Mesa/Boogie Mark 5, Owner'S Manual, Page: 14 / 70

Make Sure The BIAS SWITCH (far right facing Rear Panel) Is Set To Match The Tubes In Use…ALWAYS! It is a good idea to Check 17.
This Switch after each time you transport your amplifier as it may get bumped and accidentally switched to an improper setting.
NOTE: Running the wrong BIAS setting can damage your amplifier and lead to unnecessary down time and costly repairs.
Your 18.
MARK V
will sound better and feel better to play if you have at least one speaker cabinet (the combo or an Extension cabinet)
touching the floor you are standing on while you play. The coupling effect and especially the transmission of bass frequencies will
cause the amp to sound fatter and the strings to feel more substantial and tangible when the amp (or cab) sits on the floor Wood
floors (like stages) are really great! Let’s face it… the guitar can be one of those weird instruments that rarely feels the same
way two days in a row - night to night, from room to room…we can use all the help we can get. This usually helps… with the only
exception being a stage filled with too many live mics…sometimes then you are forced to lift the amp to the coupling effect.
Try TWEED POWER (Front Panel POWER switch down) when you want to clip the two CLEAN Modes in Channel 1 at lower 19.
volumes. Using this in combination with the 45 and 10 Watt Power Modes can produce some sweet threshold-of-distortion,
vintage break-up sounds.
Use the STANDBY switch every time you power-up, during set breaks, cable hook-ups and anytime you are not playing for a few 20.
minutes. Doing so will increase the toneful life of your tubes.
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