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1F4

Information - Help 
ID = 3569
       
Country:
United States of America (USA)
Brand:
Tube type:  Vacuum Pentode   Power/Output 
Identical to 1F4
Similar Tubes
Normally replaceable-slightly different:
  950
Other class quality (otherwise equal):
  CV767

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Hy)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.12 Ampere / Direct / Battery =
Dimensions (WHD)
incl. pins / tip
x 108 x 45 mm / x 4.25 x 1.77 inch
Weight 48 g / 1.69 oz
Tube prices 3 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
 
national_1f4_tube_side.jpg
1F4: From own collection
David Erali

 
451.png
1F4: Telefunken Werkstattbuch
Wolfgang Bauer

 
1f4_spec.png
1F4: Grundig Rö-Tabu, zum M1, Band 3, 1948
Anonymous 15 Collector


from Just Qvigstad

Usage in Models 3= 1935 ; 1= 1936?? ; 2= 1936? ; 44= 1936 ; 5= 1937?? ; 1= 1937? ; 26= 1937 ; 1= 1938? ; 51= 1938 ; 2= 1939? ; 2= 1939 ; 2= 1941? ; 1= 1947??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):141


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