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The mutual location of the inductive elements in the electroacoustic constructions Written by Grzegorz Makarewicz 3608
Practical ways to determine the data of unknown transformers and chokes Written by Grzegorz Makarewicz 3743
How to restore the emission of domestic production tubes UCH21 and ECH21 Written by Grzegorz Makarewicz 3684
How to make miniature tube sockets Written by Grzegorz Makarewicz 3975
Handmade linear potentiometer Written by Grzegorz Makarewicz 3991
Calculation of fuse wires Written by Grzegorz Makarewicz 3950
Application of replacement tubes Written by Grzegorz Makarewicz 3978