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506BU

Information - Help 
ID = 7475
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to 506BU = R1

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 4 Volts / If 1 Ampere / Direct
Description

250-0-250V rms; Ia <60mA mean.

 
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 
17_67.png
506BU: Telefunken Werkstattbuch
Wolfgang Bauer

 

Usage in Models 1= 1937?

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

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