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

  1. #11
    Join Date: Jan 2013

    Location: Birmingham

    Posts: 3,315
    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 / JMW 9T Tonearm / Shure M55e + Jico SAS /Croft 25R+ / Croft 7 / Spendor SP2

  2. #12
    Join Date: Oct 2016

    Location: Bolton, England

    Posts: 862
    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: 3,986
    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.
    Kevin

    Funkified Technics SL1200 Mk2 (Funk FX-1200+, Techne-Audio modified DL-103/AT33PTG/II/, Funk Firm "Strata" platter, "Spin" bearing and BO!NG Isolation feet, MCRU/LDA PSU).
    Pioneer PD-S703.
    Battery powered Beresford Caiman II.
    Firebottle KIN fitted with NOS Telefunken Valves.
    Firebottle Monoblocks fitted with NOS Telefunken Valves.
    Electric Beach FH3 with Taket BatPure super tweeters.
    Graham Slee Solo Ultra Linear Headphone amp.
    Sennheiser HD540 Reference II & HD650.
    DIY Klotz MC5000/MS Audio interconnects.
    Talk cable 3 speaker cable.
    Neotech hybrid mains cables from MCRU
    Power Inspired AG1500

  4. #14
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 31,174
    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: 862
    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: 3,986
    I'm GettingFunky.

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    Are vintage Haufe SUTs worth looking at?
    Kevin

    Funkified Technics SL1200 Mk2 (Funk FX-1200+, Techne-Audio modified DL-103/AT33PTG/II/, Funk Firm "Strata" platter, "Spin" bearing and BO!NG Isolation feet, MCRU/LDA PSU).
    Pioneer PD-S703.
    Battery powered Beresford Caiman II.
    Firebottle KIN fitted with NOS Telefunken Valves.
    Firebottle Monoblocks fitted with NOS Telefunken Valves.
    Electric Beach FH3 with Taket BatPure super tweeters.
    Graham Slee Solo Ultra Linear Headphone amp.
    Sennheiser HD540 Reference II & HD650.
    DIY Klotz MC5000/MS Audio interconnects.
    Talk cable 3 speaker cable.
    Neotech hybrid mains cables from MCRU
    Power Inspired AG1500

  7. #17
    Join Date: Jan 2009

    Location: Essex

    Posts: 16,574
    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: 3,986
    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.
    Kevin

    Funkified Technics SL1200 Mk2 (Funk FX-1200+, Techne-Audio modified DL-103/AT33PTG/II/, Funk Firm "Strata" platter, "Spin" bearing and BO!NG Isolation feet, MCRU/LDA PSU).
    Pioneer PD-S703.
    Battery powered Beresford Caiman II.
    Firebottle KIN fitted with NOS Telefunken Valves.
    Firebottle Monoblocks fitted with NOS Telefunken Valves.
    Electric Beach FH3 with Taket BatPure super tweeters.
    Graham Slee Solo Ultra Linear Headphone amp.
    Sennheiser HD540 Reference II & HD650.
    DIY Klotz MC5000/MS Audio interconnects.
    Talk cable 3 speaker cable.
    Neotech hybrid mains cables from MCRU
    Power Inspired AG1500

  9. #19
    Join Date: Apr 2011

    Location: derbyish

    Posts: 51
    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: 3,986
    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.
    Kevin

    Funkified Technics SL1200 Mk2 (Funk FX-1200+, Techne-Audio modified DL-103/AT33PTG/II/, Funk Firm "Strata" platter, "Spin" bearing and BO!NG Isolation feet, MCRU/LDA PSU).
    Pioneer PD-S703.
    Battery powered Beresford Caiman II.
    Firebottle KIN fitted with NOS Telefunken Valves.
    Firebottle Monoblocks fitted with NOS Telefunken Valves.
    Electric Beach FH3 with Taket BatPure super tweeters.
    Graham Slee Solo Ultra Linear Headphone amp.
    Sennheiser HD540 Reference II & HD650.
    DIY Klotz MC5000/MS Audio interconnects.
    Talk cable 3 speaker cable.
    Neotech hybrid mains cables from MCRU
    Power Inspired AG1500

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