The Heathkit IT-27 Transistor-Diode Checker

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Heathkit IT-28

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HEATHKIT IT-11 CAPACITOR CHECKER DEMONSTRATION

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The Heathkit IT-7400 Digital IC Tester

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Heathkit IT-22 Capacitor Tester

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Heathkit IT-3117 Tube Tester, with demonstration

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The Heathkit IT-17 Tube Checker

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The Heathkit IT-121 FET/Transistor Tester

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IGBT \u0026 MOSFET TESTER | Electronics Project

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#249 Heathkit IT -12 Signal Tracer Restoration

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Heathkit power supply upgrade and restoration

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Heathkit Repair - Visual Aural Signal Tracer IT-12 - 1 of 2

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#162 Heathkit IT 28 Restoration

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Signal Tracer Troubleshooting Repair and Modification

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HeathKit Capacitor Checker Autopsy

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The Heathkit IO-12 5\

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Heathkit Signal Tracer and Pocket Radio Repair

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Rare 1973 Heathkit BUILD! Pt.1

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Heathkit IT-5283 Signal Tracer

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Heath Kit IT-121 FET/Transistor Tester

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Heathkit IT 12 signal Tracer

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Heathkit IT-2250: Overview, Theory of Operation, Demonstration

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Heathkit IT-28 Capacitor Checker Repair plus demo Vintage Test gear how to

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Heathkit IT-11 Capacitor Checker Calibration Repair ish..

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Vintage Heathkit Model IT- 5230 CRT Tester \u0026 Rejuvenator \u0026 Accessories

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Heathkit IT 28 Capacitor Tester Part 2

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will this small tube tester work? EMC 211 VS HEATHKIT IT-17, 12AX7 6V6 KT88

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The Heathkit TC-2 Tube Checker

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#153 Heathkit IT-12 Signal Tracer repair and restoration

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Heathkit IT-12 Modified by Tablebeast w/ Peavey Booster Amp

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