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EM840

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ID = 3413
       
 
   
Tube type:  Mag. bar tuning indicator   Indication 
Identical to EM840
First year 1957 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Sep.1956 : Funkschau # 18

Base Noval, B9A
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.27 Ampere / Indirect / Parallel, (AC/DC)
Tube prices 3 Tube prices (visible for members only)
  em840.png
  EM840: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
roehre_em840_bild_1.jpg
EM840: Eigenes Bild
Anonymous 971 Collector

 
no75_5.png
EM840: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
em840_techdat01.png
EM840: SEL Handbuch 1964
Peter Hoddow


Usage in Models 6= 1957 ; 1= 1958?? ; 2= 1958? ; 3= 1958 ; 1= 1959?? ; 12= 1959? ; 4= 1959 ; 1= 1960? ; 2= 1961 ; 1= 1963?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):33


Collection of a member from FIN
Collection of a member from D

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