С — stereo М — mono СМ — stereo compatible with mono players А — made from a digital master К - quadro channel record Г — flexible disk
0 — hymnes, documental, political recordings 1 — symphonic, opera, choirs 2 — russian folk music 3 — non-russian folk music, but USSR's still 4 — poetry, novel, drama 5 — for children 6 — estrada, songs by soviet composers, jazz, operetta 7 — educational 8 — non-USSR folk music 9 — other
0 — 300 mm (giant) ≈12” 1 — 250 mm (grand) ≈10” 2 — 175 mm (mignon) ≈7”
Year . Mono . Stereo -----:-------:------- 1961 . 9965 . 101 1962 . 10927 . 235 1963 . 12246 . 473 1964 . 13149 . 793 1965 . 14939 . 911 1966 . 16093 . 1161 1967 . 19069 . 1411 1968 . 21253 . 1629 1969 . 24023 . 1663 1970 . 27047 . 1865 1971 . 29491 . 2417 1972 . 31565 . 3057 1973 . 33489 . 3755 1974 . 35207 . 4593 1975 . 36849 . 5507 1976 . 38213 . 6607 1977 . 39551 . 8267 1978 . 40507 . 9901 1979 . 41387 . 11593 1980 . 42279 . 13333 1981 . 43015 . 15231 1982 . 43923 . 17003 1983 . 44813 . 18983 1984 . 45689 . 20729 1985 . 46081 . 21293 1986 . 46621 . 22915 1987 . 47417 . 24301 1988 . 48023 . 26129 1989 . 48477 . 27787 1990 . 48971 . 29059
2009.12.10