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Thread: Linear vs Switched mode PSU

  1. #261
    Join Date: Oct 2012

    Location: NE England

    Posts: 4,173
    I'm Jez.

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    The "tragedy" of all this is , to me, that the whole idea of mains cables, fuses, spurs etc making a difference is ridiculous, ludicrous etc and one would have been laughed at for even suggesting any of these things could make a difference only a comparatively short time ago, and quite rightly! (my posts 173 and 207 should I hope convince rational people of this). We have now ended up in a situation where clever marketing, bought reviewers with advertising money to think of, slick salesmen etc have managed to convince the non technical audiophile that the ridiculous and impossible are real and worthwhile... you couldn't make it up! To go back to a medical analogy I used before, it has become so that the average patient has been "brainwashed" into thinking their illness is really caused by "the evil eye" or a demon and myself as "the doctor" is struggling to persuade otherwise rational people that it's actually high blood pressure, diabetes, heart disease or whatever
    Arkless Electronics-Engineered to be better. Tel. 01670 530674 (after 1pm)

    Modded Thorens TD150, Audio Technica AT-1005 MkII, Technics EPC-300MC, Arkless Hybrid MC phono stage, Arkless passive pre, Arkless 50WPC Class A SS power amp, (or) Arkless modded Leak Stereo 20, Modded Kef Reference 105/3's
    ReVox PR99, Studer B62, Ferrograph Series 7, Tandberg TCD440, Hitachi FT-5500MkI, also FT-5500MkII
    Digital: Yamaha CDR-HD1500 (Digital Swiss army knife-CD recorder, player, hard drive, DAC and ADC in one), PC files via 24/96 sound card and SPDIF, modded Philips CD850, modded Philips CD104, modded DPA Little Bit DAC. Sennheiser HD580 cans with Arkless Headphone amp.
    Cables- free interconnects that come with CD players, mains leads from B&Q, dead kettles etc, extension leads from Tesco

  2. #262
    Join Date: Jul 2017

    Location: Crook, County Durham, UK

    Posts: 48
    I'm Christopher.

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    Quote Originally Posted by Arkless Electronics View Post
    The "tragedy" of all this is , to me, that the whole idea of mains cables, fuses, spurs etc making a difference is ridiculous, ludicrous etc and one would have been laughed at for even suggesting any of these things could make a difference only a comparatively short time ago, and quite rightly! (my posts 173 and 207 should I hope convince rational people of this). We have now ended up in a situation where clever marketing, bought reviewers with advertising money to think of, slick salesmen etc have managed to convince the non technical audiophile that the ridiculous and impossible are real and worthwhile... you couldn't make it up! To go back to a medical analogy I used before, it has become so that the average patient has been "brainwashed" into thinking their illness is really caused by "the evil eye" or a demon and myself as "the doctor" is struggling to persuade otherwise rational people that it's actually high blood pressure, diabetes, heart disease or whatever
    So, in that case, anyone who hears a difference from different mains cables, running a dedicated radial etc...is what?

    I agree there are some "slick salesmen" and "bought reviewers" out there but they do not attach themselves only to products that do not work...

  3. #263
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,012
    I'm AudioAl'sArbiterForPISHANTO.

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    Quote Originally Posted by Arkless Electronics View Post
    The "tragedy" of all this is , to me, that the whole idea of mains cables, fuses, spurs etc making a difference is ridiculous, ludicrous etc and one would have been laughed at for even suggesting any of these things could make a difference only a comparatively short time ago, and quite rightly!
    What good do you hope to achieve by laughing at people who simply disagree with you, Jez?

    What do you think that's likely to solve? Do you think it's respectful to treat people that way, some of whom here may be your customers, and what do you think their reaction will be to your ridicule....? Does it make for creating friendly relations?

    You need to stop being so selfish, as to only consider YOU, whilst not giving a damn about anyone else.

    Marco.
    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.

    Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.


    Protect your HUMAN RIGHTS and REFUSE ANY *MANDATORY* VACCINE FOR COVID-19!

    Also **SAY NO** to unjust 'vaccine passports' or certificates, which are totally incompatible with a FREE society!!!


  4. #264
    Join Date: Feb 2008

    Location: South Wales

    Posts: 9,151
    I'm NotTakingLifeTooSeriouslyTheseDays.

