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H4100D

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ID = 12756
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to H4100D = E442
First year 1928 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc) Sidecontact and top contact.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

9_20.png H4100D: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
h4100d_daten_kennl.png
H4100D: Valvo Daten Heft 1930
Trev Levick

Usage in Models 2= 1929

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

 
h4100d_2_web.jpg

H4100D
 

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