Why my 3500 kr roland piano acting like this?
Hello to all the experts, I have an electric piano 3500 KR and in the lowest octave, it makes a not sharp sound. Whereas in the high octaves it makes a sound like that of an echo. Have you encountered such a phenomenon? Is it because there's a button pressed somewhere? I got the piano so I do not know its functions. Are there any capacitors that need replacing, if so what do you think, or something else thank you very much
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