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2 | 2PCS 6P3S / 6L6G / 6L6GT / 6L6 COKE BOTTLE! TETRODE TUBES! NOS! OTK! RARE 50's
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2PCS 6P3S / 6L6G / 6L6GT / 6L6 COKE BOTTLE! TETRODE TUBES! NOS! OTK! RARE 50's!
Tube made by military plant RADIOLAMPA (FRYAZINO) in 1950'S and have "OTK" test marking.
Name
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6P3S
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Type
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Output beam tetrode
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Application
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LF power amplification
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Cathode type
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oxide,indirect heating
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Envelope
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glass
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Mass,g
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70
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Filament voltage,V
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6,3
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Filament current,A
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0,84-0,96
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Anode voltage,V
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250
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Anode current,A
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0,058-0,086
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Anode power,W
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20,5
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Grid1 voltage,V
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minus 14
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Grid2 voltage,V
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250
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Steepness,mA/V
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5,2-6,8
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Reverse grid current,uA
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3
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Microphnic noise,mV
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1000
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Socket type
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rsh5-1
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