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DDT2

Information - Help 
ID = 14074
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to DDT2
Similar Tubes
Other base:
  KBC1

Base Europe 5-Pin (O5A, B5) (Codex=Su) Top contact with a cap
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.1 Ampere / Direct / Battery =
Description

Manufacturers details give base as 5 pin with no S version for side-contact base. Metallised only.

 
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 
ddt2_tungsram.jpg
DDT2: own collection
John Koster

 
128.png
DDT2: Telefunken Werkstattbuch
Wolfgang Bauer

 
ddt2_spec.png
DDT2: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 1= 1937

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


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