Used by a wide variety of artists such has Rollins Band, Sublime, Soundgarden, 311, Jeff Buckley, Foo Fighters and No Use For A Name, the Revision G began life with a small logo before transitioning to a large Mesa badge, several hundred amps into the run. Revision G is the classic Rectifier sound that most of us think of when referencing the Rectifier Series: big, robust low end with loads of gain and volume to back it up. Very late into the Rev F run, the Tremoverb makes its first appearance in June of 1993 (the vast majority of Tremoverbs are Rev G tho). Sounds almost boosted plugged straight into the amp. Sonically, the Rev F has a throaty low mid grunt along with a much tighter low end response that metal players find especially useful. #3000) you also see the introduction of the Parallel FX Loop. This circuit is very close to a Rev G but with a different value Presence pot and a few other component values.
MESA BOOGIE SERIAL NUMBER LOOKUP SERIAL
The earlier Mark III Output and Power transformers were also phased out around serial 1300-1500 in favor of the 562105 Output and 561140 Power Transformers that would be carried over into the Rev G amplifiers. The earliest Rackmount Rev F I have found is #829. Additionally, a rackmount version of the Dual Rectifier was now available for 1993 and came in black on black color config but could have a Chrome chassis for an additional $100. Rev F also saw the introduction of the all-new Triple Rectifier, the 150 watt behemoth that was so named not because it had three rectification modes but simply because it was a more powerful version of the 100 watt Dual Rectifier. The clean channel now used one side (or half) of each preamp tube position to create its Clean Channel, which brought with it improved dynamics, clarity and less grit. Revision F was a big change for the Rectifier circuit. This site will be continually updated as well.
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The information found here is based on years of research and direct conversations with folks at Mesa Boogie. The initials 'GM' are found on the vast majority of the 2 channel Rectifiers and these initials belong to George Mueller, with MB (Mike Bendinelli) also initialing off the builds. The Clean channels experienced the most changes and this would in turn affect the dirty channel to varying degrees.
MESA BOOGIE SERIAL NUMBER LOOKUP SERIES
So why all the revisions? Well, Mesa Boogie were never shy about improvement to any of their amplifier circuits (ref: the Mark Series for example), and while internet forums and Facebook Groups love to talk about how different each Revision is, the truth is all of the various Revisions are pretty similar in the Gain channels. This site was created to help document the various revisions and changes that occurred from 1992 until late 1999/early 2000 when the three channel Rectifiers were released. Welcome to the Mesa Boogie Rectifier Guide for the 2 channel Dual & Triple Rectifiers.