![Headphone outputs : lots of measurments and one ABX | Headphone Reviews and Discussion - Head-Fi.org Headphone outputs : lots of measurments and one ABX | Headphone Reviews and Discussion - Head-Fi.org](http://3141592.pio2001.online.fr/pictures/chaud7/20090613_nitri/001_impedances.png)
Headphone outputs : lots of measurments and one ABX | Headphone Reviews and Discussion - Head-Fi.org
Effect of output impedance on headphone with a flat impedance-freq curve | Audio Science Review (ASR) Forum
![Does anyone know what do those ohms markings on the left y-axis mean? My first guess was it has something to do with headphone scaling but I can't read it in a Does anyone know what do those ohms markings on the left y-axis mean? My first guess was it has something to do with headphone scaling but I can't read it in a](https://preview.redd.it/does-anyone-know-what-do-those-ohms-markings-on-the-left-y-v0-mmzlt5yo1ci81.png?width=640&crop=smart&auto=webp&s=966b88ef463e9e9cfdd9432f77df94e701fe4fa2)
Does anyone know what do those ohms markings on the left y-axis mean? My first guess was it has something to do with headphone scaling but I can't read it in a
![Effect of source output impedance on headphone frequency response | Headphone Reviews and Discussion - Head-Fi.org Effect of source output impedance on headphone frequency response | Headphone Reviews and Discussion - Head-Fi.org](https://cdn.head-fi.org/a/9688688.png)