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Thread: Step Up Transformer recommendations for a Denon DL-103

  1. #11
    Join Date: Jan 2013

    Location: Birmingham

    Posts: 3,971
    I'm James.

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    Quote Originally Posted by CageyH View Post
    So, Fidelity Research FRT3, Denon AU320, a K&K SUT or Rothwell MCL?
    You might want to ask Marco which one he would recommend as he uses a 103 and has used at least a few of those SUT,s although now I think he uses a headamp.
    VPI Scout 1.1 - Ortofon 2M Black - Croft 25R+ - Croft Series 7 - Spendor SP2

  2. #12
    Join Date: Oct 2016

    Location: Bolton, England

    Posts: 1,431
    I'm Andrew.

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    I wrote this page all about choosing transformers for Denon cartridges:

    http://www.rothwellaudioproducts.co....for_denon.html

    Did a Google search not come up with the page? I'll have to have words with them about that
    Pretty much any turns ratio between 1:10 and 1:20 will be ok and the same range will work for the Audio Technica too. The 1:10 end of the spectrum will give you less voltage into the phonostage though not enough to be problem, but generally a lower turns ratio gives a better frequency response (all other things being equal, which they never are).

  3. #13
    Join Date: May 2012

    Location: Toulouse

    Posts: 4,498
    I'm GettingFunky.

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    Andrew,

    I have read your page, which was very informative.
    I am tempted by the MCL, but still have doubts about SUT Vs Headamp.
    Happily dabbling with digital audio and tinkering with turntables.

  4. #14
    Join Date: Apr 2012

    Location: Southall, West London

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    I'm Geoff.

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    The thing about decent SUT's, is that they hold their value, so should you buy one to try at a sensible price and decide against it, you can re-sell it at no loss, apart from postage.

  5. #15
    Join Date: Oct 2016

    Location: Bolton, England

    Posts: 1,431
    I'm Andrew.

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    Quote Originally Posted by CageyH View Post
    ...but still have doubts about SUT Vs Headamp.
    We have a distributor in France who may be able to arrange a SUT/Headamp demonstration for you
    http://nc-audio.com/

    Or you could ask for opinions here regarding SUTs and headamps but I suspect you will get a 50:50 split with half saying that nothing can beat a SUT and the other half saying that SUTs are rubbish. OK, maybe not that polarised, but enough conflict to leave you feeling none the wiser.
    Last edited by RothwellAudio; 27-12-2017 at 12:14.

  6. #16
    Join Date: May 2012

    Location: Toulouse

    Posts: 4,498
    I'm GettingFunky.

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    Are vintage Haufe SUTs worth looking at?
    Happily dabbling with digital audio and tinkering with turntables.

  7. #17
    Join Date: Jan 2009

    Location: Essex

    Posts: 18,675
    I'm openingabottleofwine.

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    Quote Originally Posted by CageyH View Post
    Are vintage Haufe SUTs worth looking at?
    Yes, as I mentioned in my post above, the Haufe T-7883s are ideal for the Denon 103. They are used in the well-regarded Auditorium A23 SUT, which for many was the SUT to use with the 103 and 103Pro.

    The Altec 'Peerless' range of SUTs are also well regarded: Cinemag being their modern equivalent (Altec sold their transformer division to Cinemag).

    And there are a couple of Lundahl transformers that are also popular with Denon 103 users.
    Have you listened to this month's choice in the Album Club?

    Barry

  8. #18
    Join Date: May 2012

    Location: Toulouse

    Posts: 4,498
    I'm GettingFunky.

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    Thanks Barry.
    I have just bought the Haufe SUT. It is a 1:20 version though, but was not that expensive.
    That leaves me enough cash for a Rothwell Headspace as well.
    Happily dabbling with digital audio and tinkering with turntables.

  9. #19
    Join Date: Apr 2011

    Location: derbyish

    Posts: 58
    I'm DAVID.

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    With Denon 103R I used Rothwell MC L . Suited my rig to make quick transients staging and tight bass from valve Ear phono.
    My audible range 20hz to 10Khz Yours?

  10. #20
    Join Date: May 2012

    Location: Toulouse

    Posts: 4,498
    I'm GettingFunky.

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    The SUT has arrived.
    I have plugged it in, and I am listening to the first few tracks. There is no noticeable hum, and it sounds quite good so far.
    Happily dabbling with digital audio and tinkering with turntables.

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