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EJ 2
HA-S
NUTUBE HEADPHONE AMPLIFIER KIT
Table of Contents
Main features .......................................................................2
Cautions Before Assembly.................................................5
Tools to prepare................................................................................... 5
Checking the parts .............................................................................. 5
Assembly .............................................................................6
Preparing the main circuit board and Nutube circuit board ..... 6
Install the main circuit board into the case .................................. 8
Part Names and Functions ............................................... 11
How to Use the Nu:Tekt HA-S ........................................... 11
Adjusting the main circuit board ..................................... 11
Troubleshooting ................................................................. 12
Replacing the operational amplifier ................................ 12
Specifications .................................................................... 12
Mounting Diagram ............................................................. 13
List of mounted parts ....................................................... 14
CIRCUIT DIAGRAM ........................................................... 16
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