TRANSISTOR STEREORALIOLY FIRST and upper class

In 1967, our country has produced its first unified tranzis¬tornaya stereoradiola first class (USRP-I) «Riga-101". In 1974 he released his second start of the first unified stereoradnola class tranzis¬torah (USRP-1-2) "Melody -Stereo-101." These radiograms developed in different periods of development of household radio, so their wiring diagrams and designs differ significantly.