The Heathkit IM-36 Transistor Tester
20:27
The Heathkit IT-121 FET/Transistor Tester
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The Heathkit IT-17 Tube Checker
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Heathkit Repair - Semiconductor Curve tracer IT-1121 PART 1 of 3
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Vintage Heathkit AR-14 solid-state stereo receiver
28:43
🔴 Heathkit IT-1121 Curve Tracer Refurbishment - No.994
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Ep 72 500th Subscriber Special, Heathkit IM-36 Transistor Tester
32:39
A Simple and Inexpensive Way to Match Transistors
1:32:04