Description
GI-30 Double Beam Power Tetrode Tube ULYANOVSK FROM 1963-1969!!! Lot of 2pcs NEW IN BOX!!! High-Quality Russian audiophile GI-30 (ГИ-30 in Russian) tubes. Military equipment. OTK stamp and rhombus on each tube. Cathode type: oxide, indirect heating Application: pulse equipment for special purposes Envelope: glass Cooling method: air Dimensions: 110mmx61mm Mass: ~125g Filament voltage: 12,6V Filament current: 1,0-1,25A Maximum anode voltage: 5kV Base: 7pin Condition: All tubes are NEW in individual factory boxes.