Mark VII combo issue

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Sep 27, 2023
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So I purchased a Mark VII a couple weeks ago and all has been well until last night. The combo speaker starts to cut out when playing through it. Any idea what this may be? If I plug in an external cab, it does not do it. The external cab produces beautiful sound with no issues. I think I may have to return this thing?
Try checking your combo speaker cable, and solder connections to the speaker. Play a cord and jiggle the cable. To be safe, you can plug your other cab to one of the four ohm jacks, and the combo speaker to the other four ohm jack.
Welcome to the forum.

If the amp works fine with another cabinet there is nothing wrong with the amp.

Are you in the USA? Could be a bad plug on the speaker cable, easy fix under warranty. If the speaker is DOA that’s another easy fix under warranty.


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