Thanks yyzsantabarbara - eery how similar our paths have been, similarities on what we’ve run for gear.
I love the Krell Amp - didn’t get a chance to compare the 300xd using the Krell Pre vs the CSiB as a pre with it. My memory of the CSiB being used as a pre was I preferred it to the Krell but without being able to do a direct comparison, hard to tell if that would really be the case. Called Coda and asked about the differences I would hear, jumping to the 07x - they said minimal if I was using the XLR inputs, that said, the 300xd sounds to my ears better using the XLR inputs - seems to be designed that way, had to use the rca output / inputs when I was using the CSiB as a pre.
Have you tried any other Pre’s with the 175xd? I’m toying with trying a tube pre but tougher to find balanced tube pre’s - some have them but not as common on tube gear.