OVERVIEW _______________________________________________________________________ 1-2
HELPFUL HINTS __________________________________________________________________ 2-3
FRONT PANEL CONTROLS & FEATURES
THE MODES: NORMAL, TOP BOOST ____________________________________________________3
THE MODES: TWEED, HI 1, HI 2 ______________________________________________________ 4-5
POWER MODES: MULTI-WATT POWER ________________________________________________ 5-6
INPUT _____________________________________________________________________________7
FOOTSWITCH_______________________________________________________________________7
VOLUME / GAIN ___________________________________________________________________ 7-8
TREBLE ___________________________________________________________________________8
BASS ______________________________________________________________________________9
CUT / PULL MASTER _________________________________________________________________9
CHANNEL SELECT _________________________________________________________________10
MASTER: CHANNEL 2 _______________________________________________________________10
POWER: OFF / ON & STANDBY _______________________________________________________10
REAR PANEL CONTROLS, SWITCHES & JACKS
FUSE _____________________________________________________________________________11
A.C. RECEPTACLE __________________________________________________________________11
SPEAKERS ________________________________________________________________________11
FACTORY SAMPLE SETTINGS & PERSONAL SETTINGS SHEETS _______________________ 12-15
TUBE MAINTENANCE & DIAGNOSIS ________________________________________________ 16-17
BIAS ADJUSTMENT: A feature article by Randall Smith _______________________________ 18-20
SPEAKER IMPEDANCE & POSSIBLE HOOK-UP SCHEMES - Amps to Speaker Cab ________ 21-26
TRIODES, PENTODES & IRISHMEN: A feature article on the workings of tubes ____________ 27-29
TUBE DESCRIPTION & TASK CHART __________________________________________________30
PARTS SHEET _____________________________________________________________________31
TABLE OF CONTENTS