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6J8 is a Russian HF pentode tube. The tube is covered with black metal screen. Equivalents to the 6SJ7.
Name: 6J8;
Type: HF pentode;
Application: HF voltage amplification;
Cathode type: oxide, indirect heating;
Envelope: metal;
Mass, g: 42;
Filament voltage, V: 6,3;
Filament current, A: 0,275-0,325;
Anode voltage, V: 250;
Anode current, A: 0,002-0,004;
Anode power, W: 2,8;
Grid1 voltage, V: minus3;
Grid2 voltage, V: 100;
Grid3 voltage, V: 0;
Steepness, mA/V: 1,3-2,0;
Reverse grid current, uA: 0,5;
Microphnic noise, mV: 100;
Socket type: rsh5-1. |
