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
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