# valve amplifier

> type of electronic amplifier

**Wikidata**: [Q786212](https://www.wikidata.org/wiki/Q786212)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Valve_amplifier)  
**Source**: https://4ort.xyz/entity/valve-amplifier


## References

1. Integrated Authority File
2. Freebase Data Dumps. 2013
3. YSO-Wikidata mapping project
4. National Library of Israel