I want to share my experience of listening to headphones and speakers, offer recommendations for improving the listening experience and tell how I came to homemade headphones and why I recommend it to everyone (sources included). For the construction, the tape technology of emitters was chosen and it is described why it is preferable to magnetoplanar.
Introduction
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It is necessary to somehow measure the characteristics of the resulting headphones, and this requires complex and expensive equipment in the form of a measuring stereo microphone and high-quality recording equipment. I don't have such equipment, everything was done "by ear", and the price bites.
Finally, a video demonstrating the work.
UPD
Added a video of the assembly diagram