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Tube testers - $150
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Sencore TC131, the largest, multiple tube sockets which I guess eliminates the need for toggle switches, have an original tube charts manual $150
Heathkit TC-1. I replaced the transformer (had weak high voltage output), replaced all the wiring with new cloth-coated wire, all of the resistors and capacitor (1) and the Line Adj switch. Have a .pdf of the assembly/user manual (actually the TC2 which is the same tester only with two bulbs for back lighting the roll chart) $150
EMC Model 213, the baby of the group but does the job. I have .pdf of manual and tube charts $100
Mention something specific about one of the pics so I know you’re not a robot. If you’re reading this, it’s available; if asked, I will delete the query without a response. Email 9/5/22 text 50 or 1/1/88 call Mike