To create a vdc file for the DDC, there are 2 possibilities.
1. Find a frequency response graph someone has measured with proper equipment. Create a vdc or have it created by someone who can do it (instructions were given by Joe0Bloggs).
2. Use your own ears to profile it, equalize it to your liking. Save the equalizer or get the values, invert them and again, create a vdc file or have one created.
E.g. for Joe's policy of creating it (and still, without your own impression or a frequency response graph it's highly unlikely to become reality), you can either donate to boost your priority or you have to wait in a queue with all other requests. For details see the opening post by Joe.
I don't want to put Joe under pressure, but given the example of the SoundMAGIC E10, there were several donors and Joe was able to buy the E10 for himself and tune them afterwards. Maybe that is an option.