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WE21

Information - Help 
ID = 1743
       
Country:
Italy
Brand: Philips Italy; Milano (MI)
Tube type:  OCTODE   Frequency converter   Controlling (mu) 
Identical to WE21 = AK1

Base Europe 7-Pin C7A (Hx C, C7, C) 1933 (Codex=Leo)
Filament Vf 4 Volts / If 0.65 Ampere / Indirect / Parallel, (AC/DC)
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
we21_valvo.jpg
WE21: My private collection
Giovanni Carenini

 
we21_sock.png
WE21: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

 
we21_spec.png
WE21: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


from Just Qvigstad

Usage in Models 1= 1934? ; 2= 1935? ; 5= 1935 ; 2= 1936? ; 13= 1936 ; 1= 1937? ; 4= 1937 ; 1= 1938??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):29


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