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    The test for me proves that we do actualy hear what we hear,
    Ie; when we listen to a piece of equipment that we feel to be very revealing, we hear information within a recording that might otherwise be masked by an inferior version of the same equipment, If we had first heard the piece of equipment that we thought inferior in the begining of the test, then once we heard the better version, we would have realised what we were missing, that is what the test is actualy proving, even though you couldnt make out the words in the first version of the message, once you had heard the original, you could easily identify what was being said in the first version, this is what happens when you compare many things, not just Audio, so why the big deal ? I am not sure what this test is meant to prove, all it proved to me is that I actualy do hear the diffrences between diffrent amplifiers, and other pieces of kit.
    Quote Originally Posted by RothwellAudio View Post
    Here's the link to the video mentioned above, just in case anyone doesn't want to follow a link to a link.
    https://www.theatlantic.com/technolo...unhear/373036/

    Yes, I had a demonstration of this exact phenomenon about 35 years ago and I've never forgotten it. It shows very clearly that judging things by simply listening isn't a simple matter.
    "Today scientists have substituted mathematics for experiments, and they wander off through equation after equation, and eventually build a structure which has no relation to reality"
    Nikola Tesla



    Its now a conspiracy theory to believe that the Immune system is capable of doing the job it was designed to do.
    A fish is only as healthy as the water its swimming in ! [Dr Robert Young]


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  5. #265
    Join Date: Jul 2017

    Location: Crook, County Durham, UK

    Posts: 48
    I'm Christopher.

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    I, and many others, disagree with Jez on the subject. Many others may, perhaps, agree with Jez. Positions are clear.

    We could go round in circles...but, instead, how about a bake off? Switched vs Linear. Jez is invited, of course.

  6. #266
    RothwellAudio Guest

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    Quote Originally Posted by anthonyTD View Post
    The test for me proves that we do actualy hear what we hear,
    Ie; when we listen to a piece of equipment that we feel to be very revealing, we hear information within a recording that might otherwise be masked by an inferior version of the same equipment, If we had first heard the piece of equipment that we thought inferior in the begining of the test, then once we heard the better version, we would have realised what we were missing, that is what the test is actualy proving, even though you couldnt make out the words in the first version of the message, once you had heard the original, you could easily identify what was being said in the first version...
    Yes, I'm well aware that that is what the demonstration shows. I didn't think it needed explanation.
    Quote Originally Posted by anthonyTD View Post
    ...this is what happens when you compare many things, not just Audio, so why the big deal ? I am not sure what this test is meant to prove, all it proved to me is that I actualy do hear the diffrences between diffrent amplifiers, and other pieces of kit.
    It's meant to prove that the order in which you audition things makes a difference.

  7. #267
    RothwellAudio Guest

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    Quote Originally Posted by PalsHuffMor View Post
    how about a bake off? Switched vs Linear.
    Because a simple SMPS vs. linear test using just one piece of kit wouldn't be sufficient to draw general conclusions.

  8. #268
    Join Date: Mar 2017

    Location: West Sūžsēaxe

    Posts: 2,015
    I'm Edward.

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    Quote Originally Posted by PalsHuffMor View Post

    ...but, instead, how about a bake off? Switched vs Linear.
    Love to!

    Just as soon as I can get someone to finish off my part built 'magic foo sounding' LPSU. Of course it needs to be done by someone who is a 'believer' so as to add the magic ingredient. Until then I'm an agnostic.
    Current: [P20] Roon/Tidal > Custom PC> Chevron Paradox NDF16 > Phast Pre > Neuro. 686 > Tannoy Berkley (RFC tweaks)


  9. #269
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,012
    I'm AudioAl'sArbiterForPISHANTO.

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    Quote Originally Posted by PalsHuffMor View Post
    I, and many others, disagree with Jez on the subject. Many others may, perhaps, agree with Jez. Positions are clear.

    We could go round in circles...but, instead, how about a bake off? Switched vs Linear. Jez is invited, of course.
    That's a perfectly good suggestion, Chris, and one I'd personally be up for.

    My point was that *no-one* here gets to laugh at anyone, simply because they think differently or have different experiences, and anyone who disagrees can find another forum to post on, as I simply won't permit that type of intolerant behaviour.

    Marco.
    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.

    Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.


    Protect your HUMAN RIGHTS and REFUSE ANY *MANDATORY* VACCINE FOR COVID-19!

    Also **SAY NO** to unjust 'vaccine passports' or certificates, which are totally incompatible with a FREE society!!!


  10. #270
    RothwellAudio Guest

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    Quote Originally Posted by Marco View Post
    ... I simply won't allow that kind of intolerant behaviour.
    You mean you're intolerant?

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