Vacuum Tube Set - for calibrating TV-7 Testers
This is a set of measured vacuum tubes for use in TV-7 vacuum tube tester calibration. The values for each vacuum tube will be measured and included for the purpose of calibrating your own TV-7 tester at home.
Steps for this calibration can be found online. Three tubes will be included:
These tubes are tested at the following settings:
Note that brands are not guaranteed to match photograph. These calibration sets are not eligible for returns/refunds.