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Vor 5 Stunden: Alice Weidel bringt Heidenheim zum BEBEN!
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National NC-183D Ham shortwave receiver Boom it died, Quick Fix and it lives again Classic Radio
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ZETAGI BV-603, 27 Mhz - TUBE RF AMPLIFIER REPAIR - POWER TEST.
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D-Lab Modified P&H LA-400 Ham Linear 572B tube amplifier Low power RF output problem Need suggestion
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How to fix tube amp parasitic distortion Grid stop resistors D-lab electronics
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