6GM8
The 6GM8 (European type ECC86, Russian 6Н27П) is a twin-triode tube with a B9A (Noval) miniature 9-pin base.
It was originally intended for functions like mixers in FM tuning section of car radios and can be operated on very low anode voltages.
Tek part number: 154-0259-00
Links
- 6GM8/EC86 Datasheet (PDF)
- 6GM8 / ECC86 @ radiomuseum.org]