VERY RARE MULLARD ECC81 YkB

D GETTER COIN BASE 

VALVO HAMBURG MANUFACTURE   

D2 YkB CODE  CODE DATES IT TO 1952

TESTED EXCELLENT 




AVO VCM163 TESTED

READINGS


TUBE 1 - Ia 9.5/10.7         gm   5.1/5.1



100% = Ia 10.0   gm 5.5




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