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The mutual location of the inductive elements in the electroacoustic constructions Written by Grzegorz Makarewicz 3639
Practical ways to determine the data of unknown transformers and chokes Written by Grzegorz Makarewicz 3769
How to restore the emission of domestic production tubes UCH21 and ECH21 Written by Grzegorz Makarewicz 3714
How to make miniature tube sockets Written by Grzegorz Makarewicz 4012
Handmade linear potentiometer Written by Grzegorz Makarewicz 4025
Calculation of fuse wires Written by Grzegorz Makarewicz 3983
Application of replacement tubes Written by Grzegorz Makarewicz 4007