Although I agree the difference is immediately apparent compared to softer, springier multis, I don’t remember sensing that much difference compared to multis like HDMX, NXT Control, and Multi Sensa. However, I can play HDMX and NXT Control in the mid-50s with no discomfort (I would not choose to play fb cream in the mid-50s), so based on what you and
@veelium are saying, Triax might be stiffer than I remember (I only used it once a long time ago). With HDMX gone, it's on my list to try again. What tension do you string it at?