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MESA-BOOGIE MARK III

OPERATING INSTRUCTIONS

MESA
ENGINEERING
CONGRATULATIONS! You've just become the proud owner of the world's finest guitar amplifier. When people come up to compliment
you on your tone, you can smile knowingly ... and hopefully you'll tell them a little about us! This amplifier has been designed, refined
and constructed to deliver maximum musical performance of any style, in any situation. And in order to live up to that tall promise, the
controls must be very powerful and sophisticated. But don't worry! Just by following our sample settings, you'll be getting great sounds
immediately. And as you gain more familiarity with the Boogie's controls, it will provide you with much greater depth and more lasting
satisfaction from your music.
THREE MODES
For approximately twelve years, the evolution of the guitar amplifier has largely been pioneered by MESA-Boogie. The Original Mark I
Boogie was the first amplifier to offer successful lead enhancement. Then the Mark II Boogie was the first amplifier to introduce
footswitching between lead and rhythm. Now your new Mark III offers three footswitchable modes of operation: Rhythm 1, Rhythm 2
and Lead.
Rhythm 1 is primarily for playing bright and sparkling clean (although a little crunch is available by running the Volume at 10). You
might think of Rhythm 1 as "the Fender mode".
Rhythm 2 is mainly for crunch chords, chunking metal patterns and some blues (but low settings of the Volume 1 will produce an
alternate clean sound that is very fat and warm). Think of Rhythm 2 as "the Marshall mode".
The third mode is by far the most radical, and its two separate knobs will deliver the most lethal crunch or the smoothest, most vocal
sounding lead sustain. This mode is pure MESA-Boogie. Try as they might, no one else can touch this sound!
THE CONTROLS
Let's review the controls now, one at a time, to learn their various functions and see how they interact. Remember that the settings
listed are approximate.
VOLUME 1 This control is active in all three modes. It establishes the amplifier's basic gain, or sensitivity to your guitar's output. Most
players find a "sweet spot" around 7 which enables the amp to footswitch best between all three modes. Generally speaking, you
should find the highest setting possible that still gives you the desired degree of cleanliness in the Rhythm 1 mode. This allows you to
have the strongest possible signal feeding into the other two modes.
The response of the Volume knob increases rapidly above 7. You can also back off your guitar's volume slightly if you want to run the
amp Volume higher or if your pickups are real hot. Adjusting your pickup height from the fret board can make a big difference. Higher
settings (of everything) unleash a stronger response from Rhythm 2. All-out metal die-hards (who probably won't use Rhythm 1
anyway) may want to dial the Volume up to 9 or 10 for a heavy grinding "krang" similar to a great (or customized) Marshall. And yet
lower settings of the Volume will enable both rhythm modes to play clean, each with its own distinctive voicing.
The PULL BRIGHT adds sparkle to a clean Rhythm 2 sound and adds shimmer to a clean Rhythm 1 sound, producing the ultimate
Fendery Strat sound for funk riffs, country and pop rhythm playing. The effect of the Pull Bright diminishes as Volume 1 is turned up
and has no effect when the Volume is at 10
RECOMMENDED SETTING: 7, pulled out.

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Summary of Contents for Mesa/Boogie Mark III

  • Page 1: Operating Instructions

    MESA-BOOGIE MARK III OPERATING INSTRUCTIONS MESA ENGINEERING CONGRATULATIONS! You've just become the proud owner of the world's finest guitar amplifier. When people come up to compliment you on your tone, you can smile knowingly ... and hopefully you'll tell them a little about us! This amplifier has been designed, refined and constructed to deliver maximum musical performance of any style, in any situation.
  • Page 2: Recommended Setting

    TREBLE This control is the most powerful of the three tone controls. At high settings (8 and above) it will minimize the effect of the Bass and Middle, but they will become the stronger controls when the Treble is below 5. Again, most players find a sweet spot in the 6 to 8 range.
  • Page 3: Graphic Equalizer

    RECOMMENDED SETTING: Your choice-try 5. LEAD MASTER This control regulates the loudness and is active in the Lead Mode only. Because it works at the same time as the regular Master, whichever one is set lower will determine the maximum Lead Mode loudness. Its built-in Pull-Bright is only active for the Lead Mode and is intended to add brightness when playing at softer volumes.
  • Page 4 Most Marshall 4x12 cabinets are 16 ohms. By wiring all four speakers in parallel, you can reduce the cabinet impedance to 4 ohms (assuming the speakers are 16 ohms each). A MESA/Boogie 4x12 cabinet comes...
  • Page 5 Boogie have chosen the Simul-Class power design! NOTE: In the past, MESA/Boogie advertised the "interchangeable power tubes" feature of the Mark III Simul-Class. We told players that they could use either EL-34's or 6L6's in the outer (Class A) power sockets. However, in recent years we've observed a much greater reliability factor with the use of EL-34's in these outer sockets, with much fewer incidents of tube failure.
  • Page 6: Preamp Tubes

    MESA-BOOGIE MARK III MAINTENANCE AND SERVICE GUIDE Like all tube amplifiers, the Boogie requires some maintenance from time to time. But unlike solid-state equipment the Boogie is user maintainable and user friendly at maintenance time. Ninety percent of "problems" can be remedied by simply changing one or more tubes.
  • Page 7: Power Tubes

    CALLING IN TO BOOGIE Can you call Marshall? Roland? Peavey? Fender? No. But you can call MESA/Boogie. We back you up and we back our equipment up. We want you to be totally knocked-out with your Boogie's performance and we're glad to help keep it that way. All we ask is that...
  • Page 8 technician. Remember, in 90% of the calls we receive, we answer questions and repeat instructions that were already discussed here. If these procedures fail to cure your problem, then by all means call us and state that you have a technical problem that you can't solve by following the maintenance sheet instructions.
  • Page 9 Mark III Sample Settings Page 1 Rock Clean Rhythm / Distorted Lead STYLE NAME PRESCENCE REVERB INPUT PULL BRIGHT PULL SHIFT PULL SHIFT PULL RHYTHM PULL DEEP PULL LEAD PULL BRIGHT EQ AUTO FOOT SWITCH EQ IN STANDBY POWER VOLUME TREBLE BASS MIDDLE...
  • Page 10 Mark III Sample Settings Page 2 Blues Clean Rhythm / Sweet Lead STYLE NAME PRESCENCE REVERB INPUT PULL BRIGHT PULL SHIFT PULL SHIFT PULL RHYTHM PULL DEEP PULL LEAD PULL BRIGHT EQ AUTO 2 4 - FOOT SWITCH EQ IN STANDBY POWER VOLUME...

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