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A4AMS2

Information - Help 
ID = 22593
       
Country:
Spain
Brand: Castilla; Madrid
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to A4AMS2 = E447

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 Top contact screw type
Filament Vf 4 Volts / If 1.1 Ampere / Indirect / Parallel, (AC/DC)
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
a4ams2.jpg
A4AMS2: Radio Castilla mod. 36A
Jose Luis Campayo-Soriano

 
a4ams2_so.png
A4AMS2: rtt
Michael Schlör

 

Usage in Models 1= 1934 ; 2= 1935

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3


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