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Yamaha DGX-620

digital piano

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionDec 31, 2025
Entity authorityQ2678188
Source-derived summary

The Yamaha DGX-620 is the name of a digital piano (also known as the YPG-625). The lettering DGX encompasses the word Digital Grand whereas YPG stands for Yamaha Portable Grand, and the only difference between the names are the markets they are sold in. It was released by Yamaha Corporation in late 2006, the first model of the DGX/YPG series with weighted keys.

The DGX-620 is an improved version of the earlier Yamaha DGX-520 keyboard. In June 2008 the Yamaha DGX-630 (aka YPG-635) replaced the DGX-620. The next successor, the Yamaha DGX-640, was released in 2010. In 2013, the DGX-650 Digital Piano was released. This was later replaced by the Yamaha DGX-660 (available in the same colors as the 650). The DGX-660 was replaced in 2021 by the DGX-670, which adds a color display, as well as features similar to the PSR-S and -SX series keyboards such as Super Articulation voices and an improved style section. The DGX-670 is now the flagship model of the Portable Grand series.

Editorial summary

The public source identifies “Yamaha DGX-620” as digital piano. This brief keeps that definition visible, then builds a research path around Yamaha, DGX-620 and digital.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—2006, 2008, 2010, 2013—that can be checked directly. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with Yamaha, DGX-620 and digital providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Yamaha DGX-620”, the useful work is to connect “digital piano” to the records capable of establishing context and consequence.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Dec 31, 2025. The linked authority identifier is Q2678188. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2006, 2008, 2010 and 2013.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Yamaha DGX-620”, its source revision and the description used here.
  2. Expand the search: follow Yamaha DGX-620 primary sources, Yamaha DGX-620 archive and Yamaha research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Yamaha DGX-620”?
  2. What terminology or title could unlock a more precise catalogue search?
  3. Which institution is responsible for the underlying evidence?
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Source & attribution

This entry incorporates text from Yamaha DGX-620” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.