Open Alpha DIY Headphone

Dan Clark Audio (formerly known as MrSpeakers) has kindly made public the files and instructions for creating his famed Alpha Dog / Alpha Prime planar magnetic headphones. The project uses the headband and drivers from a set of Fostex RP-series headphones, along with other parts and materials, to create true audiophile-level headphones:

https://www.head-fi.org/threads/open-alpha-t50-3d-printed-headphone-project-from-mrspeakers.825868/

These are files I have created or modified based on those provided from Dan Clark (MrSpeakers). Any attribution should include him. https://www.danclarkaudio.com/

All of the ear cup files here include reinforced screw hole bosses to make them less likely to twist off when printed with filament printers.

There are three different versions of the ear cups:

1) The original files (which use a hirose connector) with reinforcement added.

2) A modified design (which uses a 2.5mm mono TR jack) also reinforced.

3) A modified design (which repl