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EM1

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ID = 634
       
Country:
Europe
Brand:
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Mag. Eye, 4 shadow angles   Indication 
Identical to EM1 = 4678 = ED78 = ME6 = MEM1 = VEM1 = 6E11_Ultron
Similar Tubes
Normally replaceable-slightly different:
  ME6S ; U6CAT
Heater different:
  AM1
First year 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)
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Parallel / series AC/DC /
Tube prices 7 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   

  em1.png
  EM1: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
em1_5.jpg
EM1: Röhrensammlung
Wolfgang Bauer

 
90_1.png
EM1: Telefunken Werkstattbuch
Wolfgang Bauer

 
em1_techdat1.png
EM1: Original Data Sheet
Hermann Fleischanderl


Usage in Models 4= 1936?? ; 2= 1936? ; 35= 1936 ; 3= 1937?? ; 10= 1937? ; 165= 1937 ; 5= 1938?? ; 33= 1938? ; 286= 1938 ; 11= 1939?? ; 12= 1939? ; 135= 1939 ; 9= 1940?? ; 2= 1940? ; 36= 1940 ; 5= 1941? ; 32= 1941 ; 3= 1942 ; 1= 1943? ; 6= 1943 ; 1= 1944 ; 1= 1945?? ; 3= 1945? ; 3= 1945 ; 1= 1946 ; 3= 1947 ; 3= 1948?? ; 1= 1948 ; 1= 1949 ; 1= 1950 ; 1= 1951? ; 1= 1952 ; 1= 1953? ; 7= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):823


Documents about this component
  Abstimmnzeige EM1 812 KB

Forum contributions about this tube
EM1
Threads: 2 | Posts: 2
Hits: 1713     Replies: 0
EM1 (EM1)
Wilfried Haack
11.Oct.11
  1

Bei der EM1 von Tungsram gibt es eine Variante, die das Schattenbild einer 6E5 hat. Die techn Daten sind identisch.

 
Hits: 1814     Replies: 0
EM1 (EM1)
Reinhard Hanschke
11.Aug.07
  1

Neupreis 1938: 65,00 FFR. Lit.: Catalog der Fa. MANUFRANCE (MF) von 1938.

 
EM1
End of forum contributions about this tube

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