Mine were recabled with something schitty so that could be to blame. I actually preferred the ksc-35 back in the day but they were prone to getting rattley after a while. They were warmer though, I imagine they'd measure smoother and more neutral. Would be interesting to see. I'm suspicious that the titanium coating on the ksc-75 was done for durability, not SQ.
I love using the ksc-75 for comparison on head-fi. Always fun to say that I prefer them to a 1k flagship. :-)