PeterAmsterdam Posted October 28, 2023 Share Posted October 28, 2023 Hi all. I have owned a Line 6 LD300 Pro since 2012. Actually from the beginning I have been having problems with the control knobs. Therefore, the amplifier serves mainly as a stand for my TV. Problem is that the channel knob changes position without me touching it, the output volume is suddenly extremely loud and so on and so on. If I change settings or choose a particular channel, it goes fine for a few seconds/minutes, and then the amp switches to another channel spontaneously. Reset to factory-settings I have done several times (ON+ChanA) but that doesn't solve anything. Does anyone know if there is anything that can be done about this? Can this be repaired by an expert or is it a software problem and might require replacing the entire circuit board? Super thanks in advance. Quote Link to comment Share on other sites More sharing options...
psarkissian Posted November 1, 2023 Share Posted November 1, 2023 Contact the authorized service center in your area. Something that old may have some intermittent solder point or loose retainer nut causing an intermittent ground point. https://line6.com/find/service_center/ Quote Link to comment Share on other sites More sharing options...
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