A and T Labs
K6 Audio Power Amplifier Assembly Manual
2001 A and T Labs Inc.
AMK6a
i
Table of Contents
Table of Contents .....................................................................................................................................i
1. INTRODUCTION .................................................................................................................................1
2. HOW IT WORKS - CIRCUIT OVERVIEW ...........................................................................................1
2.1 AMPLIFIERS..................................................................................................................................1
2.2 INVERTER POWER SUPPLY........................................................................................................4
3. CONSTRUCTION................................................................................................................................4
3.1 AMPLIFIER BOARDS ....................................................................................................................6
3.2 INVERTER POWER SUPPLY......................................................................................................10
3.3 HEAT SINKS AND MECHANICAL ASSEMBLY............................................................................12
3.4 POWER SUPPLY FLANGE MOUNTED COMPONENTS.............................................................13
4. TESTING...........................................................................................................................................13
4.1 INVERTER TESTING...................................................................................................................13
4.2 ALTERNATIVE INVERTER TESTING CHECKLIST (If an oscilloscope is available) ....................14
4.3 AMPLIFIER TESTING..................................................................................................................15
5. FINAL ASSEMBLY ............................................................................................................................16
6. OPERATING HINTS..........................................................................................................................17