Showing 6DR8 and all of its variations. Other filters are hidden while viewing variations.
| Heater | 6.3 V / 300 mA |
|---|---|
| Plate | S3: 50 V |
| Screen | S3: 50 V |
| rP | S3: 200,000 Ω |
| gm | S3: 2.1 mA/V |
B9A - Small-button Noval 9-contact
Double-diode pentode designed for IF amplification, detection, and automatic gain control in automobile radio receivers.
| Heater | 6.3 V / 300 mA |
|---|---|
| Plate | S1: 50 V |
| Screen | S1: 50 V |
| Ik max | S1: 5 mA |
| Rectifier | S2: 0.8 mA |
| rP | S1: 200,000 Ω |
| gm | S1: 2.1 mA/V |
9 pins - B9A - Small-button Noval 9-contact
Double-diode pentode for receiver amplification and detector service, notable for useful operation at unusually low electrode voltages. Two diodes provide associated detection and rectification functions.
| Expand sections | More | Electrical Summary | General Summary | ||||||||||||||||
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| Voltage Pentode or Tetrode (with diode)Diode-Diode-PentodeDissimilar |
| B9A - Small-button Noval 9-contact Double-diode pentode designed for IF amplification, detection, and automatic gain control in automobile radio receivers. | |||||||||||||||||
| Voltage Pentode or Tetrode (under 100V)Diode-Diode-PentodeDissimilar |
| 9 pins - B9A - Small-button Noval 9-contact Double-diode pentode for receiver amplification and detector service, notable for useful operation at unusually low electrode voltages. Two diodes provide associated detection and rectification functions. |