The crystal and the headphones. Late 1920's. Leningrad "Krasnaya Zarya" Works.
"Record" loudspeaker. 1930's-40's.
"B-2" mechanical television (with "EChS-2" receiver). The first home-made TV-set. Model 1934 , Leningrad Kozitsky Works.
The unknown loudspeaker. 1940.
"Malyutka" loudspeaker. Model 1953. Leningrad "Krasnaya Zarya" Works.
"Chaika" loudspeaker. Model 1959.
"Baltika" loudspeaker. Model 1954. Leningrad Metallic Works.
Loudspeaker. Model 1958. Leningrad Radio Devices Works.
30A-230 loudspeaker. 1970's. Leningrad "Kinap" Works.
1A-20 horn driver with "alni" magnet. 1970's. Leningrad "Kinap" Works.
"PR-4V" boatanchor. 1940's.
TV "Rekord-B". Alexandrov Radio Works.
Micro circa 1950's
"MD-47" micro. Model 1962.
"MD-44" micro. Model 1964.
"Spidola". The first Soviet mass transistor radio. Model 1961. Riga VEF Radio Works.
Silver-mica capacitors (CC type). 1940's.
Plastic covered mica capacitors. 1930-1960's
Imported resistors and capacitors produced by "Siemens-Halske", "Dralowid", "Sator", "Foxohm" etc.
Home-made Cu rectifiers - the
first among solid-state devices.
1SB type, 1946 (left); MKV4-1 type, 1963 (right).