• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

audiophile fuses: fake or true ?

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A friend of me is a audiophile. He has a luxman SQN150. If I look at the specs, I see 2x ECC83 and 4x EL84, so this must be a PP circuit,
His last investment was to replace the standard 5x20 fuse with a "special" fuse bought at a dutch hifi shop. He claims that he can hear a significant difference. At the (dutch)website where they sell this stuff there is a description wich made me laugh: " these fuses have the latest innovation on passive Quantum Inductive coupling. After the specific conditioning process followed by a signal of 1.000000 Volt called quantum tunneling it is causing the conducting channels within the special melting wire to change. After that theÿ add a quantum inductive surface wich contains graphene ( carbon of one atom layer in a hexagonal structure) to stabilize the electrical wave which feeds the system.

Wow, that sound cool. Price for this item varies from 75 -200 euro's (!). that sounds like ******** to me. I made several tube amps for friends of me and use good components within the design like metal film resistors, oil filled capacitors and good output transformers like Lundahl or toroid ones; that's worth it. But, a fuse wich is only is between the mains ac input and the (toroid) power transformer followed by a tube rectifier and classic R/C/L circuit cannot ( to my opinion) make a difference.

Comments please !
Erik
 
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