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ID = 31627
Soviet Union
Brand: Common type USSR (SU) tube/semicond.
Tube type:  Transmitting Tetrode, air cooled 
Identical to ГУ-91Б
Similar Tubes
Other shape (e.g. bulb type):

Base SPECIAL TUBEBASE in general
Filament Vf 12.6 Volts / If 4.4 Ampere / Indirect
Dimensions (WHD)
incl. pins / tip
71 x 95 x mm / 2.80 x 3.74 x inch
Weight 600 g / 21.16 oz

gu91b_sock3.png ГУ-91Б: Svetlana
Götz Linss † 27.06.21

ГУ-91Б: Svetlana
Götz Linss † 27.06.21

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