DUMONT 6U8A 6AX8 6KD8 TUBE NOS NIB Valvola Röhre Valve SINGLE
USD 15.88 USD
Specifications
| Country Of Origin | United States |
| Brand | DUMONT |
| Type | NOS Tube |
| Model | 6U8A |
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 for tubes. The lines show how the tube conducts throughout that range.
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