Double triode – 6Н9С has separate oxide cathodes and is designed for significant amplification of low-frequency signals, in previous stages, in phase inverters, as well as in various measuring instruments. The radio tube is made in a glass case with an eight-pin octane base, which allows it to be installed in any operating position. Known foreign analogues: 6SU7, 6SL7GT, 6188.
• Actual gain of each triode: 70.
• Through-current capacitance of each triode: 2.8 pF.
• Constant, operating voltage on each triode: 250 V.
• Average current in the filament circuit: 0.3 A.
• Nominal, operating current in the circuit of each anode: 2.3 mA.