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Old 9th Oct 2018, 8:48 pm   #21
Join Date: Aug 2008
Location: Taunton, Somerset, UK.
Posts: 90
Default Re: TDA 2030 amp, strange fault

Interesting to read about this because I had trouble with a TDA2050 amp kit I bought from Maplin a few years ago. The fault was opposite to yours in that it oscillated when the volume pot was at minimum and stopped when the volume was increased. Mine had a low-frequency oscillation that would shake the speaker cone and draw a high current. I think I solved it by reversing the polarity of the input capacitor.
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