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ER56

Information - Help 
ID = 32159
       
Country:
United States of America (USA)
Brand: Raytheon Mfg. Co.; Cambridge, USA (also tubes)
Tube type:  Triode, vacuum   Universal 
Identical to ER56 = 56

Base UY-Base, 5 Pins (USA, April 1927)
Filament Vf 2.5 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC) /
Description Eveready-Raytheon version of type 56. 
Literature - - -   
Taschenbuch zum Röhren-Codex 1948/49   
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ro_eveready_raytheon_er56_front.jpg
ER56: Taschenbuch zum Röhren-Codex 1948/49
Francisc VISKY

 
er56_so.png
ER56: ARRL Handbook 1972
Michael Schlör

 

Usage in Models 1= 1934
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Forum contributions about this tube
ER56
Threads: 1 | Posts: 4
Hits: 734     Replies: 3
er56
Francisc VISKY
12.Oct.07
  1 Here is a nice vacuum tube: ER56, Eveready Raytheon, 4-pillar radio tube. It looks like a triode with cathode. See pictures. Looking in RM it is not founded.
Konrad Birkner † 12.08.2014
12.Oct.07
  2

ER is often found as a prefix for Eveready-Raytheon tubes. Yours is just  the same as a common 56.

 

Francisc VISKY
12.Oct.07
  3 It looks different and it is from an other manufacturer. Where to upload?
Ernst Erb
12.Oct.07
  4

Dear Francisc
Nice that you have asked. In the meantime Konrad has installed the ER56 and we would be glad if you upload your photos to the tube.
Cordially,

Ernest

 
ER56
End of forum contributions about this tube

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