# KT66

> Audio frequency beam tetrode

**Wikidata**: [Q6338449](https://www.wikidata.org/wiki/Q6338449)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/KT66)  
**Source**: https://4ort.xyz/entity/kt66


## References

1. [Source](https://www.radiomuseum.org/tubes/tube_kt66.html)