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History of the manufacturer  

MEMZA Electromechanical Works (ex VTU), Moscow

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Name: MEMZA Electromechanical Works (ex VTU), Moscow    (SU)  
Abbreviation: memza-vtu
Products: Model types Others
Summary:

Moscow Electromechanical Works (MEMZA) was one of the members of the Trust for Precise Mechanics. The main direction in that Trust was clock and watch production, so radio receivers have been strangers in that Trust. But MEMZA was probably also VTU. After 1940 when Soviet government decided to develop clock and watch industry, MEMZA has ceased its operations.

Founded: 1925
Closed: 1964
History:

Moscow Electromechanical Works (MEMZA) and VTU:

Moscow VTU Electromechanical Works operated in the same time period as "MEMZA Electromechanical Works" and occupied premises at the very same street address (Leningradskoe Chausse, 16). Yet as "VTU" stands for "Militaly Technical Dept.", it should have military subordination and was most likely not under control of the Trust for Precise Mechanics (Clocks and Watches) where MEMZA used to belong.

Nevertheless after Soviet Government decided to make emphasize on Clock and Watch industry, both MEMZA and VTU seem to have ceased their operations because after 1930 and till nowadays, there was "The 2nd State-owned Clock and Watch Works" located at that street address. Nobody heard of any radio plants in that area in the last 80 years...


Some models:
Country Year Name 1st Tube Notes
SU  35 SI-235 {СИ-235} СО-148  Kenotron vo-230 or vo-202. Frequency range LW: 150-420 kHz (2000-714 m) and MW: 550-1500 k... 
SU  34 "Kolchoznij" BI-234 {БИ-234} СБ-154  This radio set popular named in Russia "Kolchoznij". This model was made ... 
SU  28 BČN {БЧН} УБ-110  Designed by the Russian engineer Borusevich. Some tube variants: tube1(2)usable pt-2 or ... 
SU  32–38 ÈČS-2 {ЭЧС-2} СО-124  First alternating current supply Radio set in Soviet Union.Coverage 200-2000 meters in 4 r... 
SU  34–38 ÈČS-3 {ЭЧС-3} СО-124  Coverage 200-2000 meters in 4 ranges. Generally set used separate loudspeaker "Rekord". 
SU  34–38 ÈČS-4 {ЭЧС-4} СО-124  Coverage 200-2000 meters in 4 ranges. 
SU  28 PL-2 {ПЛ-2} МИКРО  Coverage 270-1800 meters in 4 ranges.Set may used as simple crystal radio too.Two tube var... 
SU  28 PL-1 {ПЛ-1} МИКРО  Coverage 270-1800 meters in 4 ranges.Set may used as simple crystal radio too. Schematic ... 
SU  29 DV-5 {ДВ-5}   Coverage 300-2000 m. Crystal detector type DS-4 built in. 
SU  28 DV-4 {ДВ-4}   Coverage 300-1800 m. Plug-in crystal detector. 
SU  27 DV-3 {ДВ-3}   Coverage 350-1750 m. Set-in crystal detector. 
SU  27 DL-3 - ДЛ-3 МИКРО  Coverage 250-1750 meters in 4 ranges. Set may used as simple crystal radio too. 

[rmxhdet-en]

Further details for this manufacturer by the members (rmfiorg):

tbn_su_memz_jauza_logo.jpg
Thanks for Mr.Szekeres Csongor, Pécs, Hungary and Első Zalai Rádiómúzeum Alapítvány, First Zala County Radio Museum Foundation.tbn_su_memza_vtu_jauza_logo.jpg

  
rmXorg