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> Heathkit tc-1 tube tester, with adapter and manuals
Heathkit tc-1 tube tester, with adapter and manuals
Heathkit TC-1 vacuum tube tester, with adapter and manuals. Works well on the tubes I tested. I'm not sure if this is an emission-type tester, or a mutual-conductance version.
Comes with optional Coletronic adapter for the newest (1970s) tubes; another updated roll chart that you can install if you want to; two more updated paperbound tube setting guides, which Heathkit revised all the time, and a few more update sheets. Oh, yeah: and the beautiful builder's guide and operating manual and schematic for the thing. The roll chart window has seen better days but otherwise it looks pretty good.
