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Question:

Blown audio amplifier or speakers?

I had a party this weekend and suddenly the bass from speakers went off and the treble went to extremly low. (Note, this is not car speakers/amp)I tried replug the speakers by twisting up wires again and insert em, i managed get some bass from the speakers after that but lasted like 1 min.May i broken the speakers or the sound amplifier? And may someone know how to fix the problem?

Answer:

Thus:Hook up the good speaker having tweeter woofer(Bass) to the said amplifier.See if the speaker gives adequate o/p. say it gives the adequate o/p, .Then the amplifier is ok. If there is no sound or less o/p of the sound, the amplifier is gone with the wind.Now, how do you check if the speaker is ok.Thus:a) Get a dry battery with two separate wires connected to its each ends,then touch the terminals of the speaker with the remaining ends of the wire intermittently.The speaker should the the cracking noise it is ok. If it is not ok, there wil not be sound o/p. b)The next easy method is to use the multimeter for continuity test.c)The best method is to use the audio generator to test the speaker. Or you can use both the oscilloscope and audio generator to test amplifier and speaker.Thank you.
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