Infos and some links about vacuum tubes.
6146 Family by Glen E. Zook, K9STH >> 
Equivalence tubes EU / US and chart for TV7/U >>>
TV7/U Tube tester chart >>>
Dedicated to Vacuum Tubes
Dedicated to Vacuum Tubes
Infos and some links about vacuum tubes.
6146 Family by Glen E. Zook, K9STH >>
Equivalence tubes EU / US and chart for TV7/U >>>
TV7/U Tube tester chart >>>