Ramba uchinyora ndima iyi - 1951 yakaona kugadzirwa kwe25-watt radial moving-coil loudspeaker, nokuda kweChiratidziro cheUrimi chegore iroro muMoscow. Kubvira munenge muna 1954, fekitari yacho yakatanga kugadziridza uye kuisa pfungwa dzayo pakugadzira mafoni nemakrofoni chete. Muna 1957, nharembozha duku dzeOctava nemaradio ekutaura anofamba-famba akaiswa muchikamu cheRussia pakuratidzwa muna 1958 muBrussels
. Muna 1961 Oktava akaunza runhare ruduku D2 ndokutanga kugovera maikorofoni dzine simba kuKremlin. Chirimwa chacho chakatangawo kutenderera kwechipiri kwekuvandudza uye chakatanga kugadzira michina yekuyera yemagetsi-acoustic kuyedza maikorofoni uye nhare.