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2HF Info
Country:  Germany      Brand:  Loewe-(Opta); Deutschland 
  Developer:  Loewe-(Opta); Deutschland 
  Tube type:  MULTI-SYSTEM, internal coupling   RF/IF-Stage 
Tube ID = 1197
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Identical to 2HF
First Series   1927 Tube leaflet collection E.Erb Analysis by original leaflets
Successor Tubes 2HF_neu  

Base OTHER TUBEBASE in general (Codex=Sp 95)
Was used by Radio/TV-reception etc.
Filament -: Direct / -: Battery = / If: 0.17 Ampere / Vf 4 Volts /
Description Zwei Raumladegitter-Tetroden zur Hochfrequenzverstärkung mit integrierter RC-Kopplung.
ANMERKUNG: Später durch die 2HF "Neue Type" ersetzt. Diese hat keine Raumladegitter mehr, sondern besteht aus zwei intern gekoppelten Trioden. 
Text in other languages (may differ)
Tube prices 2 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   

  tubeenvdiag_klein_2h3n.gif
  W. Holtmann
Wolfgang Holtmann
lwe2hf.jpg
ebay
Uwe Rössler

 
tubesockel_klein_2hf_loewe_n.gif
In vielen Unterlagen falsch dargestellt !
Wolfgang Holtmann

 
Usage in Models   1= 1926 ; 1= 1927 ; 1= 1928 ; 3= 1929 ; 1= 1931 ;
Number of Models with this tube   7
No further Information for

2HF    

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04DecX