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The mutual location of the inductive elements in the electroacoustic constructions Written by Grzegorz Makarewicz 4036
Practical ways to determine the data of unknown transformers and chokes Written by Grzegorz Makarewicz 4168
How to restore the emission of domestic production tubes UCH21 and ECH21 Written by Grzegorz Makarewicz 4109
How to make miniature tube sockets Written by Grzegorz Makarewicz 4393
Handmade linear potentiometer Written by Grzegorz Makarewicz 4414
Calculation of fuse wires Written by Grzegorz Makarewicz 4380
Application of replacement tubes Written by Grzegorz Makarewicz 4427