I think it is in the Amplifeel. I have used the BLX 95, New BLX 95, and both of the new blades with Amplifeel. The Ampifeel models seem stiffer and lack feel. Could be the fiber strips in the handle, but I switched back to the older version. Seemed to have more touch and feel. I know Ampifeel was designed to reduce vibrations, but for me it lacks feel and seems stiff.
Also purchased an 16x19 blade and it felt the same way. For some strange reason came out of my hand several times during a match. I never lose a racket during play, plus had a sore forearm. Something different for sure!
Best 6.1 ever was the Red one, still have a few of them.