18-07-2015, 12:42 AM
New tube-tester owners always want to know "the" Gm of a tube, and why it varies from one machine to another, and how to calibrate their pet tester to read the "right" value. Fun to watch from a safe distance.
|
A Simple, Valve Curve Plotter
|
| Users browsing this thread: |
| 1 Guest(s) |