Well I'd gladly borrow a Modi 3 for all and any comparisons...would love to hear your thoughts on modi 3 versus that cd player someday. just curious ^^
Sadly, the CDP-X303ES laser pickup is dying (long story short it's impossible to repair these things nowadays), so I'd decided to convert it into a USB DAC. Once that's done, I will allocate a whole day for serious testing and comparison. That will be a very difficult day, because it's already difficult to tell the CDP and Multibit (laptop toslink) apart. Multibit sounds a little brighter and images differently while the CDP seems calmer and has a more realistic imaging...maybe.
<tech blab>
Currently, the CDP is fed I2S by a raspberry pi 1 B+, with an FPGA in between to generate the I2S bit clock from DAC's 45MHz crystal. So rPi is configured as bitcklock slave, but as master for the LR clock - this is the only configuration that works without glitching. And a attiny2313 with magic code that configures the CDP's filter/DAC on power on...
There's a nice USB to I2S board with galvanic isolation and I2S reclocking that also outputs a master clock for the DAC. I've investigated the CDP-X303ES schematic and apparently all the ICs that touch I2S have their clocks synced to the DAC's 45Mhz crystal (I guess thiat's what the "Direct Digital Sync" stands for on the CDP's front panel). I'm planning to connect the 45MHz master clock from the I2S board in place of the DAC's crystal, to maintain the "Direct Digital Sync"...
</tech blab>