The 6N8S double triode was designed for amplification of low-frequency voltage. Tubes were manufactured in 196x by FOTON factory (TASHKENT City, USSR). Equivalents to the 6SN7, 1578 (very close to legendary 1578 tube with metal base). NEW, NOS and never used before!

Name: 6N8S

Type: Double triode

Application: LF voltage amplification

Cathode type: oxide,indirect heating

Envelope: glass

Filament voltage, V: 6,3

Filament current, A: 0,55-0,65

Anode voltage, V: 250

Anode current, A: 0,0055-0,0115

Anode power, W: 2,75

Grid1 voltage, V: minus 8

Steepness, mA/V: 2,1-3,1

Reverse grid current, uA: 2

Microphnic noise, mV: 150

Gain: 18,0-23,0

Socket type: rsh5-1