Just to refresh my evaluations. The bottom line is: I had the 2 different tubes at the same time. There is a difference between the Global & the non Global in my system. Why don't members just try for themselves @ the cost of return shipping. This would stop all the inane posturing that's being discussed about these tubes. This weekend I changed Carts on my GAE from Hana ml (240) hrs. to my Cadenza Black (83) hrs. on an SME 309.
With the Globe's, my system has NEVER sounded so good. I have K/R, Sylvania JAN & Tong Sols, tried every combo & with the 4 Global in my Don Sach's their staying.

