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presicion

  1. jFF_Bulbo

    Tube tester precision 612

    Hello. I recently bought my first tube tester, a Presicion 612. It seems complete, but i am expectant about doing it work. Well, as i read in other site, first is calibration, in order to that, resistors must be replaced. I have got the user manual and calibration procedure via...
    • jFF_Bulbo
    • Thread
    • calibration presicion tester tube vintage
    • Replies: 6
    • Forum: Tube Audio
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