7788
The 7788 (European equivalent E810F) is a long life, shock and vibration resistant pentode with B9A (Noval) miniature 9-pin base.
It is used as the output tube in the vertical power amplifier of 585A.
Tek part number: 154-0420-00
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7788 pair in RM585 VAmp output stage
Links
- Amperex 7788 Datasheet (PDF)
- 7788 / E810F @ radiomuseum.org