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3NFL

Country:  Germany      Brand:  Loewe-(Opta); Deutschland 
  Developer:  Loewe-(Opta); Deutschland 
  Tube type:  MULTI-SYSTEM, internal coupling 
Tube ID = 1226
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Identical to 3NFL
First year   1933 Tube leaflet collection E.Erb Analysis by original leaflets

Base Loewe Bajonet, 6-pin + middle pin (Codex=sp)
Filament Vf 4 Volts / If: 1.2 Ampere / -: Parallel, (AC/DC) /
Description Audion-Triode, NF-Triode und Endtriode kombiniert mit Bauteilen zur Signalkopplung zwischen den Systemen. Die beiden Vorstufen sind indirekt geheizt, die Endstufe direkt.

Das hier dargestellte Sockelschaltbild ist von OBEN gesehen! 
Text in other languages (may differ)
Literature Taschenbuch zum Röhren-Codex 1948/49   

3nfll_b.jpg
3NFL: G.S.
Günther Stabe

 
3nfl_sock.png
3NFL: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

 
3nfl_spec.png
3NFL: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models   4= 1933
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   4

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