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AS494

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ID = 3004
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to AS494
Similar Tubes
Normally replaceable-slightly different:
  DW6 ; E442 ; I4091 ; MS4 ; NC4b ; S412N ; S4150 ; S430N ; TE42

Base Europe 5-Pin (O5A, B5) (Codex=Fc) Top contact screw type
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Tube prices 1 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
as494_new_web.jpg
AS494: CA
Christian ADAM

 
9_1.png
AS494: Telefunken Werkstattbuch
Wolfgang Bauer

 
as494_spec.png
AS494: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 2= 1932

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of a member from FIN

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