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You can email me at [email protected] You can try going here for pics http://img.photobucket.com/albums/v441/retrobob/MVC-538F.jpg

Will Mesa Boogie sell parts such as caps ect? I also have a broken pilot light that needs replaced.

I usually don't like to attenuate a master volume amp. But This Mark I is loud on 1 and WAY loud on 2. I couldn't imagine turning it to 10 :shock: The tone really kicks in at about 2, but may be a bit loud in some venues. Anyone have good results using an attenuator on one of these monster...

Yeah, so I found out the amp I just bought is a 70s Mark I combo equipped with a EV SRO speaker. At first I had trouble dialing in a good tone. I think the trick is not to turn both preamp vols up too high. I took out the Chinese tubes and put in a pair of NOS Tung Sol 5881s and some good USA...

What exactly is the difference between a Mark I and a Mark II? I just picked one up, Has 6/77 written on the bottom of the chassis in green marker. Dymo lables in back. 2 power tubes, no reverb,2 inputs 2 vol, 1 master, treb, bass & mid. Presence in the back and another knob that is a direct...