Showing EM87 and all of its variations. Other filters are hidden while viewing variations.
| Heater | 6.3 V / 300 mA |
|---|
9 pins - B9A - Small-button Noval 9-contact
Electron-ray audio-level indicator designed specifically for tape recorders, providing a fluorescent visual display of changing recording signal level.
| Heater | 6.3 V / 300 mA |
|---|---|
| Plate | S1: 300 V / 0.6 WS2: 300 V |
| Ik max | S2: 5 A |
9 pins - B9A - Small-button Noval 9-contact
Sensitive tuning and level indicator combining an amplifying triode with a fluorescent display for receiver tuning, signal-strength, and other variable-level indication.
| Expand sections | More | Electrical Summary | General Summary | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Tuning IndicatorTriode-TuningIndicatorDissimilar |
| 9 pins - B9A - Small-button Noval 9-contact Electron-ray audio-level indicator designed specifically for tape recorders, providing a fluorescent visual display of changing recording signal level. | |||||||||
| Tuning IndicatorTriode-TuningIndicatorDissimilar |
| 9 pins - B9A - Small-button Noval 9-contact Sensitive tuning and level indicator combining an amplifying triode with a fluorescent display for receiver tuning, signal-strength, and other variable-level indication. |