My dealer convinced me to try the synergistic research purple fuses in my Rogue Audio. This difference was not subtle. I felt like I had a new upgraded amp. Sound opened up. No idea how it works but maybe it’s akin to upgrading your tubes. Now I have em in my preamp and phono. Like previous folks said, give em a try.
As with many others on the thread that actually tried them, yes I tried SR fuses with the option to return for a refund and I kept them. Subtle but noticeable. YMMV
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