I managed to get a GFA 555-II. This is a rally beefy amp. Amazing headroom.
BUT I have a slight hum when there is no music signal. Is this one of this ground probs?
What can I do?
Thanks for help.
I managed to get a GFA 555-II. This is a rally beefy amp. Amazing headroom.
BUT I have a slight hum when there is no music signal. Is this one of this ground probs?
What can I do?
Thanks for help.
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