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DE3B

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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 Vacuum Tube, Tyne Seite 382
First Source (s)
1924 : British Radio Valves - The Vintage Years: 1904-1925

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 2.8 Volts / If 0.06 Ampere / Direct / Battery =
Description

For resistance capacity coupling OR

Used in HF stage with Va 80V and Vg 0V, Ia 1.0mA

As detector with Va 80V and Vg +2.8V, Ia 1.2mA (Manufacturer's data 1926)

 
Information source Saga of the Vacuum Tube, Tyne   1925 Brown Brothers Catalog 217
- - Manufacturers Literature   

b4_base_pins~~370.png DE3B: Fin Stewart
Fin Stewart


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

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DE3B
 

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