6N8S (6H8C)

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:
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, ° -60 to +70
Relative humidity at up to 40°C, % 98

Plate-grid and plate curves

Plate-grid curves Plate curves