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Thanks for the feedback. The amp is great.
On the cabinet, the holes are usually tight fitting, but they could be a bit loose allowing the head pull in. I / you can look for a Truss head machine screw 10-32 x 1-1/4. This is a wider than normal sized head.
For the feet, they are probably screwed into the seam and that can cause some irregularities. See what the gap is on a flat floor and then maybe put a washer between the foot rubber and the cabinet to shore it up. Or we can send another foot (I don't expect that to solve the problem though.)

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Stephen
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