• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Siemens transformers

I get some transformer from my friends when he clean the warehouse. The transformer seem like output transformer with siemens logo. I can't find any data from google. Maybe someone can help me figure it out? The code was 71/1514, 71/1811 and 71/1516. Thanks for any help.
 

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