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J4091

Country:  France      Brand:  Dario, Brand of SFR (Radiotechnique), France 
  Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Tube ID = 12768
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Identical to J4091
Similar Tubes Normally replaceable-slightly different:
 AS494; DW6; E442; MS4; S4150; TE42

Base Europe 5-Pin (O5A, B5) (Codex=Fc)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If: 1 Ampere / -: Indirect / -: Parallel, (AC/DC) /
Literature Taschenbuch zum Röhren-Codex 1948/49   Bulletin CHCR no.26, April 2000, p.17

j4091_so.png
rtt
Michael Schlör

 
Usage in Models (calculation each 25th of the month)   1= 1930 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   1
No further Information for

J4091    

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