SYLVANIA 6X9 ECF200 TUBE Valvola Lampe Röhre Valve Valvula SINGLE NOS NIB
USD 1.98 USD
Specifications
| Brand | Sylvania |
| Country Of Origin | United States |
| Model | 6X9 ECF200 |
6X9 ECF200. 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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