> For the complete documentation index, see [llms.txt](https://itsgreq.gitbook.io/headphone-measurements/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://itsgreq.gitbook.io/headphone-measurements/yamaha/hp-1.md).

# HP-1

<figure><img src="https://31762434-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M4NrSugToAwYkW0a8hV%2Fuploads%2F52V4lC0Wu4lSKB62eoH9%2FYamaha%20HP-1.png?alt=media&amp;token=cc015bf0-e239-46e4-ac59-32cb50b139b6" alt=""><figcaption></figcaption></figure>

<figure><img src="https://31762434-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M4NrSugToAwYkW0a8hV%2Fuploads%2FQ9F0Q12ogph2SYRrEuZd%2FYamaha%20HP-1%20(forced%20seal).png?alt=media&amp;token=df7e6eae-7676-476e-ba03-9a578b499b3e" alt=""><figcaption></figcaption></figure>