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my amplifier is receiving sound from my sorrounding?
my amplifier is receiving sound from radio station in my sorrounding. I couldn't do my programme b/se the amplifier amplifies or gives voice from the radio instead of my voice. How could I filter the signal? or how could I make only my voice to be heard by the audience. I will appreciate if any one could help me to suppress the unwanted signal.
If I understand your question, you live near a radio station, and that station's broadcast signal is being picked up by your stereo and can be heard in the background on your speakers, right? If that's the case, your simplest solution would be to disconnect your tuner from your amplifier. I'd guess the radio signal is being picked up by your tuner and is coupling with your voice signal inside your amplifier. If you disconnect your tuner from your amp, the problem should go away. You should still be able to plug your microphone into your amp so you can speak to your audience.
If the radio station signal is being picked up by the circuitry inside your amp, there's nothing you can do about it without redesigning your amp, but I doubt that would be the case. Amplifiers don't have circuitry that is able to demodulate broadcast radio signals.
If you have a receiver instead of a separate tuner and amp, disconnect the radio antenna from the receiver to see if that helps. If it doesn't, all I can suggest is buying a higher quality stereo (that doesn't pick up stray signals so easily) or moving further away from the radio station.
Sorry I couldn't give you a better answer, but you didn't describe your problem very well...
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