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The mutual location of the inductive elements in the electroacoustic constructions Written by Grzegorz Makarewicz 4605
Practical ways to determine the data of unknown transformers and chokes Written by Grzegorz Makarewicz 4758
How to restore the emission of domestic production tubes UCH21 and ECH21 Written by Grzegorz Makarewicz 4691
How to make miniature tube sockets Written by Grzegorz Makarewicz 5000
Handmade linear potentiometer Written by Grzegorz Makarewicz 5016
Calculation of fuse wires Written by Grzegorz Makarewicz 4987
Application of replacement tubes Written by Grzegorz Makarewicz 5086