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Thread: Linear vs Switched mode PSU

  1. #111
    Join Date: Jan 2008

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    I'm AudioAl'sArbiterForPISHANTO.

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    Quote Originally Posted by Macca View Post
    More like the Marketing Department's wankathon.
    Agreed, yet it doesn't stop some folk even now obsessing over measured distortion in equipment design, almost to the exclusion of all else. That '70s mentality' is unfortunately still embedded today in the psyche of some designers and users alike, whilst they blissfully miss the bigger picture, which arguably in some ways is more important.

    Marco.
    http://www.thestainedglasscompany.com

    "A man is a success if he gets up in the morning and gets to bed at night, and in between he does what he wants to do" -- Milan Kundera.

  2. #112
    Join Date: Nov 2008

    Location: Rossendale

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    Quote Originally Posted by Marco View Post
    Agreed, yet it doesn't stop some folk now obsessing over measured distortion in equipment design, almost to the exclusion of all else. That '70s mentality' is unfortunately still embedded today in the psyche of some designers and users alike, whilst they blissfully miss the bigger picture, which arguably in some ways is more important.

    Marco.
    Some of the best stuff I've heard is designed by folk who are rather obsessive about measurements, yet their offerings sound superb.
    It depends on what you're measuring and why.
    These same folk actually listen to what they're designing and building, and manage not to lose sight of the bigger picture.
    Chris



    Once we've made sense of our world, we wanna go fuck up everybody else's because his or her truth doesn't match mine. But this is the problem. Truth is individual calculation. Which means because we all have different perspectives, there isn't one singular truth, is there?

  3. #113
    Join Date: Nov 2011

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    Sorry if I've missed it but did we establish a position on the Linear vs SMPS question?
    One of these days... I'm going to cut you into little pieces.

  4. #114
    Join Date: Nov 2008

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    Quote Originally Posted by RichB View Post
    Sorry if I've missed it but did we establish a position on the Linear vs SMPS question?
    Nope!
    Chris



    Once we've made sense of our world, we wanna go fuck up everybody else's because his or her truth doesn't match mine. But this is the problem. Truth is individual calculation. Which means because we all have different perspectives, there isn't one singular truth, is there?

  5. #115
    Join Date: Jul 2017

    Location: Crook, County Durham, UK

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    I'm Christopher.

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    Quote Originally Posted by Stratmangler View Post
    Nope!
    Not without listening to them...

  6. #116
    Join Date: Jan 2008

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    Quote Originally Posted by Stratmangler View Post
    Some of the best stuff I've heard is designed by folk who are rather obsessive about measurements, yet their offerings sound superb.
    It depends on what you're measuring and why.
    These same folk actually listen to what they're designing and building, and manage not to lose sight of the bigger picture.
    Lol, yes, as I know whom you're referring to, and completely agree! And that's largely because *ultimately* they trust their ears more than their test equipment

    However, I've also heard equipment (and complete systems) belonging to 'obsessive measurists' that I wouldn't give house room to, for all the reasons I've previously mentioned!

    Marco.
    http://www.thestainedglasscompany.com

    "A man is a success if he gets up in the morning and gets to bed at night, and in between he does what he wants to do" -- Milan Kundera.

  7. #117
    Join Date: Apr 2016

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    I'm Chris.

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    Well I've listened and I wouldn't let SMPS anywhere near my system.

  8. #118
    Join Date: Apr 2011

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    I'm matt.

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    Quote Originally Posted by bumpy View Post
    Well I've listened and I wouldn't let SMPS anywhere near my system.
    That's a bit harsh

  9. #119
    Join Date: Oct 2012

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    Quote Originally Posted by bumpy View Post
    Well I've listened and I wouldn't let SMPS anywhere near my system.
    An over active imagination is something that unfortunately afflicts the majority of audiophiles...
    I will be showing in my mythbusters thread that ultimately much equipment needing an external supply is pretty much impervious to any effects from the PSU when properly designed. There will of course be some ifs and buts....
    I'd happily run everything in my system from external SMPS provided that the output from them was properly dealt with.

    The worst PSU's in hi fi are the ones you never hear anyone complaining about... because they've not been "told" there is something wrong with them in order to imagine that they can then hear a problem! I'm talking about the ones powering virtually every power amp

  10. #120
    Join Date: Oct 2016

    Location: Bolton, England

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    I'm Andrew.

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    Quote Originally Posted by Macca View Post
    ... I think it was Hitachi who came up with a flagship power amp that supposedly measured 'perfectly'...
    I think you might be referring to a circuit that Hitachi published for their complementary power MOSFETs. Maplin used to sell a very popular power amp kit that used the Hitachi circuit and I made an amp with a pair of them many years ago. It was actually a very good amp but I've heard better since then.
    Quote Originally Posted by Stratmangler View Post
    It depends on what you're measuring and why.
    Yes, I agree. Power amp distortion is most often quoted at full - or nearly full - power output, but what about what's happening at the other end of the power spectrum? In my opinion that's more important.

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