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The mutual location of the inductive elements in the electroacoustic constructions Written by Grzegorz Makarewicz 4076
Practical ways to determine the data of unknown transformers and chokes Written by Grzegorz Makarewicz 4209
How to restore the emission of domestic production tubes UCH21 and ECH21 Written by Grzegorz Makarewicz 4149
How to make miniature tube sockets Written by Grzegorz Makarewicz 4433
Handmade linear potentiometer Written by Grzegorz Makarewicz 4466
Calculation of fuse wires Written by Grzegorz Makarewicz 4421
Application of replacement tubes Written by Grzegorz Makarewicz 4477