Interesting. For 230V I always had Fast blow fuses in all my Antipodes servers (I had CX and EX before and DX prior to this). In my current K50 server I have Schurter fuses indeed and they are Fast blow.
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Server + renderer: Antipodes Audio K50 -> DAC: Lampizator Pacific -> Preamp: Coincident Statement MK2 / Kondo M7 / Django TVC -> Power amp: Border Patrol S10 EXD + EXS -> Speakers: BD Design Oris Ultra with AER BD3 fullrangers and active bass with 15" bass drivers, ~110 db sensitivity. Turntable: Jean Nantais Reference MK3. Tonearms: Durand Tonearms Kairos / Graham Supreme 2. Carts: ZYX UNIverse III / Benz LP -> Phono: Coincident Phono / Grandinote Celio. Cabling: High Fidelity Cables. Power distributor: High Fidelity Cables / APL HiFi. R2R: Studer A80. Rack and accessories: Star Sound Technologies.