12AU7

miniature medium-gain dual triode vacuum tube, probably the first Noval (B9A) tube ever
Place vacuum_tube_model Q4548668
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12AU7

Summary

12AU7 is a vacuum tube model[1]. 12AU7 draws 56 Wikipedia views per month (vacuum_tube_model category, ranking #6 of 18).[2]

Key Facts

  • 12AU7's image is recorded as 12AU7 Tronix.jpg[3].
  • 12AU7's instance of is recorded as vacuum tube model[4].
  • 12AU7's subclass of is recorded as double triode[5].
  • 12AU7's Commons category is recorded as 12AU7/ECC82[6].
  • 12AU7's said to be the same as is recorded as ECC82[7].
  • +1948-00-00T00:00:00Z marks the founding of 12AU7[8].
  • +1946-00-00T00:00:00Z marks the founding of 12AU7[9].
  • 12AU7's Freebase ID is recorded as /m/0bh412[10].
  • 12AU7's described at URL is recorded as https://www.radiomuseum.org/tubes/tube_12au7.html[11].
  • 12AU7's complies with is recorded as RETMA tube designation[12].
  • 12AU7's complies with is recorded as Mullard–Philips tube designations[13].
  • 12AU7's schematic is recorded as EIA-9A.svg[14].
  • 12AU7's Microsoft Academic ID is recorded as 2779699402[15].
  • 12AU7's Radiomuseum vacuum tube/transistor ID is recorded as 12au7[16].

Body

Designation and Status

12AU7's instance of is recorded as vacuum tube model[4].

History and Context

Recorded inception include +1948-00-00T00:00:00Z[8] and +1946-00-00T00:00:00Z[9].

Why It Matters

12AU7 draws 56 Wikipedia views per month (vacuum_tube_model category, ranking #6 of 18).[2] 12AU7 is known by 11 alternative names across languages and contexts.[17]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . radiomuseum.org. radiomuseum.org. Provenance: wikidata.org.
  6. [8] . radiomuseum.org. radiomuseum.org. Provenance: wikidata.org.
  7. [9] . radiomuseum.org. radiomuseum.org. Provenance: wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [17] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). 12AU7. Retrieved May 3, 2026, from https://4ort.xyz/entity/12au7
MLA “12AU7.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/12au7.
BibTeX @misc{4ortxyz_12au7_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{12AU7}}, year = {2026}, url = {https://4ort.xyz/entity/12au7}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 12AU7 — https://4ort.xyz/entity/12au7 (retrieved 2026-05-03)

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