Do you need better mains cables to see the benefit?
I am thinking that if I were to try one, the pre amp would be the place I would think it would have the most benefit.
Where did you get the fuse from, as the 30 day return would be most useful.
Funkified Technics SL1200 Mk2 (Funk FX-1200+, Hana SL/AT33PTG/II/, Funk Firm "Strata" platter, "Spin" bearing and BO!NG Isolation feet, MCRU/LDA PSU). Pioneer PD-S703. Caiman II. Firebottle KIN. Firebottle AIR, Graham Slee Solo Ultra Linear Headphone amp. Electric Beach FH3 with Taket BatPure super tweeters. Sennheiser HD540 Reference II & HD650. DIY Klotz MC5000/MS Audio interconnects. Talk cable 3 speaker cable. Power Inspired AG1500