Showing 50BM8 and all of its variations. Other filters are hidden while viewing variations.
| Heater | 50 V / 100 mA |
|---|---|
| Plate | S1: 250 V / 1 WS2: 250 V / 7 W |
| Screen | S2: 250 V / 1.8 W |
| Ik max | S1: 15 mAS2: 50 mA |
| rP | S2: 15,000 Ω |
| gm | S1: 2.5 mA/VS2: 6.8 mA/V |
| μ | S1: 70S2: 9.5 |
9 pins - B9A - Small-button Noval 9-contact
Triode/power-pentode combination for compact audio and receiver circuits, with a 7 W pentode output section.
| Heater | 50 V / 100 mA |
|---|---|
| Plate | S1: 300 V / 1 WS2: 600 V / 7 W |
| Screen | S2: 300 V / 2 W |
| Ik max | S1: 15 mAS2: 50 mA |
| rP | S1: 28,000 ΩS2: 16,000 Ω |
| gm | S1: 2.2 mA/VS2: 7.5 mA/V |
| μ | S1: 70S2: 9.5 |
9 pins - B9A - Small-button Noval 9-contact
Series-heater triode/pentode combination for audio voltage amplification and approximately 5 W power output.
| Expand sections | More | Electrical Summary | General Summary | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power - Pentode (NOT beam)Pentode-TriodeDissimilar |
| 9 pins - B9A - Small-button Noval 9-contact Triode/power-pentode combination for compact audio and receiver circuits, with a 7 W pentode output section. | |||||||||||||||||
| Power - Pentode (NOT beam)Pentode-TriodeDissimilar |
| 9 pins - B9A - Small-button Noval 9-contact Series-heater triode/pentode combination for audio voltage amplification and approximately 5 W power output. |