M mosen New member Sep 7, 2010 #1 ...(rattling) a few days ago? The speaker is knocking even when the radio is off. Does any one know if it is related to the amplifier, it has a loose grounding or any thing else? Any help would be appreciated.
...(rattling) a few days ago? The speaker is knocking even when the radio is off. Does any one know if it is related to the amplifier, it has a loose grounding or any thing else? Any help would be appreciated.
