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Thread: Wanted: Balanced Mains Unit

  1. #11
    Join Date: Apr 2016

    Location: Bishops Stortford

    Posts: 1,250
    I'm Chris.

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    Source
    SW1X Universal Music Server UMS I Signature with Power Supply Unit PSU I Signature
    SW1X USB II
    SW1X DAC III Special
    Audiolab 6000 CDT transport
    Amps
    Pre amps -- Hi fi Collective twin mono ladder stepped attenuator, with Charcroft Z-foil and silver wired. And First Watt B1 active no gain buffer.
    Power amps -- Welborne 45 SET monoblocks 1.8W / Decware Taboo 6W / Elekit 300B TU-8600SVK plus further improved components 9W / ICE Power 1000W
    Speakers
    Highly modified Endorphin P17 open baffle speakers containing both vintage and modern alnico drivers and paper cones. All silver wired - 8" Cube Audio FC8 full range drivers and vintage 15" Altec VOTT 416 bass drivers. All sat on Townsend Audio Podium seismic isolation platforms.
    BK Electronics XLS400FF Sub.
    Cabling
    Silver mains cables, interconnects and speaker cables by SW1X
    Headphones
    HRT HeadStreamer and SennHeiser HD650 headphones

  2. #12
    Join Date: Mar 2014

    Location: KY - Scotland

    Posts: 5,470
    I'm Mike.

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    Which I why I don't want to pay new prices, fully aware it might not make any difference, but then again it might

  3. #13
    Join Date: Mar 2014

    Location: KY - Scotland

    Posts: 5,470
    I'm Mike.

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    Further to my last comment, please remember this is a wanted thread, if you want to discuss the pros and cons of BMU's, best start a thread

  4. #14
    Join Date: Mar 2008

    Location: Galashiels

    Posts: 13,689
    I'm inthescottishmafia.

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    This is an old chestnut that has been gone over on this forum ad nauseum. I built my own BMU with two pole protection on both the primary and secondary, this makes it safe to use as any fault in the equipment will trip both legs of the supply.

    The OP can specify the same from Airlink.
    “Music has always been a matter of energy to me, a question of fuel. Sentimental people call it inspiration, but what they really mean is fuel. I have always needed fuel. I am a serious consumer. On some nights I still believe that a car with the gas needle on empty can run about fifty more miles if you have the right music very loud on the radio”

    Hunter S Thompson

  5. #15
    Join Date: Mar 2008

    Location: Galashiels

    Posts: 13,689
    I'm inthescottishmafia.

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    Sorry Mike, posted while you were posting.
    “Music has always been a matter of energy to me, a question of fuel. Sentimental people call it inspiration, but what they really mean is fuel. I have always needed fuel. I am a serious consumer. On some nights I still believe that a car with the gas needle on empty can run about fifty more miles if you have the right music very loud on the radio”

    Hunter S Thompson

  6. #16
    Join Date: Oct 2008

    Location: Glasgowshire

    Posts: 9,663
    I'm Gary.

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    Quote Originally Posted by Ali Tait View Post
    This is an old chestnut that has been gone over on this forum ad nauseum. I built my own BMU with two pole protection on both the primary and secondary, this makes it safe to use as any fault in the equipment will trip both legs of the supply.

    The OP can specify the same from Airlink.
    That's exactly what I did, based on Ali's advice.
    AC POWER
    Hardwired 10kVA balanced mains powering entire system
    AMPS
    Meridian 557 power Amp (Modded) / PS Audio BHK Preamp (Modded)
    SPEAKERS
    Wharfedale Evo 4.4
    DAC
    PS Audio Directstream (Modded)
    TURNTABLE
    Pro-Ject X8 balanced output via XLR / Ortofon Quintet Blue cartridge
    PHONOSTAGE
    Pro-Ject DS3 B balanced Input (TT and Phonostage powered by Pro-Ject Power box RS2 linear psu)
    DIGITAL
    OPPO 203 (Modded: Linear PSU, i2s output to Dac) - Roon Endpoint, HDMI input used for all things Streaming/ PS5 /AppleTV ... also good for movies apparently?
    MUSIC PLAYBACK
    Tweaked AP-Linux based Roon Server into Oppo 203 as Roon endpoint
    Ipad Roon Remote.
    Apple Music/ YouTube via AppleTV, fed to Dac via Oppo HDMI input/i2s output to Dac.
    SPEAKER CABLES
    Biwired: Duelund DCA10GA (Bass) Duelund DCA16GA (mid & treble) Duelund 12DCA used as jumpers (On
    "Blackcat Cable" Chris Sommivigo's advice - yup, even with biwire it sounds better - and it does)
    INTERCONNECTS
    All Balanced: Ghost+ recording studio XLR cables

  7. #17
    Join Date: May 2010

    Location: Devon

    Posts: 548
    I'm Dan.

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    Hi Mike

    Probably more than u wanna spend but I’ve been making a bunch of balanced supplies lately after building a monster AC/DC 50kg beast for myself, I had been asked by others to do something for them. These are half that weight thankfully and less than half the size but have been going down incredibly well with people. U can’t beat a balanced supply for what it offers but most use inferior transformers and look crap to boot.
    This particular one was requested with one unbalanced socket as well as five balanced ones

    If anybody can make these pictures work properly, full size and not just links I’d appreciate it!


    [IMG][/IMG]
    [IMG][/IMG]
    [IMG][/IMG]
    Last edited by loosend; 24-09-2018 at 12:00.

  8. #18
    Join Date: Mar 2014

    Location: KY - Scotland

    Posts: 5,470
    I'm Mike.

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    Hi,

    looks good, pm me a price, as you say probably too dear for me but worth knowing anyway.

    mike.
    Last edited by mikeyb; 26-09-2018 at 06:56.

  9. #19
    Join Date: Mar 2014

    Location: KY - Scotland

    Posts: 5,470
    I'm Mike.

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    Jump

  10. #20
    Join Date: Mar 2014

    Location: KY - Scotland

    Posts: 5,470
    I'm Mike.

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    They must be really good

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