Screaming Daisy:
I think you pretty much hit it on the head. If you look at the drawings, the Reverb knob is after the Return Circuit.
If you seriously need a loop, you can always have one added. It would lower the resale value unless you sent it back to Mesa though.
"hey monsta, i'll be receiving a 1984 Mark II C+ Coliseum pretty soon. it doesn't have the 5 band graphic eq on it or reverb. are those some things that mesa can mod onto the amp or am i out of luck? if it is possible, how much would it cost?"
They didn't tell me anything. "Phase 1 Technician" pretty much means that I sink or swim. This is their way of seeing how motivated I am and what type of tech I am.
You could call Mesa's customer service on Monday and talk to somebody. They are very friendly.
I would have the mods done at the factory. Cost would be less of a factor for me than resale value. Plus, nobody knows their amps like they do.
I called about some mods that I wanted to do to my DC-3. I was completely on the right track, but the guy warned me that this part of the Power Supply was a bit lacking in current. It had just enough to do what they designed it to do. I altered the footswitch circuit for the EQ to make the EQ show up a bit more. Now I can't use footswitches with LED's. When I do, all the channel switching relay does is chatter. I need to beef up the Power Supply or change the relay to a lower current model.
"what part of new mexico you movin to if you dont mind me asking i live pretty close to silver city"
That's funny, we are moving to Silver City. We have a house there. My wife wants our kids to be closer to their Grandparents. Plus the cost of living here has shot up so dramatically in the last 5 years that it is hard to get by here.
Where do you live? Do you know many guitarists who want a fair deal on repairs, mods, and gear? I'm getting into modding pedals too.
I think there are enough Metal & Country guys (& girls) in the area to support a repair business. It won't be full time, but we will have Ebay stores and I will still do Design & Programming for the Smart House Systems that the company I work for now installs. I've also talked to several other Contractors here about doing some AutoCad and Design work for them. I love the internet, it has created a whole new area of job openings for guys who want to stay home with their kids and run over dinosaurs with Tonka trucks.