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956

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ID = 2738
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Vacuum Pentode   VHF   Controlling (mu) 
Identical to 956 = 6К1Ж = VT-238 = 4695 = E2F
Similar Tubes
Normally replaceable-slightly different:
  38956 ; CV649
Other base:
  9003 ; VT-203
First year 1936 History of the British Radio Valve to 1940
Successor Tubes 9003  

Base Acorn 7 pin 7AA
Was used by Military and/or Government
Filament Vf 6.3 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Description

The first Acorn-tube was the type 955 from 1934, followed by the pentode type 954 in 1935 and this variable-mu pentode type 956 in 1936. See also the British "Acorn-valves" with 4-V-heaters.

 
Dimensions (WHD)
incl. pins / tip
x 45 x 23 mm / x 1.77 x 0.91 inch
Weight 7 g / 0.25 oz
Tube prices 3 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Tube Lore (II)   p. 145
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

956_so.png 956: ARRL Handbook 1972
Anonymous 10 Collector

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Just Qvigstad
956.png
956: RCA Technical Manual TT3
Miguel Angel Trujillo-Rodriguez

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Usage in Models 1= 1937 ; 1= 1938? ; 4= 1939 ; 2= 1940 ; 1= 1942? ; 3= 1942 ; 2= 1944 ; 1= 1945 ; 1= 1952

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):16


Collection of

 
956_a.jpg

956
 

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