CV1697 / NR84 / X41 triode/hexode
 |
This valve measures 135x45mm
overall and has a 7 pin base. |
The EVS data for CV1697 says see CV1194. CV1194 = NR84. The prototype of
NR84 is X41, the same as indicated on this CV1697.
| Heater voltage |
4V |
| Nominal heater current |
1.15A |
| Max anode voltage |
250V |
| Max screen voltage |
80V |
| Max oscillator anode voltage |
150V |
| Conversion conductance |
0.55mA/V |
| Peak oscillator grid voltage |
12V |
| Capacitances |
| Cag |
Triode 0.046pF
Hexode 3.56pF |
| Cae |
Triode 21.5pF
Hexode 8.5pF |
| Cge |
Triode 7.0pf
Hexode 17.0pF |
| Pin |
Function |
| 1 |
Oscillator anode |
| 2 |
G0 and G3 |
| 3 |
G2 and G4 |
| 4 |
Heater |
| 5 |
Heater |
| 6 |
Cathode |
| 7 |
Anode |
| TC |
G1 |
|