This is most curious. My other phono, like Tang, is tubed the EMT, the P1 is more detailed and when past the 50 hour mark was also richer and fuller (I use Tele 803s not the stock JJ 803s) from the midrange down. The EMT does win on adjustability though it loses on noise. That is a big deal for me and my very quiet room. Being quieter than any phono stage I have ever owned, it is also sounds more dynamic. I wonder if the veiling has to do with the internal impedance of his carts. I don't own any carts with high internal impedances so they all work very well with the current drive. I suppose that for those that have multiple high impedance carts on multiple arms, having two current drive inputs and one voltage input wouldn't make sense. I also wonder about phonocables. I use Odin on my graham and the captured cables on my 4-Point and my SAT. Lastly I wonder about the voltage input limits of his preamp. The P1's output is similar to top end digital at 6 as opposed to the usual 1 or 2. Over driving an input does indeed cause what can be described as veiling but is actually signal compression.
An excellent summary
Current input photos work better with low impedance cartridges
There is also the dramatic change of not having a loading resistor in the pathway
They do produce big outputs as cartridges are current sources rather than voltage sources
My experience over a length period with current mode is it is both more detailed dynamic, less coloured and more natural
I can only presume the issue lies elsewhere than the phonostage
Having said this, doesn’t mean a given listener will prefer it to something else, I have a highly modified tube phono, and there I some things I really like about it to my solid state phonos