yeah.. for 30$ it's worth a try... these fuses are showing up everywhere! I mean, they are advertising on forums, magazines and all.
Hi Fi Tuning Fuses & Ayre
Has anyone installed Hi-Fi Tuning Fuses or other upgraded fuses in his or her Ayre C-5xe cdp or K-1xe preamp? If so, which fuses and what changes did you notice in the sound?