CV1130 / CV1586 / HL23 / VR130 / 10E/159 triode
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This valve measures 82x31mm overall and has a Mazda Octal base. |  |
This is a directly heated triode. The VR130 (CV1130 spec.) and CV1586 specs differ slightly in the test results but are otherwise identical.
| Filament voltage | 2.0V |
| Filament current | 50mA |
| Max operating anode voltage | 150V |
| Mutual conductance * | 1.5mA/V |
| Amplification factor * | 32 |
| Anode impedance * | 21k ohms |
| Capacitances | |
| Cin | 2.5pF |
| Cout | 4.7pF |
| Cag | 4.7pF |
*: At Va=100,Vg=0.
| Pin | Function |
| 1 | Filament |
| 2 | no pin |
| 3 | Anode |
| 4 | no pin |
| 5 | Grid |
| 6 | Metallising |
| 7 | no pin |
| 8 | Filament |
CV1586, HL23 (also carries CV1586), and VR130