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DV-4 {ДВ-4}

DV-4 {ДВ-4}; MEMZA (ID = 183211) Crystal
DV-4 {ДВ-4}; MEMZA (ID = 447114) Crystal DV-4 {ДВ-4}; MEMZA (ID = 1702531) Crystal
DV-4 {ДВ-4}; MEMZA (ID = 447116) Crystal DV-4 {ДВ-4}; MEMZA (ID = 447117) Crystal
DV-4 {ДВ-4}; MEMZA (ID = 183210) Crystal DV-4 {ДВ-4}; MEMZA (ID = 238631) Crystal
DV-4 {ДВ-4}; MEMZA (ID = 238633) Crystal DV-4 {ДВ-4}; MEMZA (ID = 238635) Crystal
DV-4 {ДВ-4}; MEMZA (ID = 447115) Crystal DV-4 {ДВ-4}; MEMZA (ID = 447118) Crystal
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DV-4 {ДВ-4}; MEMZA (ID = 447114) Crystal
MEMZA: DV-4 {ДВ-4} [Crystal] ID = 447114 600x504
Select picture or schematic to display from thumbnails on the right and click for download.
For model DV-4 {ДВ-4}, MEMZA Electromechanical Works (ex VTU), Moscow:
RKK Radio Museum ---
Country:  Soviet Union
Manufacturer / Brand:  MEMZA Electromechanical Works (ex VTU), Moscow
Year: 1928 Category: Detector-Radio (Crystal or diode, without tubes/transistors)
Main principle Crystal or Solid State Detector; Crystal-detection 1 circuit (no tubes)
Tuned circuits 1 AM circuit(s)
Wave bands Broadcast and LongWave in ONE range.
Power type and voltage No Power needed
Loudspeaker - For headphones or amp.
Power out
from Model: DV-4 {ДВ-4} - MEMZA Electromechanical Works
Material Wooden case
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 160 x 110 x 130 mm / 6.3 x 4.3 x 5.1 inch
Notes Coverage 300-1800 m. Plug-in crystal detector.
Net weight (2.2 lb = 1 kg) 0.8 kg / 1 lb 12.2 oz (1.762 lb)
Source of data -- Collector info (Sammler)

Model page created by Zenonas Langaitis. See "Data change" for further contributors.

All listed radios etc. from MEMZA Electromechanical Works (ex VTU), Moscow
Here you find 18 models, 18 with images and 14 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.