EF91
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HF Pentode
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IF Amplifier
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6.3 V, 0.3 A Heater
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Base B7G
Rating
| Pa(max) | 2.5 | W |
Characteristics
| Va | 250 | V |
| Vg3 | 0 | V |
| Vg2 | 250 | V |
| Vg1 | -2 | V |
| Ia | 10 | mA |
| Ig2 | 2.5 | mA |
| gm | 7.5 | mA/V |
| ra | 1 | MΩ |
HF Pentode
IF Amplifier
6.3 V, 0.3 A Heater
Base B7G
| Pa(max) | 2.5 | W |
| Va | 250 | V |
| Vg3 | 0 | V |
| Vg2 | 250 | V |
| Vg1 | -2 | V |
| Ia | 10 | mA |
| Ig2 | 2.5 | mA |
| gm | 7.5 | mA/V |
| ra | 1 | MΩ |