Table of Contents
Precautions
Overview & Instant Gratification _________________________________________________________ 1-3
Helpful Hints _________________________________________________________________________ 4
THE MODES:
Channel 1: Fat Clean / Tite Clean / Crunch _________________________________________________ 4-5
Channel 2: Crunch / Tite Clean / Fluid Drive _______________________________________________ 6
FRONT PANEL CONTROLS & SWITCHES:
Gain, Treble / Mid / Bass ________________________________________________________________ 7-8
Presence / Master _____________________________________________________________________ 9
Rectifier Select: Diodes / Tube Rectifier ___________________________________________________ 9
Channel Select ________________________________________________________________________ 10
Output Control ________________________________________________________________________ 10
Solo Control __________________________________________________________________________ 10
Standby _____________________________________________________________________________ 11
Power: ON / OFF / SPONGY _____________________________________________________________ 11
REAR PANEL CONTROLS, SWITCHES & JACKS
Slave ________________________________________________________________________________ 11-12
Speakers _____________________________________________________________________________ 12
Channel Solo: External Switch Ports _____________________________________________________ 12
FX Loop _____________________________________________________________________________ 12-13
FX Return As A Power Amp Input ________________________________________________________ 13-14
AC Receptacle ________________________________________________________________________ 14
Fuse ________________________________________________________________________________ 14
Serial Number ________________________________________________________________________ 14
Factory Sample Settings ________________________________________________________________ 16-17
Personal Settings Page _________________________________________________________________ 18
Tube Noise & Microphonics _____________________________________________________________
19
Diagnosing Power Tube Failure __________________________________________________________ 19
Diagnosing Pre Amp Tube Failure ________________________________________________________ 20
Speaker Impedance Matching & Hook-up Guide ____________________________________________ 21-26
Bias Adjustment: A feature article by Randall Smith ________________________________________ 27-29
Triodes, Pentodes & Irishmen: A feature article by Randall Smith ______________________________ 30-32
Tube Task Chart _______________________________________________________________________ 33
Part Sheet ____________________________________________________________________________
34