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ID = 15789
Brand: Métal; France (tubes)
Tube type:  Triode, vacuum   Power/Output 
Identical to DX804 = RE134
Similar Tubes
Normally replaceable-slightly different:
  B85 ; BF804
First Source (s)
1926 : Saga of the Vacuum Tube, Tyne p.403

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 0.15 Ampere / Direct / Battery =

Röhrencodex nennt Mazda (F) als Hersteller.

Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   janvier 1929

1_217.png DX804: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad
DX804: own collection
Peter den Boer

Usage in Models 1= 1928? ; 1= 1930

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


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