Would you look at that!

It’s pretty, but this 12BA6 tube has amplified for the last time. Vacuum failure has led to a gas intruding into the vacuum, and it makes a great light show when it’s being tested!

DSC_0092

As cool as it looks, this would cause some significant damage in a radio if it were operated that way.

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This entry was posted in Photos, Radios and Tubes, Vintage and tagged , , , . Bookmark the permalink.

One Response to Would you look at that!

  1. David DeRosier says:

    I have had audio output tubes do this.

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