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My speaker works great for approximately an hour or so then stays cutting in and out then stops working completely.
I found that one of the leads on coil "L1" has a bad solder joint. This would most likely be why it would work for a while then cut out as the unit heated up. I will resolver and give it a go.
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@bruce66667 this "speaker works great" combined with that "cutting in and out then stops" leads me to believe that this is a power board issue. Possibly a bad MOSFET or other component. Open it up and take a look at the power board Behringer Eurolive B212D Power PCB Replacement for any discolored, odd looking component etc. Post some good pictures of it with your Question. That way we can see what you see. Adding images to an existing question
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@bruce66667 yes, that would definitely be an issue. Let us know if resoldering the inductor resolved the issue.
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