Hiss is normal and fine ! it's the signal to noise ratio! that number is a better indicator if one is worried and if nothing is reaching the chair your golden.
Video: noise floor and tweeter hiss, what do you think?
Recorded this video about noise floor and tweeter hiss: https://youtu.be/cuwStFuqs0o
Comparing Gryphon Essence to Dan D’Agostino Momentum.
Curious to see your suggestions and ideas.