It has been tested and is working. One of the finest resistors ever made. I have a B&K 747 tube tester. This is a mutual conductance tester. I also use a Tektronix curve tracer for testing triodes.
It has been tested and is working. One of the finest resistors ever made. I have a B&K 747 tube tester. This is a mutual conductance tester. I also use a Tektronix curve tracer for testing triodes.