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Tuning AL811H with TOF module and Pulser

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Passively and Safely Neutralize the Ameritron AL-572 and Other Amplifiers

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3X572 AL811

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Mr R's AMERITRON AL-811H repair :)

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811 Tube History including 811A 572B

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Ameritron Al-811H Repair, Modifications, Faulty Filament Solder Connections At Socket , Etc Etc 572b

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AmateurLogic.TV 18: Ameritron Amplifier Factory Tour

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12v DC to 220v AC converter DIY, 12v to 220v power inverter using D718