6SA7 - 6SK7 - 6SQ7 - 5Y3G - 6V6G
Supereterodyne with MF of 455Khz
A beam tethrode 6V6G
Unfortunatly in this Geloso receiver the power transformer is in short circuit. This is due to the rust inside of it. With the years wet and rust was damage this component so it could be changed in order to reactivate the receiver.
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