RE: My Telefunken mystery tube

Tubes Asylum

Questions about tubes and gear that glows. FAQ

In Reply to: My Telefunken mystery tube posted by Permanent Waves on April 22, 2017 at 19:21:24:

Use the 12AU7 tube test settings on your tester. If the tubes goes all the way up the scale and almost pegs the needle,rest assured it is a 12AX7. If it tests normal,it's a 12AU7.
"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken

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Follow Ups Full Thread

Topic - My Telefunken mystery tube - Permanent Waves 19:21:24 04/22/17 (4)

RE: Also try the freezer for a minute or 2 - DAK 17:30:05 04/23/17 (0)

RE: My Telefunken mystery tube - Michael Samra 22:13:12 04/22/17 (0)

Exhale onto the tube.... - viridian 21:54:35 04/22/17 (0)

RE: My Telefunken mystery tube - Tre' 20:58:45 04/22/17 (0)

Follow Ups

RE: My Telefunken mystery tube - Michael Samra 22:13:12 04/22/17 (0)

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