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KTW61

Information - Help 
ID = 2523
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Vacuum Pentode   beam power   RF/IF-Stage   Controlling (mu) 
  Ca. 1925 up to 1945 rare.
Identical to KTW61 = VT193_GPO
Similar Tubes
Other shape (e.g. bulb type):
  KTW61M ; W61

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uf)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Description

See KTW61M for the metallised version.

 
Literature Babani, International Radio Tube Encyclopaedia   Pages 114 & 115
Taschenbuch zum Röhren-Codex 1948/49   
 
ktw61_389r.jpg
KTW61: Collection JR
Jacob Roschy

 
374_13.png
KTW61: Telefunken Werkstattbuch
Wolfgang Bauer

 
ktw61_data.png
KTW61: Babani
Jacob Roschy


Usage in Models 1= 1938? ; 5= 1939? ; 20= 1939 ; 7= 1940 ; 1= 1941?? ; 5= 1941 ; 1= 1942?? ; 2= 1943? ; 1= 1945?? ; 1= 1946?? ; 1= 1946? ; 3= 1946 ; 3= 1947?? ; 2= 1947? ; 13= 1947 ; 6= 1948? ; 4= 1948 ; 1= 1949? ; 9= 1949 ; 1= 1950?? ; 6= 1950 ; 1= 1953?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):94


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