Wednesday, September 9, 2026

Heathkit IT-3120 Transistor Tester

 It's not often that I find a piece of Heathkit gear in such pristine condition. I picked up this transistor tester from a friend, and it was CLEAN! I replaced the batteries, cleaned and lubricated the switches and controls, checked calibration, and it was ready to go to work. Here's a few pics...








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