| Name | 6N5S |
| Type | Double triode |
| Application | Application in regulator |
| Cathode type | oxide,indirect heating |
| Envelope | glass |
| Mass,g | 95 |
| Filament voltage,V | 6,3 |
| Filament current,A | 2,25-2,75 |
| Anode voltage,V | 90 |
| Anode current,A | 0,05-0,112 |
| Anode power,W | 13 |
| Grid1 voltage,V | - 30 V |
| Steepness,mA/V | 3,9-7,1 |
| Microphnic noise,mV | 600 |
| Socket type | rsh5-1 |