Anytime you passivley split a signal you are increasing the noise to signal ratio significantly. What I mean by this is that your "good" signal is cut in half while your noise floor stays the same.
Interesting. That may explain why it seems the pups almost seem to be hotter in ROS mode. I know my explaination doesn't make sense.
No cracking or popping like a broken cable produces. Just loud creaking noises when I move the cable.