It finally happend… After a decade of reliable service, my Alpha91b amplifier broke. Most likely on it’s way to Spain one of the tubes broke. During the comissioning at ED1R, fire & smoke shot out of a¬†chimney. The first shock was big, but a few measurements confirmed that just the tubes were broken. In this blog post I will share the knowledge I gained during during debugging, comissioning and breathing new life into the amplifier.

Continue reading

Author's picture

Tobias Wellnitz, DH1TW


Software Engineer

Germany