Recent content by McFriedy

I feel the same way about the FU-3. I love the fact that the Mark IV comes with a dedicated foot switch, but the cord is a pain in there butt and it takes up way too much room on my pedal board. So I ordered one of these (btw: the cord is removable)...

Sounds like you should replace the power tubes to begin with and then go from there.

This is so freekin' awesome!

Hi all! Does anyone know where I can find a .pdf (or any graphic file) of the top card that came with the Mark IV? I'd love to print one out for myself for reference as I'm get to know the amp. Thanks!

Thanks everyone! I think I'll spring for a new set of tubes and go from there. The previous owner said he didn't replace them, and he's had it for a few years, so I guess it can't hurt!

Thanks for the replies! The amp is over at the practice space right now, so I'll check out your suggestions when I'm there tomorrow night. I do remember checking out the V4 valve, and I can confirm it's a 12AT7. All the tubes are Mesa branded, so I guess it's possible these are the original...

Hi all! I'm the brand new owner of a Mk IVa that is beautiful condition. I've been scanning the posts for tips and ideas and everything I've read has really helped me feel comfortable with the amp as I take her through her paces. One thing I've noticed is that, as I turn up the reverb, there...