Octal power tube (Max Plate Watts = 42W)
| Base Type: Octal |
| Uf |
5.3 V |
| If |
ca 1.6 A |
| Typical Characteristics |
| Ua |
250 V |
| Ug2 |
250 V |
| Ug1 |
-15 V |
| Ia |
140 mA |
| Ig2 |
max. 7 mA |
| S |
11.5 mA/V |
| Ri |
12 kΩ |
| μ-g1-g2 |
8 |
| Triode Connected |
| Ua,g2 |
250 V |
| Ug1 |
-15 V |
| Ia+g2 |
147 mA |
| S |
12 mA/V |
| Ri |
670 Ω |
| μ |
8 |
| Limiting Values |
| Ua |
800 V |
| Ug2 |
600 V |
| Ug1 |
-200 V |
| Wa |
42 W |
| Wg2 |
8 W |
| Wa,g2 |
46 W |
| Ik |
230 mA |
| Uk/f |
205 V |
| Rg1-k |
cathode bias |
| Wa+g2 |
35 W, between 270 kΩ and 470kΩ |
| Rg1-k |
fixed bias |
| Wa+g2 |
35 W, between 100 kΩ and 220Ω |
| Capacitances |
| Cg1 |
16.5 pF |
| Ca |
10 pF |
| Cg1-a |
2.3 pF |
