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Y61

Information - Help 
ID = 2614
       
Country:
Great Britain (UK)
Brand: Osram-Valves GB (not MO-Valves)
Tube type:  Magic Eye, generally   Indication 
Identical to Y61
Similar Tubes
Other shape (e.g. bulb type):
  Y63
Normally replaceable-slightly different:
  63ME ; VFT6
Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=U)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect
Description

Varable mu triode section allows good sensitivity on weak signals without overload when signal increases.

 
Information source - - Manufacturers Literature   
British Radio Valves - The Classic Years: 1926-1946   Supplement, p. 153
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
y61_app.png
Y61: Manufacturer's Literature
Emilio Ciardiello
420_1.png Y61: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		y61_1.png
Y61: Manufacturer's Literature
Emilio Ciardiello
More ...
Usage in Models 1= 1946?? ; 1= 1946 ; 1= 1947?? ; 1= 1947? ; 7= 1947 ; 1= 1948?? ; 8= 1948? ; 3= 1948 ; 1= 1949? ; 5= 1949 ; 3= 1950 ; 2= 1951
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):34

Collection of

Siegfried Neumann (D)
 
y61.jpg

Y61
 
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