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Hy-Mu_20

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ID = 38960
       
Country:
United States of America (USA)
Brand: Royal Blue Tube Laboratories; Newark New Jersey
Tube type:  Triode, vacuum 
Identical to Hy-Mu_20

Filament Vf 6 Volts / If 0.33 Ampere / Direct / Battery =
Description Va 90-200; Ia 1.1 mA; gm 0.5 mA/V; Ra 40k; µ=20 
Information source -- Collector info (Sammler)   

 
usaroyalbluehymu20tubecourtesyebaysellerteslacoil1.jpg

Hy-Mu_20
 

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