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

  1. #31
    Join Date: Jan 2009

    Location: Essex

    Posts: 31,853
    I'm openingabottleofwine.

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    Quote Originally Posted by CageyH View Post
    Those are output transformers used in the line output circuitry of EMT CD players.

    What you need are transformers designed for microphones (moving coil or ribbon) or specifically moving-coil cartridges. However as whatever it is you have works well for you, I wouldn't worry about it.
    Barry

  2. #32
    Join Date: May 2012

    Location: Toulouse, France

    Posts: 6,562
    I'm Kevin.

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    Apparently they date from the early 70's, They sound fine to me, but they are just not what I was expecting to see.
    Kevin

    Too busy enjoying the music....

    European loan coordinator for Graham Slee HiFi system components..

  3. #33
    Join Date: Aug 2009

    Location: Auckland, New Zealand.

    Posts: 58
    I'm Justin.

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    Quote Originally Posted by Barry View Post
    I use a pair of Haufe T-7883 step up transformers. They are designed for a source impedance of 40Ohm and have a step-up ratio of 10:1, so are perfect to use with the Denon 103.
    Hi - do you have a photo of these?

    And from where did you get them?

    (Thanks).

  4. #34
    Join Date: Sep 2008

    Location: San Diego, CA

    Posts: 251
    I'm Dave.

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    Quote Originally Posted by jusbe View Post
    Hi - do you have a photo of these?

    And from where did you get them?

    (Thanks).
    You can purchase these directly from Haufe, but you need to bank wire them the money.
    Current equipment: Cornscalas - Quicksilver Horn Monos - Technics 1210 M5G with Zu Denon 103R cartride and Haufe SUT.

  5. #35
    Join Date: Aug 2009

    Location: West Yorkshire

    Posts: 1,796
    I'm Stephen.

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    Quote Originally Posted by CageyH View Post
    Having not found the answer by using a search, I am wondering what a good choice of SUT would be for my Techne Audio modified DL-103 with a boron cantilever and Shibata stylus?

    It would also need to work with an AT33PTG/II.
    I don't want to spend loads on the SUT, but I want something that offers good value for money, and obviously performs very well.
    Resurrecting an old thread here but a definite vote for the Rothwell Headspace.

    Mine arrived this morning and it’s already proved to be a great piece of kit. Fantastic service from Andrew and next day delivery.

    I’ve owned numerous DL-103/103R’s in various incarnations and while they’ve been “OK” I’ve always felt I was not allowing them to show their real potential with the various SUT’s I’ve tried.

    My current DL-103R is a Paradox Pulse 103R direct from Paradox after they ran it in for 50 hours. With my Denon AU-S1 or Art Audio SUT’s. It sounded a tad flat and “uninteresting”.

    Enter the Headspace!
    Setup with a loading of 140R the Paradox Pulse just sings like never before. It’s very sensitive to loading as either 100R or 250R either sound a tad thin or flat respectively. It’s incredibly musical and enjoyable - all the aspects I was expecting. It’s also very quiet through my Croft 25RS/7 monos.
    It doesn’t have the refinement or absolute resolution of my Denon DL-S1/AU-S1 combo but at less than a quarter of the price it’s a stunning combination.
    Moreover, with multiple loading/gains available it will also partner my Goldbug Brier. At some point I'll have to see how it fares with the DL-S1






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  6. #36
    Join Date: Apr 2009

    Location: Near Saffron Walden, Essex

    Posts: 7,087
    I'm Dave.

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    That Rothwell Head Space is an excellent and reasonably priced step-up.

  7. #37
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,012
    I'm AudioAl'sArbiterForPISHANTO.

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    Great stuff, Stephen. In my experience, Andrew's products are always very well-designed and offer high SPPV, so enjoy!

    Also, as you'll now be aware, it's handy having access to both a quality head amp *and* SUT, as musically, they do things differently, but equally enjoyably. What you need to try now (unless I've missed it) is using either in conjunction with a top-notch valve MM stage...

    That's when you'll *really* hear what's on your records!

    Marco.
    Main System

    Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & reg mods]. Funk Firm APM Achromat/Nagaoka GL-601 Crystal Record Weight/Isonoe feet & boots/Ortofon RS-212D/Denon DL-103GL in Denon PCL-300 headshell with Funk Firm Houdini/Kondo SL-115 pure-silver cartridge leads.

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp/Denon AU-310 SUT.

    Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.

    CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.

    Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new, by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.

    Preamps: Heavily-modified Croft Charisma-X. LDR Stereo Coffee. Power Amps: Tube Distinctions Copper Amp fitted with Tungsol KT-150s. Quad 306.

    Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.

    Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.

    Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.


    Protect your HUMAN RIGHTS and REFUSE ANY *MANDATORY* VACCINE FOR COVID-19!

    Also **SAY NO** to unjust 'vaccine passports' or certificates, which are totally incompatible with a FREE society!!!


  8. #38
    Join Date: Aug 2009

    Location: West Yorkshire

    Posts: 1,796
    I'm Stephen.

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    Quote Originally Posted by Marco View Post
    What you need to try now (unless I've missed it) is using either in conjunction with a top-notch valve MM stage...

    That's when you'll *really* hear what's on your records!

    Marco.
    Hi Marco
    I think the phono stage in the Croft 25RS is pretty well respected (I’m using a pair of triple mica NOS Telefunken ECC801S to boot).
    I have toyed with the idea of a TRON convergence but after the new Jelco arm and Headspace I’d best take a breath
    Steve



    Sent from my iPhone using Tapatalk
    Always a little further

  9. #39
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,012
    I'm AudioAl'sArbiterForPISHANTO.

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    Quote Originally Posted by worrasf View Post
    Hi Marco
    I think the phono stage in the Croft 25RS is pretty well respected (I’m using a pair of triple mica NOS Telefunken ECC801S to boot).
    I have toyed with the idea of a TRON convergence but after the new Jelco arm and Headspace I’d best take a breath
    Steve
    Ah, okies... I wasn't sure what your preamp was, valve or SS. That should be very nice then

    Marco.
    Main System

    Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & reg mods]. Funk Firm APM Achromat/Nagaoka GL-601 Crystal Record Weight/Isonoe feet & boots/Ortofon RS-212D/Denon DL-103GL in Denon PCL-300 headshell with Funk Firm Houdini/Kondo SL-115 pure-silver cartridge leads.

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp/Denon AU-310 SUT.

    Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.

    CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.

    Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new, by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.

    Preamps: Heavily-modified Croft Charisma-X. LDR Stereo Coffee. Power Amps: Tube Distinctions Copper Amp fitted with Tungsol KT-150s. Quad 306.

    Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.

    Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.

    Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.


    Protect your HUMAN RIGHTS and REFUSE ANY *MANDATORY* VACCINE FOR COVID-19!

    Also **SAY NO** to unjust 'vaccine passports' or certificates, which are totally incompatible with a FREE society!!!


  10. #40
    Join Date: Aug 2009

    Location: West Yorkshire

    Posts: 1,796
    I'm Stephen.

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    Quote Originally Posted by RothwellAudio View Post
    BTW, I should have mentioned that in that picture it looks like there's hardly anything inside the Headspace. In fact, many of the components are on the other side of the circuit board.
    Absolutely.
    I posted this photo to show how easy it is to gain access to the dip switches and so change gain and loading.
    Always a little further

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