Oct 28, 2011 · If you have been reading up to this point, I wish to clarify that ALL Mesa Boogie amps DO NOT arch and burn. Only some of them, which generally have been exposed to high …

Oct 10, 2013 · Here's the MB .50 Cal+ schematic redrawn by yours truly. It was copied from typical rough hand-drawn schematics that float around on the 'net. I can't guarantee it is 100% …

Mar 25, 2012 · The Studio/Caliber series are killer amps IMHO. They've got the most Marshall in them of any Mesa amps I've tried, but still have a solid Mesa tone as well. There were two …

Oct 31, 2015 · I've tried building a replacement footswitch for a Mesa Boogie Caliber 50+ using two standard switches (the switches connect ground to wire each and have a LED+matching …

Dec 10, 2008 · I have a Mesa 50 caliber + that has a problem with volume/gain. Power section is fine. Tubes are good. Loop is good. Amp sounds nomal except that after about 50% on the …

May 7, 2013 · Mesa .50 Caliber + Fried resistors 05-07-2013, 08:30 PM ... Mesa Boogie 50 Caliber+ Schematic Schematic. ...

Apr 26, 2018 · I recently acquired a Mesa .50 Cal. + Combo. The amp come without a reverb tank. Ordered correct new tank with new cables... no reverb . Change out AT7 in V4 ... no …

Jul 31, 2016 · I have a Mesa Boogie 50 caliber + head that recently developed noise problems. The amp is quiet with no cable inserted but gets noisy with the guitar plugged in The first thing …

Aug 23, 2009 · Hey all! I've got an Mesa Caliber 50 in that works like a charm EXCEPT for the FX loop. OK, it does it's function BUT with some effects it'll squeel like a pig (mostly with digital …

Jun 3, 2011 · Yes, on this topic can be upload all technical documentation for mesa boogie. ... 50 Caliber 50 Caliber ...