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Echo 2

speech synthesizer card (Apple II)
Class type of: Apple II peripheral card Q5332675

Facts

4 properties
Instance of
expansion card
Subclass of
Apple II peripheral card[2]
Has use
speech synthesis[3]
Use
speech synthesis
🏷️ Also known as
en Echo 2
🔖 Identifiers · 1
Freebase ID
/m/05zyp8_

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Has use 1
speech synthesis
Instance of 1
expansion card
Subclass of 1
Apple II peripheral card
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Summary

Echo 2 is an expansion card[1].

Related Entities

Apple II peripheral card expansion card

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . Retrieved . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). Echo 2. Retrieved November 11, 2026, from https://4ort.xyz/entity/echo-2
MLA “Echo 2.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Nov. 2026, https://4ort.xyz/entity/echo-2.
BibTeX @misc{4ortxyz_echo-2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Echo 2}}, year = {2026}, url = {https://4ort.xyz/entity/echo-2}, note = {Accessed: 2026-11-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Echo 2 — https://4ort.xyz/entity/echo-2 (retrieved 2026-11-11)

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