How to repeat FUNKE W19 tests on a Hickok 750

The Funke W19 is one the most used tube testers for those who use European tubes. Reasons are many. The tester is extremely reliable, very precise, works with a stabilized voltage, the card system prevents setting errors. Well there are more reasons for the hardware. Next is, the software is very good. Test results are recogniszed by anyone, and you will almost never find a tube missing.

 

 

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