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Thread: Single ended to balanced conversion....

  1. #31
    Join Date: Nov 2008

    Location: North Down /Northern Ireland/ UK

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    I'm Neil.

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    Quote Originally Posted by montesquieu View Post
    I've used RCA-XLR adaptors with no issue in the past and I had some XLR/RCA cables at one point as well ... either way you should be fine. Personally, I'd have some cables made up (I'm sure Paul at RFC could help you there).

    As well as single ended all round I have balanced outputs available on my AN DAC (4.1x fancy balanced transformer output), balanced inputs and outputs on my EAR 912, and balanced inputs on my Radford STA100. So I could in theory use balanced all round and have tried things that way. However I hear precisely no improvement from balanced wiring. I can see the point in a studio over metres and metres of distance, but not over 1m cables in a domestic setting.

    Deep breath and relax.
    Lower noise floor, which benefits everything if the two items being connected are genuine balanced designs. You can't hear it, I and others can. As they say other folks mileage will vary.
    Regards Neil

  2. #32
    Join Date: Dec 2015

    Location: Alicante. Spain.

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    I'm Adrian.

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    Quote Originally Posted by montesquieu View Post
    I've used RCA-XLR adaptors with no issue in the past and I had some XLR/RCA cables at one point as well ... either way you should be fine. Personally, I'd have some cables made up (I'm sure Paul at RFC could help you there).

    As well as single ended all round I have balanced outputs available on my AN DAC (4.1x fancy balanced transformer output), balanced inputs and outputs on my EAR 912, and balanced inputs on my Radford STA100. So I could in theory use balanced all round and have tried things that way. However I hear precisely no improvement from balanced wiring. I can see the point in a studio over metres and metres of distance, but not over 1m cables in a domestic setting.

    Deep breath and relax.
    That's almost exactly what the maker of the Truth said Tom.
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  3. #33
    montesquieu Guest

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    Quote Originally Posted by Barry View Post

    The only other thing to bear in mind when feeding a balanced amplifier from an unbalanced source (preamp), is the sensitivity of the amplifier will be halved.
    Having said all the rest, Adey's Truth is (as I understand it) some kind of LDR attenuated buffer device with no gain. Since the Vida isn't a gain monster either this **might** be an issue. Hard to tell in advance.

  4. #34
    Join Date: Dec 2015

    Location: Alicante. Spain.

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    I'm Adrian.

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    Quote Originally Posted by montesquieu View Post
    Having said all the rest, Adey's Truth is (as I understand it) some kind of LDR attenuated buffer device with no gain. Since the Vida isn't a gain monster either this **might** be an issue. Hard to tell in advance.
    Yes I've thought about that but Ed, the maker of the Truth says it won't be a problem. I'm truly hoping not as I cannot imagine in a million years changing the Truth, it would be a retrograde step no matter what preamp.
    Technics SP10 mk2
    Jan Allaerts MC 1 Boron mk1 cart
    Miyajima Shilabe cart
    Hashimoto HM-X SUT
    Siggwan (gimballed not unipivot) Cocobola 12"
    Aurorasound Vida LCR Phonostage
    The Truth linestage
    Dave Slagle Autoformer Volume Controller
    Cary 805c SET amps
    Audio Note ANe-SPX speakers
    Townshend Isolda speaker cables
    Cardas Golden Presence interconnects

  5. #35
    Join Date: Dec 2015

    Location: Alicante. Spain.

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    I'm Adrian.

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    What would the effect of halving the amps input sensitivity be in real terms? I'm assuming it would be more difficult to drive to high levels?
    Technics SP10 mk2
    Jan Allaerts MC 1 Boron mk1 cart
    Miyajima Shilabe cart
    Hashimoto HM-X SUT
    Siggwan (gimballed not unipivot) Cocobola 12"
    Aurorasound Vida LCR Phonostage
    The Truth linestage
    Dave Slagle Autoformer Volume Controller
    Cary 805c SET amps
    Audio Note ANe-SPX speakers
    Townshend Isolda speaker cables
    Cardas Golden Presence interconnects

  6. #36
    Join Date: Mar 2017

    Location: Seaford UK

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    I'm Dennis.

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    Yes, as dealt with previously, the main benefits of the balanced approach are for broadcasters and studio setup engineers when assembling different combinations of equipment, which they do frequently, they not having to worry about hum problems with long leads.

    In our case we setup and leave, mostly.

    I think the cable method is neater, and not hard to do, and with fewer interfaces.

  7. #37
    RothwellAudio Guest

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    Quote Originally Posted by Dalek Supreme D L View Post
    Lower noise floor, which benefits everything if the two items being connected are genuine balanced designs. You can't hear it, I and others can. As they say other folks mileage will vary.
    Balanced connections don't have inherently lower noise - in fact they can be noisier.

  8. #38
    Join Date: Dec 2011

    Location: sussex

    Posts: 368
    I'm phil.

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    im using psuedo balanced cables as my pre amp is balanced and my monos are single ended, with good results and no hum,
    Modded td160 super Thorens ol encounter arm hana sl cart, angle audio studio pro mc virtual battery phono amp with separate psi, Onix pre and mono amps, Onix CD player, Onix BWD and soap tuner. B&W dm2 speakers or super pencil 12 speakers, atlas cables, seperate mains power supply with earth spike.

  9. #39
    RothwellAudio Guest

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    Quote Originally Posted by moodybuilder View Post
    im using psuedo balanced cables as my pre amp is balanced and my monos are single ended, with good results and no hum,
    With a single-ended source and a balanced destination you can run a psuedo-balanced line, but not the other way round. The power amps are single-ended, what can possibly be balanced about line?
    Of course, you can connect the two together and get no hum, but there's nothing balanced - or psuedo-balanced - about it.

  10. #40
    Join Date: Dec 2011

    Location: sussex

    Posts: 368
    I'm phil.

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    sorry trying to do to many things at once, i ment single ended pre and balanced mono amps
    Modded td160 super Thorens ol encounter arm hana sl cart, angle audio studio pro mc virtual battery phono amp with separate psi, Onix pre and mono amps, Onix CD player, Onix BWD and soap tuner. B&W dm2 speakers or super pencil 12 speakers, atlas cables, seperate mains power supply with earth spike.

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