Data Sheet
https://github.com/Nakazoto/ue555/blob/main/UE555_Datasheet_v0.1.pdf
+24 and -12

That would be pretty cool.

@HopelessDemigod Ahh, thank you. Not familiar with that tube as its a 7 pin sharp-cutoff pentode. Designed for use as an FM Limiter but not used very much outside that application for audio - input tubes on a tube amp for example.
He did say you can use other tubes in the video, and some perform better than others.
Probably the only ESD-proof 555 timer ever made
Without a doubt.
That’s a big negative.