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ID = 43647
Brand: UNBEKANNTE FIRMA D / A / CH - Siehe Anleitung unter der «Firma»
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to RGN1404_SPEZIAL
Similar Tubes
Multiple differences or of other kind:

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 4 Volts / If 2.3 Ampere / Direct

This tube is apparently an AZ4, connected as half-way rectifier with B4 base, also indicated by the heater current.

Text in other languages (may differ)
RGN1404_SPEZIAL: H.Weigl
Helmut Weigl


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