Need help calibrating a Hickok 6000 Chicago

[bmenary]

Does anyone live in the Chicago area that would be willing to help teach me how to calibrate a Hickok 6000 tester?- Happy to pay some $ for time-

bmenary/Wilmette, IL

 

[bmenary]

^^^

 

[boywonder]

FWIW....

TubeSound Blog Archive Hickok 6000 calibration

Here is a PDF doc for calibrating the 600a, a close relative of the 6000