Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 2880
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Triode, vacuum   Power/Output 
Identical to DE6
First Source (s)
1924 : British Radio Valves - The Vintage Years: 1904-1925

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=So)
Filament Vf 2 Volts / If 0.5 Ampere / Direct / Battery =

Low frequency power valve for use with DER valves. Initially 1.8V 0.4A filament. It was soon modified to allow higher gain and lower impedance.
Codex says 2V and 0.15A which is incorrect!

Tube prices 1 Tube prices (visible for members only)
Information source Saga of the Vacuum Tube, Tyne   1925 Brown Brothers Catalog 217
Taschenbuch zum Röhren-Codex 1948/49   

b4_base_pins~~57.png DE6: Fin Stewart
Fin Stewart

Just Qvigstad
DE6: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector

Usage in Models 5= 1924 ; 3= 1925

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):8

Collection of



You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]