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Thread: Do mains cables make a difference??

  1. #101
    Join Date: Nov 2015

    Location: Wolverhampton

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    I'm Oliver.

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    That's very true. We are all mad
    Quote Originally Posted by Macca View Post
    The joy of anything subjective (like perceived sound quality) is that it doesn't matter that you are fooling yourself, unless fooling yourself makes the experience worse.

    I tried putting those little washing machine feet under a solid state power amp once. Simple, cheap tweak. I quickly took them out again, I was convinced that the sound was subtly worse. Convinced enough to get up, walk the length of the room and remove them. Then I was convinced it sounded better without them. And I mean I was convinced. However at the same time I also know that feet in or out it is not affecting the performance of the power amp one jot. There is zero rational explanation for there being a real effect. Yet I could not help hearing the sound subtly change for the worse with the feet in situ.

    And bear in mind this was supposed to be a positive tweak, albeit a silly one. My expectation was that I would hear no difference.

    It isn't the hobby that is mad it is our brains. They do their own thing. It's scary but it is true.
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  2. #102
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 77,359
    I'm AudioAl'sArbiterForPISHANTO.

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    Quote Originally Posted by Macca View Post
    One that claims to be able to change/improve the sound. So I guess that Oliver's qualifies.
    Ok, so by that token, would you view any interconnects, claimed to change/improve the sound over the 'freebie' ones sometimes supplied with equipment, as "fancy interconnects", ditto with speaker cable, which is claimed to be a step up from bell wire?

    Marco.
    http://www.thestainedglasscompany.com

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  3. #103
    Join Date: Aug 2009

    Location: Staffordshire, England

    Posts: 20,255
    I'm Martin.

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    Quote Originally Posted by Marco View Post
    Ok, so by that token, would you view any interconnects, claimed to change/improve the sound over the 'freebie' ones sometimes supplied with equipment, as "fancy interconnects", ditto with speaker cable, which is claimed to be a step up from bell wire?

    Marco.
    I've no doubt that some of the differences I have heard in interconnects or speaker cables have been imaginary. But it is possible for those things to sound different, you can deliberately make them sound different. Not only that but plenty of people have passed ABX tests on these items. Even James Randi chickened out of offering his million quid when someone told him that there is actually a difference between some cables. He then had to specify that you had to take the challenge using his selection of cables...

    They are conveying the signal that you are eventually going to hear, the mains cable isn't. You are comparing apples and oranges.
    Martin



    Current Lash Up:

    Technics SL1200P CD Player * NVA P90SA passive pre / Krell KSA50S Power amp * JM Lab Electra 926 loudspeakers *



    'The best I advice I ever received was to always remember that no-one else has any idea what they are doing either.'

  4. #104
    Join Date: Apr 2018

    Location: Cornwall

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    I'm Dominic.

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    Quote Originally Posted by Marco View Post
    There we disagree then, which is fine, as it's all about opinions.

    Marco.
    I like disagreements and contra opinions because they can be very fertile thinking grounds provided they are discussed rationally with an end purpose

    There is no argument from me that the average domestic situation can contain all sorts of undesirable 'radiations' like wi-fi, mobile phone signals, cordless phones and mains borne crap from central heatng and washing machines, etc., but the average wi-fi system operates at milliwatt levels, so too does cordless phones and my thinking says they would have to be many hundreds of times stronger to actually energise a mains cable with 240 volts AC already residing there. I do get buzzing noises from the hi-fi if I leave my mobile phone on the rack, but still sceptical that the mains lead is the entry point of that interference.

    As for mains borne noise from washing machines and such-like, I fail to see how three straight lengths of wire can actively eradicate that.
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  5. #105
    Join Date: Aug 2008

    Location: Suffolk, UK

    Posts: 1,152
    I'm Paul.

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    Quote Originally Posted by Macca View Post
    The joy of anything subjective (like perceived sound quality) is that it doesn't matter that you are fooling yourself, unless fooling yourself makes the experience worse.

