BEB #94: ROETEST Tube Tester: How it works! (Testing an E80CF valve) @MaxKoschuh
BEB #94: ROETEST Tube Tester: How it works! (Testing an E80CF valve)  @MaxKoschuh
Uploaded May 2019 | Updated September 2026, 1 day ago
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Welcome to the Beautiful-Electronics-Blog, BEB. Free electronics videos, teardown, and education.

The idea of the "mini-BEB" is a video series with shorter episodes, with less effort in production. Less time consuming videos, but yet interesting to watch.

With the mini-BEB, I am able to upload videos w/o proper editing, which is much better than no video at all. Please support. Thumbs up is the easiest way.

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Ing. Max Koschuh (BEB Electronics Blog) |

BEB #94: ROETEST Tube Tester: How it works! (Testing an E80CF valve)

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