Table of Contents
CHAPTER 1
.......................................................................................................................................1
I
NTRODUCTION
....................................................................................................1
Symbol Conventions used in this guide ..................................................................................1
Electrical Safety Notice
...........................................................................................1
Water and Moisture
...................................................................................................1
Location and Ventilation
........................................................................................2
Servicing
...........................................................................................................................2
Operational Warnings
.............................................................................................2
CHAPTER 2
.......................................................................................................................................3
G
ETTING
S
TARTED
.........................................................................................3
Unpacking the MB-125 from its box
................................................................3
The MB-125 Front Panel
.......................................................................................4
Check for tube placement.......................................................................................................4
MB-125 Back Panel
...................................................................................................5
The MB-125 Back View ....................................................................................................................5
Connecting Your Amplifier to your system
..................................................5
Voltage Setting
.............................................................................................................6
Power Source for your Amplifier
......................................................................6
CHAPTER 3
.......................................................................................................................................7
O
PERATING THE
A
MPLIFIER
..............................................................7
Powering your system on
.......................................................................................7
Ground Loop Hum
.....................................................................................................8
Powering the system off
..........................................................................................8
Tetrode-Triode Switching
......................................................................................8
Bias Checking and Setting
.....................................................................................8
Top view and Bias Measurement points of the MB-125 Amplifier .................................................11
CHAPTER 4
.....................................................................................................................................12
MB-125 Owner’s Manual
VTL
i
