Construa uma fonte de Alimentação Valvulada Ajustável de 60 a 250v.
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51:31
ESSENTIAL on the bench: Discover the Impedance of any Transformer for Tube AMPS.
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27:08
How to Transform a Single Input Voltage Switching Power Supply into Bivolt (110/220)
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43:16
Reconstruction long abandoned speaker system // Restore and recreate everything
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9:55
Shocking Invention of 60-Year-Old Plumber! ENDLESS FREE Source from PVC Pipes/Car Tires
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47:24
Amplificador VALVULADO classe A com MEIA DUZIA de peças !!
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23:37
Prologica CP500 - Do lixo ao luxo - Parte #9 - e AGORA?? Chegou a hora de resolver os B.Os
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22:04
MELHOR TESTADOR PARA PLACA ELETRÔNICA, GIGA TESTE PLACA ELETRÔNICA, FONTE CHAVEADA #placaeletronic
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6:37