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1R

Information - Help 
ID = 22858
       
Country:
Italy
Brand: Fivre - tubes; Milano (MI)
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to 1R

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Was used by Military and/or Government
Filament Vf 1.4 Volts / If 0.05 Ampere / Direct / Battery =
Information source
 
i_fivre_1r_tube.jpg
1R: home made photograph
Giuseppe Feniello

 
i_fivre_1r_socket.gif
1R: Babani Radio valve Guide 1951/1954
Giuseppe Feniello

 
1rreduitdoc.png
1R: Babani 1949-1951
Patrice Zeissloff


from Just Qvigstad


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