Intercom Amplifier (T475E)

Details
Written by: Newton C. Braga

 

This 1.5W tube amplifier was found in an American documentation from 1947. It is a direct rectification circuit without the need for a power transformer.

 

 


| Clique na imagem para ampliar |

 


| Clique na imagem para ampliar |

 

 

 

  

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