Mesa/Boogie II User Manual
Page 3
Precautions
OVERVIEW ____________________________________________________________________ 1-4
HELPFUL HINTS _________________________________________________________________ 3
INSTANT GRATIFICATION __________________________________________________________ 4
FRONT PANEL CONTROLS & FEATURES
INPUT __________________________________________________________________________ 4
FOOTSWITCH ___________________________________________________________________ 4
DRIVE __________________________________________________________________________ 5
CHANNEL SELECT _______________________________________________________________ 5
DRIVE / CLEAN __________________________________________________________________ 5
THICK / NORMAL / THICKER _______________________________________________________ 6
GAIN _________________________________________________________________________ 6-7
TREBLE / MID / BASS / PRESENCE ________________________________________________ 7-8
MASTER ________________________________________________________________________ 9
30 WATTS / 15 / 5 WATTS: Channel Power Select ____________________________________ 9-10
OUTPUT & SOLO CONTROLS _____________________________________________________ 10
POWER ON / STANDBY ON _______________________________________________________ 11
REAR PANEL CONTROLS, SWITCHES & JACKS
FUSE __________________________________________________________________________ 12
FX LOOP: Series _____________________________________________________________ 12-13
REVERB _______________________________________________________________________ 13
CHANNEL & SOLO: External Switch Jacks & FAN ON/OFF Switch ______________________ 13
SPEAKERS & SLAVE ___________________________________________________________ 14
REVERB REMOTE JACK __________________________________________________________ 14
FACTORY SAMPLE SETTINGS & PERSONAL SETTINGS SHEET _____________________ 15-17
TUBE MAINTENANCE & DIAGNOSING TUBE FAILURE ______________________________ 18-19
TUBE DESCRIPTION & TASK CHARTS ______________________________________________ 20
SPEAKER IMPEDANCE & POSSIBLE HOOK-UP SCHEMES - Amps to Speaker Cabs ____ 21-26
BIAS ADJUSTMENT: A feature article by Randall Smith ____________________________ 27-29
TRIODES, PENTODES & IRISHMEN: A feature article on the workings of tubes _________ 30-32
PART SHEET ___________________________________________________________________ 33