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EM1 Info
Country:  Europe      Brand:  Common type Europe 
  Developer:  Philips; - Eindhoven; Netherlands 
  Tube type:  Mag. Eye, 4 shadow angles   Indication 
Tube ID = 634
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Identical to EM1 = 4678 = ED78 = MEM1
Similar Tubes AM1 (Heater different)   U6CAT (can normally be replaced - small diff'ce)   ME6 (can normally be replaced - small diff'ce)   ME6S (can normally be replaced - small diff'ce)  
First Series   May.1936 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s) May.1936 : Philips Bulletin
Predecessor Tubes 4678   4662  
Successor Tubes EM4   EFM1  

Base Europe side contact base P (P8A) (Codex=S)
Was used by Radio/TV-reception etc.
Filament -: Indirect / -: Parallel / series AC/DC / If: 0.2 Ampere / Vf 6.3 Volts /
Tube prices 2 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   

  em1.gif
  Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
em1_5.jpg
Röhrensammlung
Wolfgang Bauer

 
90_1.png
Telefunken Werkstattbuch
Wolfgang Bauer

 
em1_techdat1.png
Original Data Sheet
Hermann Fleischanderl

Usage in Models   2= 1936?? ; 2= 1936? ; 22= 1936 ; 3= 1937?? ; 13= 1937? ; 114= 1937 ; 4= 1938?? ; 25= 1938? ; 209= 1938 ; 7= 1939? ; 103= 1939 ; 3= 1940?? ; 2= 1940? ; 20= 1940 ; 3= 1941? ; 20= 1941 ; 2= 1942 ; 1= 1943? ; 6= 1943 ; 1= 1944 ; 6= 1945?? ; 4= 1945? ; 2= 1945 ; 1= 1946 ; 2= 1947 ; 1= 1949 ; 1= 1952? ; 1= 1952 ;
Number of Models with this tube   580
Further Information for

EM1    

EM1 (EM1)  (11.08.2007) Reinhard Hanschke Clicks: 160     Replies: 0
Neupreis 1938: 65,00 FFR. Lit.: Catalog der Fa. MANUFRANCE (MF) von 1938.
 
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