There are many causes of buzz, so it should be checked step by step : - Bad connection on the input connector, or cord. - Amplifier, basically have the block diagram like this: If in one block damage, buzz can be heard.In the amplifier. Generally occurs in the PSU and / or power amplifiers. Fix it to the experts,because it requires a good knowledge of electronics. Blown speaker cone, does not cause a buzz. Short circuit along the wires supplying the audio, it will not cause any sound in the speakers, including the sound of music. Try also, disconnect the input connector, whether the buzz is still audible. If after the input connector is removed, the buzz disappears, the possibility of buzz came from another device before the amplifier.
Answers & Comments
There are many causes of buzz, so it should be checked step by step :
- Bad connection on the input connector, or cord.
- Amplifier, basically have the block diagram like this:
If in one block damage, buzz can be heard.In the amplifier.
Generally occurs in the PSU and / or power amplifiers.
Fix it to the experts,because it requires a good knowledge of electronics.
Blown speaker cone, does not cause a buzz.
Short circuit along the wires supplying the audio, it will not cause any sound in the speakers, including the sound of music.
Try also, disconnect the input connector, whether the buzz is still audible. If after the input connector is removed, the buzz disappears, the possibility of buzz came from another device before the amplifier.
Bad connection / mark positive and negative to make sure they are correct
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