp is powered off. keep amp powered on too long and speaker smokes. good thing im testing it with used old speakers from junk yard and not my main sub.
not sure what this fault is or how it can be fixed. fuse doesnt pop on the amp either. and i used a 10amp fuse to be on the safe side.
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will test this out on the weekend and see how it goes. sounds promising
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My bro found this amp in a house he bought, not tested it yet to see if it works but will get round to that this weekend.
cleaned it up since it was very dirty.
are these amps any good or they just junk that doesnt even make rated power?
MTX Thunder 251D
in Amp Guts
Posted
no, i didnt plug in the rca's, just had the + and - connected to a car battery and one 4ohm old car speaker connected up.
i like dabbling with electronics in my spare time so may give it a go at some point to see if it can be fixed. the gain knob being set at max was probably a good indicator of how the previous owner ran this amp.