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B9A - Small-button Noval 9-contact
Seven-grid tube for combined limiting and frequency-discriminator service in FM receiving circuits, integrating nonlinear limiting and FM detection in one specialized structure.
B9A - Small-button Noval 9-contact
Multi-grid detector tube designed specifically for frequency- and phase-discriminator service in radio and television receiving circuits.
| Expand sections | More | Electrical Summary | General Summary | ||||||||||||
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6BE7Specialized | Voltage - Radio Detector ConverterOther |
| B9A - Small-button Noval 9-contact Seven-grid tube for combined limiting and frequency-discriminator service in FM receiving circuits, integrating nonlinear limiting and FM detection in one specialized structure. | ||||||||||||
EQ80Specialized | Specialized - UncategorizedOther |
| B9A - Small-button Noval 9-contact Multi-grid detector tube designed specifically for frequency- and phase-discriminator service in radio and television receiving circuits. |