307A VT-225 Single End Amplifier


This is interesting project with 6SN7GT and 307a VT-225 directly heated AF pentode, it can be in triode or pentode mode.


307A VT-225 Single End Amplifier was last modified: April 25th, 2014 by tubes.rs

2 thoughts on “307A VT-225 Single End Amplifier

  1. admin Post author

    Ciao Antonio,

    Great amplifier, did you try other types 307A except Ken-Rad, which are other tubes in your amp?




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