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OM1

Information - Help 
ID = 25653
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Half-Wave Vacuum Rectifier 
Identical to OM1 = CY31

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Vf 20 Volts / If 0.2 Ampere / Indirect / Series, AC/DC
Description 250V rms, 120mA mean dc. 
Information source - - Manufacturers Literature   
 
833ed3aa_4e3c_4638_af0b_fbdee4840ed3.jpeg
OM1: Own photo
Roddie Rankin

 
om1_so.png
OM1: rtt
Michael Schlör

 
u281mazdadoc_1.png
OM1: Babani 1949-1951
Patrice Zeissloff


from Just Qvigstad

Usage in Models 1= 1947?? ; 2= 1948 ; 2= 1950

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5


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