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The mutual location of the inductive elements in the electroacoustic constructions Written by Grzegorz Makarewicz 3120
Practical ways to determine the data of unknown transformers and chokes Written by Grzegorz Makarewicz 3242
How to restore the emission of domestic production tubes UCH21 and ECH21 Written by Grzegorz Makarewicz 3168
How to make miniature tube sockets Written by Grzegorz Makarewicz 3451
Handmade linear potentiometer Written by Grzegorz Makarewicz 3465
Calculation of fuse wires Written by Grzegorz Makarewicz 3426
Application of replacement tubes Written by Grzegorz Makarewicz 3478