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#1 |
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diyAudio Member
Join Date: May 2006
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I have 3 of the Trends TA-10 amplifiers which I upgraded with the Audio-Magus Tweakit 2 kits. I have had them for a couple of years now.
Once in a while (maybe every couple days that I hear), they will produce a pulsing tone (maybe 300 Hz or so) for a few seconds. All 3 of them have this issue. Any ideas about what might be going on? |
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#2 |
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diyAudio Member
Join Date: Dec 2010
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Those probably pick up noise/signal from some outside source. Mobile phone, wlan, radar. Could be anything.
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