Top Positive Review for Amplifier on Banggood|Shopping Philippines

17% OFF BT-298A 12V 220V HIFI Audio Stereo Power Amplifier bluetooth FM Radio 2CH 600W US$54.99 US$65.99 View It

Overall:

Tony 18/01/2022

L'ho collegato ad un amplificatore molto più potente e usando la presa 220v il trasformatore interno genera un campo magnetico che genera interferenze e rumore dalle casse, risolto usando un alimentatore esterno 12v (non fornito). In più anche la carcassa stessa dell'amplificatore riceve interferenze di corrente dal circuito stampato interno generando anch'esso rumore che si sente dalle casse, si risolve facendo la messa a terra della carcassa oppure eliminando la vite interna che collega il circuito stampato alla carcassa stessa, in poche parole isolando l'uno dall'altro. Per questi motivi se avessero avuto qualche accorgimento in più sarebbe stato meglio.

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