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6R

Information - Help 
ID = 9489
       
Country:
Italy
Brand: Fivre - tubes; Milano (MI)
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to 6R
Similar Tubes
Multiple differences or of other kind:
  EF36
First Source (s)
1940 : -- Schematic

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uf) Top contact with a cap.
Was used by Military and/or Government
Filament Vf 6.3 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   

oc10_2~~6.png 6R: RTT 1974 (Franzis) 13. Auflage
Martin Renz

More ...

Just Qvigstad
6r6rvbabanidoc.png
6R: Babani 1951-1954
Patrice Zeissloff

Usage in Models 2= 1940?? ; 2= 1940? ; 1= 1941 ; 1= 1943 ; 1= 1948?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7

Collection of

 
roehre_6r_bild_2.jpg

6R
 

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