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H4100Sp

Information - Help 
ID = 2243
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Screen-grid Tetrode 
Identical to H4100Sp

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc)
Filament Vf 4 Volts / If 1 Ampere
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
h4100sp_sock.png
H4100Sp: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 

Usage in Models 2= 1931

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

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