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Thread: Fuses ( Iíve never tried them for sq improvement)

  1. #1
    Join Date: May 2016

    Location: Milton Keynes

    Posts: 2,843
    I'm Andrew.

    Default Fuses ( Iíve never tried them for sq improvement)

    Thought this was worth sharing....


    https://mcru.co.uk/wp-content/upload...f3icYpozj4fJ_M


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  2. #2
    Join Date: Dec 2017

    Location: limerick

    Posts: 124
    I'm charles.

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    Well now, that's very interesting.
    Thanks

  3. #3
    Join Date: Jan 2009

    Location: Essex

    Posts: 26,104
    I'm openingabottleofwine.

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    I have been aware of this report for the last 10 years, and have a copy.

    It might look impressive, but as a test report it leaves much to be desired. My main criticisms are:

    [1] The test equipment used is not itemised and named. Thus we have no idea of the specification and accuracy of the test equipment.

    [2] There is no statistical analysis. Measurements appear to have been made only once, so we have no idea of repeatability and statistical spread of results.

    [3] The work was commissioned by Hi-Fi Tuning, and the report written by GMCOM Technologies GmbH not surprisingly endorses the use of Hi-Fi Tuning fuses.


    Many of the differences measured between various fuses are likely to be within the accuracy of the test equipment. Some are inconsistent. Other test results are easily explained (such as the higher impedance of 'spiral' wound fuses compared with solder types), and some results are irrelevant (such as the impedance of fuses at MHz frequencies).

    It makes for interesting reading, but I don't give it great import.
    Barry

  4. #4
    Join Date: May 2016

    Location: Milton Keynes

    Posts: 2,843
    I'm Andrew.

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    Me neither. I use Bussmann fuses because they work as a fuse


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  5. #5
    Join Date: Jan 2009

    Location: Essex

    Posts: 26,104
    I'm openingabottleofwine.

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    Be aware of Chinese counterfeit Bussmann fuses, especially those that supposedly conform to BS1362.
    Barry

  6. #6
    Join Date: Jul 2009

    Location: Hampshire, UK

    Posts: 3,484
    I'm Adam.

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    I've read some pointless crap in my time but that's right up there in the Top 5...
    Engineers: fixing problems you didn't know you had in ways you don't understand.

  7. #7
    Join Date: May 2016

    Location: Milton Keynes

    Posts: 2,843
    I'm Andrew.

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    Quote Originally Posted by Beobloke View Post
    I've read some pointless crap in my time but that's right up there in the Top 5...



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  8. #8
    Join Date: May 2012

    Location: Toulouse, France

    Posts: 5,671
    I'm Kevin.

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    Woukd the results have been better if hifi tuning fuses were fitted in tbe test equipment?
    Kevin

    Too busy enjoying the music....

    European loan coordinator for Graham Slee HiFi system components..

  9. #9
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,037
    I'm AudioAl'sArbiterForPISHANTO.

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    'Fuses'... Wot be those, then?

    The best fuse is no fuse.

    Marco [hard-wired and proud]
    Main System

    Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & reg mods]. Funk Firm APM Achromat/Nagaoka GL-601 Crystal Record Weight/Isonoe feet & boots/Ortofon RS-212D/Denon DL-103GL in Denon PCL-300 headshell with Funk Firm Houdini/Kondo SL-115 pure-silver cartridge leads.

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp/Denon AU-310 SUT.

    Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.

    CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.

    Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new, by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.

    Preamps: Heavily-modified Croft Charisma-X. LDR Stereo Coffee. Power Amps: Tube Distinctions Copper Amp fitted with Tungsol KT-150s. Quad 306.

    Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.

    Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.

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  10. #10
    Join Date: Oct 2008

    Location: Glasgowshire

    Posts: 8,966
    I'm Gary.

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    Quote Originally Posted by Marco View Post
    'Fuses'... Wot be those, then?

    The best fuse is no fuse.

    Marco [hard-wired and proud]
    "Whats your vector Victor...?"

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