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Mesa/Boogie Mark III User Manual

Mesa/Boogie Mark III
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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. Along with the Volume 1 sweet spot, these are the two most critical settings for maximum footswitching performance in all
three modes. The most hardcore metal tones may come at higher settings than the best jazz tones--but we have yet to find a player
who needs to footswitch instantly back and forth from Wes Montgomery to Motorhead! So don't worry about these sweet spots being
too restrictive or too hard to find. Many players alternate between Lead and just one or the other of the Rhythm modes. And top 40
players usually have no trouble switching among all three modes. All players can, of course, enhance performance by switching
pickups and/or adjusting their guitar's volume control.
The TREBLE SHIFT is one of the programmable controls. When pulled out, the effect becomes linked to the footswitch control buss
and automatically increases the upper-midrange drive in the Lead Mode only Treble Shift has no effect in either of the rhythm modes.
RECOMMENDED SETTING: 7, pulled out.
BASS This is a wide-ranging control that is very easy to use. Most players prefer to operate the Bass in the 0 to 4 range, pulled out for
single coil and pushed in for humbucking pickups. Higher settings of the Bass are good with very bright guitars like Telecasters, but
excess settings of Bass (especially with Humbuckers) can cause the Lead sound to become tubby and blurred.
RECOMMENDED SETTING: with Strat type, 4, out; with dual coil, 0-2.
MIDDLE This is the weakest of the three tone controls. Although its action may not seem dramatic, it will add in mid-range warmth
under normal settings of Treble and Bass. Its Pull-Switch activates the Rhythm 2 circuitry, which can also be controlled by the (optional)
Rhythm 2 footswitch. Top 40 players and others who need to footswitch between all three modes will definitely want this footswitch.
Many other players are content to footswitch between a clean and a lead (Rhythm 1 to Lead) or between a crunch and a lead (Rhythm
2 to Lead). When this is the case, the standard Lead/Rhythm footswitch can be used for switching back and forth while the appropriate
rhythm mode is selected by the pull switch on the Middle control.
RECOMMENDED SETTING: 5.
MASTER This control regulates the overall amplifier loudness and it remains functional in all modes. If it is set extremely low, it will
seem to reduce the loudness available from the Lead Mode. This is normal and not a problem since it can help to spread out the action
of the Lead Master. And at any setting, it is still possible to adjust the Lead Master so it can be louder, softer or the same as the
Rhythm loudness. When switching to Rhythm 2, automatic circuitry maintains the same level of Effects Send strength and loudness so
that a separate "Rhythm 2 Master" is not required.
The PULL DEEP built into the Master, is another simple and self explanatory control. Its main usefulness is in adding fatness and body
to single coil pickups.
RECOMMENDED SETTINGS of Master: usually around 1/2 to 3 1/2, rarely over 5 and never above 6 unless the Volume 1 and Lead
Drive controls are being turned down at the same time. At Master settings above 3, the Lead Bright should be pushed in.
LEAD DRIVE This knob adjusts the gain, sustain and sensitivity of the Lead Mode. Although it is responsive to the setting of Volume 1,
its range is so great that there is usually more than enough drive available regardless of how low Volume 1 is set. At very low settings
of Lead Drive it is still possible to obtain a relatively clean sound in the Lead Mode. Moderate settings (around 2 to 3, Treble Shift in)
produce a good blues sound...like a Fender turned up full ... and yet the authentic stringy sound of the guitar still comes through. As the
Lead Drive is increased, an entire musical range of great sustain and rich distortion harmonics is produced.
The PULL switch built into the Lead Drive control duplicates the function of the Lead/Rhythm footswitch. This separate switch is a
useful backup in case you lose your footswitch box or just don't need to change modes very often. The footswitch will work only when
the Lead Drive control is pushed in.

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Mesa/Boogie Mark III Specifications

General IconGeneral
BrandMesa/Boogie
ModelMark III
CategoryMusical Instrument Amplifier
LanguageEnglish

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