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ID = 2614
Great Britain (UK)
Brand: Osram-Valves GB (not MO-Valves)
Tube type:  Magic Eye, generally 
Identical to Y61
Similar Tubes
Normally replaceable-slightly different:
  63ME ; VFT6

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=U)
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   
Taschenbuch zum Röhren-Codex 1948/49   
  Y61: Manufacturer's Literature
Emilio Ciardiello
Y61: Ebay UK auction item 332261213421 seller ralph2472
Howard Craven

Y61: Telefunken Werkstattbuch
Wolfgang Bauer

Y61: Manufacturer's Literature
Emilio Ciardiello

from Just Qvigstad

Usage in Models 1= 1946?? ; 1= 1946 ; 1= 1947?? ; 4= 1947 ; 1= 1948?? ; 8= 1948? ; 2= 1948 ; 1= 1949? ; 4= 1949 ; 3= 1950

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):26

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