I have a B&K 747 tube tester. This is a mutual conductance tester. I also use a Tektronix curve tracer for testing triodes. I give a number of evaluations...
I have a B&K 747 tube tester. This is a mutual conductance tester. I also use a Tektronix curve tracer for testing triodes. I give a number of evaluations...
I have a B&K 747 tube tester. This is a mutual conductance tester. I also use a Tektronix curve tracer for testing triodes. I give a number of evaluations...
I have a B&K 747 tube tester. This is a mutual conductance tester. I also use a Tektronix curve tracer for testing triodes. I give a number of evaluations...
I have a B&K 747 tube tester. This is a mutual conductance tester. I also use a Tektronix curve tracer for testing triodes. I give a number of evaluations...
It has been in my possession for more than 30 years.
Coil resistance: (180-200) Ohm. Resistance of insulation: 500 M Ohm. Rated current at 30 MHz: < 15 A. Rated current at 3 MHz: < 35 A. Rated DC current:...
Good display condition, HAS SOME WARPING ON THE BOTTOM see all pictures. Pictures are part of my description. Estate Sale find, sold as found, as is, as pictured, no...
Produced in a glass bottle with B9s/14 base. Works in any position. The weight of the lamp is not more than 4 g. Neon Nixie Dot Tube Bulb Indicator...