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

This Post Has 4 Comments

  1. antonio

    very good your amplifier..is wonderfull w307a ..see my video with w307a in youtube:w307a

  2. admin

    Ciao Antonio,

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



  3. Nicola

    Hi Dragan is possible the schematics or data of this amplifier?

  4. Dean J Halleck

    Hi , Great information and selection , Pete Millett web pages recommended your very nice website. I was looking at your 307 tubes for one of Pete’s Tube Amp Designs , can
    get pricing on your 307 tubes?
    And I was interested in your Baby 307A Amplifier , I was wondering how many watts it produced – and if I could get the plans for it? – Thank You ,
    Best Regards, Dean Halleck

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