etoj knige rasskazano o lampovyh usilitelyah nizkoj chastoty, gromkogovoritelyah i ih akusticheskom oformlenii, o nekotoryh putyah uluchsheniya kachestva zvuchaniya radioapparatury. Rasskaz ob osnovah radioelektroniki i printsipah usileniya illyustriruetsya shemami i opisaniyami radiolyubitel'skih konstruktsij: radiogrammofonov, vysokokachestvennyh usilitelej, prostogo shkol'nogo radiouzla, akusticheskih agregatov. This book, "Shag za shagom. Usiliteli i radiouzly", by R. A. Svoren', is a replication of a book originally published before 1965. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible.
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