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ID = 28496
Great Britain (UK)
Brand: Metropolitan-Vickers (Metro-Vick, Cosmos); GB
Tube type:  Triode, vacuum   Universal 
Identical to DE11
Similar Tubes
Other base:
First year 1924 Saga of the Vacuum Tube, Tyne Seite 373

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 1.1 Volts / If 0.25 Ampere / Direct / Battery =

Story of Cosmos valves see here

Tube prices 1 Tube prices (visible for members only)
Information source Saga of the Vacuum Tube, Tyne   p.373
70 Years of Radiotubes and V.   p.196
British Radio Valves - The Vintage Years, Thrower
Alan Scott Douglas † 16.11.15

DE11: Fin Stewart
Fin Stewart

DE11: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector

from Just Qvigstad

Usage in Models 1= 1926

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

Forum contributions about this tube
Threads: 1 | Posts: 1
Hits: 1964     Replies: 0
DE11 (DE11)
Alan Scott Douglas † 16.11.15

There is a typo on page 373 of Tyne's "The Saga of the Vacuum Tube". The DE11 was introduced by E.Y. Robinson, not  E. Brian Munt.  Refer to the BVWS Bulletin vol.2 no.4, p.59.

End of forum contributions about this tube

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