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ID = 1658
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
Identical to RENS1274 = E455 = AS4125 = H4115D
Similar Tubes
Normally replaceable-slightly different:
  NVS42 ; T4500C
First year 1932 - - Manufacturers Literature
First Source (s)
Sep.1933 : Funkschau
Predecessor Tubes RENS1214  
Successor Tubes RENS1294  

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC

Telefunken - Version of the E455.
Was produced by Telefunken only in low numbers, probably due to belated start and soon replaced by the RENS1294.

Text in other languages (may differ)
Tube prices 1 Tube prices (visible for members only)
Information source Babani, International Radio Tube Encyclopaedia   p. 134 & 135
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 179, p. 310
Taschenbuch zum Röhren-Codex 1948/49

9_30.png RENS1274: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad
RENS1274: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

More ...
Usage in Models 3= 1932 ; 5= 1933 ; 1= 1936??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):9

Collection of



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