    I tried putting those little washing machine feet under a solid state power amp once. Simple, cheap tweak. I quickly took them out again, I was convinced that the sound was subtly worse. Convinced enough to get up, walk the length of the room and remove them. Then I was convinced it sounded better without them. And I mean I was convinced. However at the same time I also know that feet in or out it is not affecting the performance of the power amp one jot. There is zero rational explanation for there being a real effect. Yet I could not help hearing the sound subtly change for the worse with the feet in situ.

    And bear in mind this was supposed to be a positive tweak, albeit a silly one. My expectation was that I would hear no difference.

    It isn't the hobby that is mad it is our brains. They do their own thing. It's scary but it is true.
    You could well have caused a detrimental effect by the addition of the feet. You may have put the amp or something in the amp to a point of resonance where vibrations much stronger than before where being caused by transformer vibrations or by the music. Vibration can effect electrical components, especially those that rely on physical distances, such as capacitor plates, or components close to magnetic fields.
    ~Paul~

  6. #106
    Join Date: Aug 2009

    Location: Staffordshire, England

    Posts: 20,255
    I'm Martin.

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    Quote Originally Posted by Primalsea View Post
    You could well have caused a detrimental effect by the addition of the feet. You may have put the amp or something in the amp to a point of resonance where vibrations much stronger than before where being caused by transformer vibrations or by the music. Vibration can effect electrical components, especially those that rely on physical distances, such as capacitor plates, or components close to magnetic fields.
    An interesting conjecture. I suppose it is not impossible but it does seem very unlikely to be true. Whereas the psychological explanation is highly likely to be true.
    Martin



    Current Lash Up:

    Technics SL1200P CD Player * NVA P90SA passive pre / Krell KSA50S Power amp * JM Lab Electra 926 loudspeakers *



    'The best I advice I ever received was to always remember that no-one else has any idea what they are doing either.'

  7. #107
    Join Date: Nov 2011

    Location: Wakefield west yorkshire

    Posts: 1,278
    I'm James.

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    Well I'm with Jez on this
    cambridge audio azur 651w power amp, novafidelity x40 music server/pre/dac, tannoy dc4t]
    , van damme blue series interconnects, van damme studio blue 4mm speaker cable, klotz mc 5000 ,klotz silver hybrid, thanks Brian, fisual hollywood optical cable,, pioneer bdp170, akg k 550

  8. #108
    Join Date: Mar 2017

    Location: Seaford UK

    Posts: 623
    I'm Dennis.

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    Perhaps HI-FI is a disclosing agent/litmus test for the insanity of the human condition.

  9. #109
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 44,093
    I'm Grant.

    Default Do mains cables make a difference??

    Would think the connections will be the main issue here. The more superior the fittings and their tolerance will cause better responses, and fuses will come into this side of things.
    Hard wiring will be best followed by best of above. Clean, stable mains is next, although filters can cause more issues than they solve dynamics wise

    These 2 issues are linked closer than you may think
    Regards,
    Grant ....

    I've said it before and I'll say it again: democracy simply-doesn't-work
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  10. #110
    Join Date: Jan 2013

    Location: Birmingham

    Posts: 3,699
    I'm James.

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    Quote Originally Posted by Bigman80 View Post
    Seeing as we're discussing this topic, I decided to see whether the same improvement was possible with other equipment.

    I plugged the power cable into the DAC and whilst I do feel the soundstage benefits from it being in over the standard cable, I don't feel the improvements are as great as when I put it into the phonostage.

    There's an improvement to the bottom end which sounds cleaner and better defined but other than that it's really not a discernable difference.

    I really do think it's down to the sensitivity of the equipment in all honesty. I'll build a cable for the DAC because It has made a small difference.

    Also checked my plug socket and yes, I was using the LH side anyway. Good stuff.
    Now to send you really round the bend with this subject. Try a 4mm sq mains cable on your power amps and your preamp, then swap the preamp to a 2.5mm sq mains cable (shielded of course) and listen to the difference. My preamp sounded worse with a 4mm sq cable than a 2.5mm cable.

    What's going on there?

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