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I recently noticed this weird "issue" that happens with both of Mark V amps, under the same circumstances. It's on channel 1, using a really clean "fat" John Petrucci clean setting. Have the EQ set to footswitch, with the preset/slider knob set to preset, and the preset depth maxed out. Try...

I have 2 mark V 90 watt amp. A head and a combo. Just went to change tubes on the head and clean it and when removing the chasis it slipped and pulled on and damaged 2 of the ribbon cords. I was confused as to which way the ribbon cords fit back in the amp . So I opened up my combo to...

So I have a fairly new mark v combo. And I've noticed that each slider on the graphic EQ is sort of... crooked, I guess would be the best word? The whole system functions smoothly and correctly. But yea each knob is just a little slanted for some reason. I was wondering if this is somewhat...

I've had my Mark V for months now and I love it. I am however confused by a design feature. And that would be the power/variac switch. It's made to seem like you could switch between the two without turning off the amp. But the "off" is in the middle. I've been told this is ok to do. However...

I'm not new to tube amps, but given how nice this amp is, and how much there is to do with this amp I wanted to make sure I don't unknowingly damage something. Most of my questions were answered by the (fantastic) manual. But, I could not find answers to the following, and was hoping for your...