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PV2_DE

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ID = 30817
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Developer: Ediswan, Siemens Edison Swan Electric Co.; London 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to PV2_DE
First Source (s)
1926 : British Radio Valves - The Vintage Years, Thrower p.50
1926 : Saga of the Vacuum Tube, Tyne p.373
Predecessor Tubes PV2_Ediswan  

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct / Battery =
Description

There was another Ediswan PV2 with bright emitter, completely different
- similar to an R type tube but a bigger bulb.

 
Information source Saga of the Vacuum Tube, Tyne   p.373
Wireless World (The), London (WW, 79)   Ediswan Advertisement Jan 12th 1927
-- Collector info (Sammler)
 
dscf6213.jpg
PV2_DE: Fin Stewart collection
Fin Stewart

 
b4_1~~66.png
PV2_DE: Fin Stewart
Fin Stewart

 

from Just Qvigstad

Usage in Models 1= 1927

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


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