S-400 Amplifier Owner’s Manual
VTL
iii
C
ARE AND
M
AINTENANCE OF YOUR
VTL
AMPLIFIER
.................................................................................................. 47
Break In Period .......................................................................................................................................................................... 47
Tube Life..................................................................................................................................................................................... 47
Changing Tubes .......................................................................................................................................................................... 48
Changing the Screen, Plate, Logic, B+ Input, Filament Fuses .................................................................................................. 51
Cleaning ..................................................................................................................................................................................... 52
Troubleshooting.......................................................................................................................................................................... 52
CHAPTER 5
....................................................................................................................................................................... 55
S
PECIFICATIONS
.......................................................................................................................................................... 55
CHAPTER 6
....................................................................................................................................................................... 57
W
ARRANTY
................................................................................................................................................................. 57
APPENDIX
......................................................................................................................................................................... 58
Appendix I: Quick Reference - Summary of indicators.............................................................................................................. 58
Appendix II: Individual tube hour log ....................................................................................................................................... 60
Warranty Registration ................................................................................................................................................................ 61
Service Notes .............................................................................................................................................................................. 61