6N8S (6H8C)
General
Double triodes, used as an low frequency power amplifier and relaxation circuit.
Envelope: glass.
Mass 50 g.
Lead diagram
General characteristics
| Type | 6N8S |
| Filament voltage, Volt | 6.3 |
| Anode voltage, Volt | 250 |
| Grid voltage, Volt | -8 |
| Resistance in cathode circuit, Ohm | -- |
| Type | 6N8S |
| Filament (heater) current, mA | 600 |
| Anode current, mA | 9 |
| Reverse grid current, mkA | £3 |
| Dissipate cathode-heater current, mkA | £50 |
| Mutual conductance, mA/V | 3±1 |
| Gain coefficient | 21.5 |
| Inter electrode capacitance, pF: input |
3 |
| output | 1.2 |
| transfer | 4 |
| Operation time, h | ³2000 |
Limited operating values
| Type | 6N8S |
| Filament voltage, V | 5,7-6.9 |
| Anode voltage, V | 330 |
| Cathode - heater voltage, V | 100 |
| Cathode current, mA | 20 |
| Anode dissipation, W | 2.75 |
| Resistance in grid circuit, MOhm | 0.5 |
Operating environmental conditions
| Type | 6N8S |
| Acceleration of vibration loads, g | 1.5 |
| by frequencies, Hz | 50 |
| Ambient temperature, °Ñ | -60 to +70 |
| Relative humidity at up to 40°C, % | 98 |
Plate-grid and plate curves
Plate-grid curves Plate curves