> 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/akg-k140.md).

# K140

Low accuracy measurement due to sealing problems with old ear pads

Very pleasing mid-centric tuning. Get a powerful portable amp with good EQ, crank up the treble and bass and you've got a fun little vintage portable.

<figure><img src="https://31762434-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M4NrSugToAwYkW0a8hV%2Fuploads%2F95mfl7LD4DCMjJVtLk2U%2FAKG%20K140.jpg?alt=media&amp;token=43ce49ce-3186-4c6e-8c45-7ab84b99eaa8" alt=""><figcaption></figcaption></figure>

![](https://31762434-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M4NrSugToAwYkW0a8hV%2F-MMKM4urRp5sPWKoJUnl%2F-MMKMsQMJmkoAVGTLiJh%2F_DSC4970.jpg?alt=media\&token=e498b087-3663-4255-b4c3-57eeff597e1e)