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ID = 7580
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
  <1925 very rare. ***
Identical to AU3 = NU3 = CV1064 = 10E/11445 = 7403 = VU64

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Military and/or Government
Filament Vf 4 Volts / If 2.5 Ampere / Direct / Specified voltage AND current AC/DC
Description 500V max rms, 120mA max dc.
The AU4 is erroneusly listed instead of AU3 as equivalent in the spec sheet of CV1064. Tube not to be confused with the earlier AU3_E27 rectifier 
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Original-techn. papers.   
Brans, P.H. Radio Schema's, Antwerpen

1561_3.png AU3: Manufacturer's Literature
Emilio Ciardiello

Just Qvigstad

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