Table of Contents
PRECAUTIONS
OVERVIEW ____________________________________________________________________________________ 1-2
INSTANT GRATIFICATION _________________________________________________________________________ 3
FRONT PANEL
INPUT JACK ____________________________________________________________________________________ 3
MUTE SWITCH __________________________________________________________________________________ 3
ACTIVE/PASSIVE SWITCH ________________________________________________________________________ 3
DEEP SWITCH __________________________________________________________________________________ 3
BRIGHT SWITCH ________________________________________________________________________________ 3
INPUT CONTROL (GAIN) & O/D LED ________________________________________________________________ 3
HIGH PASS FILTER ______________________________________________________________________________ 4
VOICING CONTROL ______________________________________________________________________________ 4
BASS CONTROL ________________________________________________________________________________ 4
LOW MID GAIN CONTROL ________________________________________________________________________ 4
LOW MID FREQUENCY CONTROL _________________________________________________________________ 4
HIGH MID GAIN CONTROL ________________________________________________________________________ 4
HIGH MID FREQUENCY CONTROL _________________________________________________________________ 4
TREBLE CONTROL ______________________________________________________________________________ 5
MASTER VOLUME CONTROL _____________________________________________________________________ 5
POWER/PROTECT/LIMIT LEDS ____________________________________________________________________ 5
REAR PANEL
POWER SWITCH ________________________________________________________________________________ 5
IEC POWER INLET _______________________________________________________________________________ 6
COOLING FAN __________________________________________________________________________________ 6
SPEAKER OUTPUTS _____________________________________________________________________________ 6
SPEAKER IMPEDANCE ___________________________________________________________________________ 6
SPEAKER POLARITY (OR PHASE) _________________________________________________________________ 6
IMPEDANCE SELECTOR SWITCH __________________________________________________________________ 6
HEADPHONE OUTPUT ___________________________________________________________________________ 7
MUTE FOOTSWITCH _____________________________________________________________________________ 7
EFFECTS LOOP _________________________________________________________________________________ 7
AUX INPUT _____________________________________________________________________________________ 7
TUNER OUTPUT ________________________________________________________________________________ 7
DIRECT OUT SECTION ___________________________________________________________________________ 7
PRE/POST DI OUT SWITCH _______________________________________________________________________ 7
DI LEVEL SWITCH _______________________________________________________________________________ 8
DI GROUND LIFT SWITCH ________________________________________________________________________ 8
DISCUSSION ABOUT AMPS & CLASS D FROM THE DESIGN TEAM ___________________________________ 10-11
TROUBLESHOOTING _________________________________________________________________________ 12-13
FACTORY SAMPLE SETTINGS ____________________________________________________________________ 14
USER SETTINGS _______________________________________________________________________________ 15
SPECIFICATIONS _______________________________________________________________________________ 16
BLOCK DIAGRAM ______________________________________________________________________________ 17