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Junior_Concertmaster

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ID = 74395
       
Country:
United States of America (USA)
Brand: Concert Master Mfg. Co. (brand) - see also Continental Corp.; Chicago, IL and Newark NJ
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to Junior_Concertmaster = WD12 = 112_WD12 = 2959 = U12_Ureco = D_Amplion

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Radio/TV-reception etc.
Filament Vf 1.1 Volts / If 0.25 Ampere / Direct / Battery =
Information source -- Collector info (Sammler)   

uv_triode_tube~~16.png Junior_Concertmaster: Fin Stewart
Fin Stewart


Just Qvigstad
 
concert_master_junior_e317.jpg

 

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