All credit goes to skikarl he created this video I just thought I would share it in a convenient location for others to find it. While this will not match the HD 595 performance exactly because the original HD 595 still retains more of a flatter frequency response curve. It will improve the sound of your HD 555 in a noticeable matter.
You will need:
- Phillips screwdriver
- Flat head screwdriver
- small pair of pliers
You will need:
- Phillips screwdriver
- Flat head screwdriver
- small pair of pliers