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4H1

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ID = 1248
       
Country:
Germany
Brand: Loewe-(Opta); Deutschland
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to 4H1 = AF7
First year 1936 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe side contact P8A (Au P, 8SC) (Codex=Sf)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.65 Ampere / Indirect / Specified voltage AC/DC
Description

4H1, Bezeichnung von Loewe für die AF7.

 
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   

typische_schautung_des_4h1_einkreiser_audion_von_loewe_opta_138w.png
4H1: Loewe Schautung
Adrian Riesen

s_30_g.gif 4H1: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20


Just Qvigstad
4h1_spec.png
4H1: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models 1= 1936? ; 2= 1936 ; 2= 1937 ; 1= 1938

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6

Collection of

 
4h1_01.jpg

4H1
 

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