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640

640; Niesen, (ID = 2511436) Radio 640; Niesen, (ID = 2511440) Radio
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640; Niesen, (ID = 2511436) Radio
Niesen,: 640 [Radio] ID = 2511436 1400x1080
Select picture or schematic to display from thumbnails on the right and click for download.
For model 640, Niesen, Constructions électriques et mécaniques (CEM); Neuchâtel
 
Country:  Switzerland
Manufacturer / Brand:  Niesen, Constructions électriques et mécaniques (CEM); Neuchâtel
Year: 1939/1940 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: ECH3 EBF2 EF9 EL3 EM4 EZ4
schematic requested
Main principle Superheterodyne (common); ZF/IF 472 kHz
Details
Power type and voltage Alternating Current supply (AC)
Loudspeaker Presumably Dynamic Loudspeaker (moving coil)
Power out
from Radiomuseum.org Model: 640 - Niesen, Constructions
External source of data E. Erb 3-907007-36-0
Source of data Radiokatalog Band 2, Ernst Erb
Circuit diagram reference Die Tungsram-Tabellen führen das Modell auf.


All listed radios etc. from Niesen, Constructions électriques et mécaniques (CEM); Neuchâtel
Here you find 80 models, 45 with images and 53 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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