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ID = 1465
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Space Charge Tetrode 
Identical to RE073d
Similar Tubes
Normally replaceable-slightly different:
Other base and data slightly different:
First year 1926 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eu) Sidecontact.
Filament Vf 3 Volts / If 0.08 Ampere / Direct / Battery =
Description Vom Hersteller als "Doppelgitterröhre" bezeichnet. Wurde in tragbaren Geräten und Spezialschaltungen bei niedrigen Betriebsspannungen verwendet. 
Tube prices 3 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   

tubesockel_klein_2.png RE073d: TFK
Wolfgang Holtmann

Just Qvigstad
RE073d: Handb. f. Funkfreunde 1926 - TEVEG. E.V.
Trev Levick

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Usage in Models 1= 1927

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of




The first RE073d from Telefunken were made with a metal base and tip.

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