Effect of output impedance on headphone with a flat impedance-freq curve | Audio Science Review (ASR) Forum
![Archimago's Musings: MEASUREMENTS / MUSINGS: Headphone impedance, sensitivity, efficiency, and amplifier output impedance. (And a quick thought on Darko's "All You Need Is...") Archimago's Musings: MEASUREMENTS / MUSINGS: Headphone impedance, sensitivity, efficiency, and amplifier output impedance. (And a quick thought on Darko's "All You Need Is...")](https://1.bp.blogspot.com/-lQ_Cw0p3Q2Y/YHW-ta4p5mI/AAAAAAAAaHY/3a4gXVT93kUbXCbnKmO3-4yMozVkvToJACLcBGAsYHQ/s2048/All%2BHeadphone%2BImpedances%2BLOG%2BScale%2B-%2BLarger.png)
Archimago's Musings: MEASUREMENTS / MUSINGS: Headphone impedance, sensitivity, efficiency, and amplifier output impedance. (And a quick thought on Darko's "All You Need Is...")
![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 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)