EL41 Telefunken original sealed, NOS NIB tube
20,00 €
However these differences shall not be significant (usually within 15%), and when done right, won't show a bad tube as good, or a barely good tube as very strong. Usually above 80-90% of nominal we say it is Strong (or NOS), and above 60% it is still Good.
Jetzt bei Ebay:
![Produktbild - EL41 TELEFUNKEN, geprüft GUT [#16-5]](https://i.ebayimg.com/thumbs/images/g/1z4AAOSw3kZn39l6/s-l140.jpg)
