I still dont get that hype for getting speaker taps for Hifiman headphones. Can you tell any objective reason for doing this?
Another ******** is that big, complicated circuit is advantage vs smaller one. Im using such headamp now with HE5LE and my friend has it with HE6. Its made by known headfier michelangelo who has a lot of knowledge how to correctly implement circuit and whats important:
Have a look at interior - you think its worse because no PCB at full box, audiophile capacitors etc.? I wish you could hear it then.
I also wrote topic at diyaudio.com looking for best amp for such planars. Reasonable comments and pure math how much power we need for Hifimans (HE5LE in that topic):