VAC PA160 Mk I - Manual

1
VAC PA160 "UNIVERSAL" MONOPHONIC POWER AMPLIFIER
Operating Instructions
Index:
Introduction 2
Unpacking 3
Installation 3
Operation 4
Bias Adjustment 4
Fine Tuning Your System 5
Operating Mode 5
Feedback 6
Ground Configuration Switch 6
Load Impedance 7
Sonic Troubleshooting 7
Tube Selection 8-10
Installing New Tubes 11
Care of Chassis 12
How to Contact VAC 12
Specifications 13
Location of Tubes & Controls 14
Warranty Information 15
Registration Form 15
DO NOT OPEN THIS UNIT - THERE ARE NO USER SERVICEABLE
PARTS INSIDE. DO NOT REMOVE THE BOTTOM PLATES. LETHAL
VOLTAGES ARE PRESENT WITHIN THE CHASSIS. DO NOT EXPOSE
THIS UNIT TO MOISTURE OR OPERATE IT IF WET.
VACUUM TUBES BECOME HOT ENOUGH TO CAUSE SERIOUS
BURNS. NEVER TOUCH A TUBE WHEN THE UNIT IS ON. IT MAY
TAKE SEVERAL MINUTES FOR THE TUBES TO COOL DOWN AFTER
THE UNIT IS SWITCHED OFF.
DO NOT PLUG INTO AN AC SOURCE UNTIL ALL CONNECTIONS ARE
COMPLETED.