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DE3B

Information - Help 
ID = 28495
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Triode, vacuum   Universal 
Identical to DE3B
First year 1925 Saga of the Vacuumtube, Tyne Seite 382
First Source (s)
1924 : British Radio Valves - The Vintage Years, Thrower

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament Vf 3 Volts / If 0.06 Ampere / Direct / Battery =
Description For resistance capacity coupling 
Literature Saga of the Vacuumtube, Tyne   1925 Brown Brothers Catalog 217
 
uk_mo_de3b.jpg
DE3B
Peter den Boer

 
de3b_spec.png
DE3B: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector



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