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ID = 17893
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to Z2
Similar Tubes
Normally replaceable-slightly different:
  4676 ; A41_Mazda ; AP4 ; ZA1

Base Acorn 7 pin wide P7A (GB only)
Was used by Military and/or Government
Filament Vf 4 Volts / If 0.25 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices

z2_so.png Z2: rtt
Anonymous 10 Collector

Just Qvigstad
Z2: Taschenbuch der Rundfunktechnik, 1925
Detlef Kraus


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