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ID = 81392
United States of America (USA)
Brand: Majestic tubes of Grigsby-Grunow
Tube type:  Double Diode-Triode 
Identical to G-55 = 55
Similar Tubes
Normally replaceable-slightly different:

Filament Vf 2.5 Volts / If 1 Ampere
G-55: Ebay item 121920335948
Robert Gillespie


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