AMERITRON AL-572, Instruction Manual

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Ameritron AL-572 Instruction Manual
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Table of Contents
Introduction ................................................................................................................................. 1
Unpacking Instructions................................................................................................................ 2
Features ....................................................................................................................................... 3
AL-572 Technical Specifications ................................................................................................ 4
Input ................................................................................................................................ 4
Output.............................................................................................................................. 4
Efficiency ........................................................................................................................ 4
Power Supply .................................................................................................................. 4
Tube................................................................................................................................. 5
Metering .......................................................................................................................... 5
ALC ................................................................................................................................. 5
Relay................................................................................................................................ 5
Connectors....................................................................................................................... 5
Physical ........................................................................................................................... 5
General Information .................................................................................................................... 6
Safety Interlock ............................................................................................................... 6
Peak Envelope Power vs. Average Power....................................................................... 6
Circuit Descriptions..................................................................................................................... 7
ALC ................................................................................................................................. 7
Dynamic Bias .................................................................................................................. 7
Wattmeter Circuit............................................................................................................ 8
Power Supply .............................................................................................................................. 8
Filament Supply .............................................................................................................. 8
Plate (HV) Supply ........................................................................................................... 8
Meters.......................................................................................................................................... 8
Current Meter (plate and grid)......................................................................................... 8
Multimeter....................................................................................................................... 9
Multimeter Functions .......................................................................................... 9
HV ........................................................................................................... 9
REF.......................................................................................................... 9
ALC ......................................................................................................... 10
ALC SET................................................................................................. 10
Tube Life ..................................................................................................................................... 10
Export Modifications .................................................................................................................. 11
Technical Assistance ................................................................................................................... 12
Notes................................................................................................................................ 12
Installation Guidelines And Suggestions .................................................................................... 13
Location Of The Amplifier.............................................................................................. 13
Ventilation....................................................................................................................... 13
Power Connections.......................................................................................................... 13
Grounding........................................................................................................................ 14
Transformer Connections ................................................................................................ 15
Interconnections .......................................................................................................................... 16