> 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/akg/k240-df.md).

# K240 DF

Measurement taken with old crumbly stock foam (probably quite close to old stock measurement)

<figure><img src="https://31762434-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M4NrSugToAwYkW0a8hV%2Fuploads%2FCEmwFBDSGYGv5IaWCc5z%2FAKG%20K240%20DF%20Thermolam.jpg?alt=media&amp;token=4a37d307-6fae-4782-8776-cf821f8b4e54" alt=""><figcaption></figcaption></figure>