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11A8

Information - Help 
ID = 8577
       
Country:
France
Brand: Common type France tube/semicond.
Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (old)   Controlling (mu) 
Identical to 11A8
Similar Tubes
Other shape (e.g. bulb type):
  11A8G
Heater different:
  6A8
First Source (s)
1936 : -- Collector info (Sammler)
Successor Tubes 11E8MG  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ue)
Was used by Military and/or Government
Filament Vf 11 Volts / If 0.17 Ampere / Indirect / Parallel, (AC/DC)
Information source Taschenbuch zum Röhren-Codex 1948/49   
  12a8_fivre_wire_1~~5.png
  11A8: my collection
Giuseppe Antonio Tusini
 
11a8_953r.jpg
11A8: Collection JR
Jacob Roschy

 
414_3.png
11A8: Telefunken Werkstattbuch
Wolfgang Bauer

 

from Just Qvigstad

Usage in Models 1= 1936? ; 2= 1939?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3


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