Electronics: Filter for AD1955 DAC

This DAC filter board was designed specifically to go into my Cambridge 851D DAC.
It is based on the schematic provided in the datasheet.
I was able to re-use some of the vREF points from the Cambridge DAC, however I have made provision for these on the board.
Unfortunately I forgot to align the component reference designations with the actual layout. However it's still quite easy to see where they go.
All project files can be downloaded here - these were generated using DipTrace