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IIa

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ID = 28925
       
Country:
Austria
Brand: Nowak & Co.; Wien
Tube type:  Triode, vacuum   Universal 
Identical to IIa
First year 1927 Saga of the Vacuum Tube, Tyne page 463
First Source (s)
15.Mar.1927 : Funk Bastler #13
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 1.6 Volts / If 0.15 Ampere / Direct / Battery =
Information source Bastelbriefe der Drahtlosen   1927, H.8
Saga of the Vacuum Tube, Tyne   p. 463
b4_base_pins~~706.png IIa: Fin Stewart
Fin Stewart

Just Qvigstad 		daten_nowak_ii_iia_iii_iiia_1.png
IIa: WEKA-Katalog 1927
Gerhard Heigl
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Forum contributions about this tube
IIa
Threads: 1 | Posts: 1
Hits: 1772     Replies: 0
Nowak IIa
Thomas Lebeth
01.Oct.07 		  1
Nowak IIa 

Die Kennlinie der Röhre IIa von Nowak & Co, Wien V, Schönbrunnerstraße 21 erschien in der Ausgabe April 1926 des österreichischen Radio-Amateur (ÖRA). Hierbei werden folgende Daten angegeben:

S = 0,35 mA/V
Is = 8 mA (Sättigungsstrom)
D = 12%
Uh = 1,6 V
Ih = 0,25 A

Sammlergrüße

Thomas Lebeth
 
IIa
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