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

  1. #21
    Join Date: May 2012

    Location: Toulouse, France

    Posts: 6,562
    I'm Kevin.

    Default

    Here is an internal shot of my SUT.
    https://flic.kr/p/21Qp22g
    Kevin

    Too busy enjoying the music....

    European loan coordinator for Graham Slee HiFi system components..

  2. #22
    Audio Al is offline Pishanto Specialist & Super-Daftee
    Join Date: May 2012

    Location: Dagenham Essex

    Posts: 11,215
    I'm Allen.

    Default

    Untitled by CageyH, on Flickr
    [

  3. #23
    Join Date: May 2012

    Location: Toulouse, France

    Posts: 6,562
    I'm Kevin.

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    Thanks.
    I was not able to do that on my phone.

    Does it look “normal” for a SUT with Haufe transformers?
    I can’t see any manufacturers marks without taking it apart further.

    It sounds seeet enough though with my DL-103C1
    Kevin

    Too busy enjoying the music....

    European loan coordinator for Graham Slee HiFi system components..

  4. #24
    Join Date: Apr 2011

    Location: derbyish

    Posts: 56
    I'm DAVID.

    Default Sut

    I have found that the choice of interconnect cables SUT to preamp makes a significant change to the sound quality. Currently using Rothwell The River to suit my need. Silvered OFC copper also suits . Electrical values seem to be difficult to equate to actual results . Worth trying all types . Lower impedances tend to dull the sound which may present as increased bass. Higher resistances make for a more dynamic bright sound ( my preference since my speakers can make bass from nothing much) . Not at all sure that these comments are generally valid but it's my experience ( Hana SL)
    My audible range 20hz to 10Khz Yours?

  5. #25
    RothwellAudio Guest

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    Yes, the cable between the transformer and the phonostage can make a difference, though I would expect it to be subtle rather than massive. The capacitance of the cable can have an effect on the high frequency/transient performance of the transformer, particularly if there's no optimised load network on the secondary winding. Also, shielded cable is a must if you want to avoid hum problems.

  6. #26
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

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

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    Hi Kevin,

    Pity you didn't PM me about this, as for most of the festive period I've been 'off grid' on hi-fi matters, concentrating instead on eating, drinking and entertaining guests!

    Had you done so, I could've have given you some useful advice... Anyway, have you got the cables for your SUT the wrong way round? It looks like the polarity of the incoming black and red cables are reversed on the output?

    To test for this, so that channels aren't mixed up, use a test disc or some music where you know what instruments should be on which channels, to see that all is ok.

    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!!!


  7. #27
    Join Date: May 2012

    Location: Toulouse, France

    Posts: 6,562
    I'm Kevin.

    Default

    I realised that I had made a mistake, and it has since be corrected.
    Having never heard a SUT, I fancied trying one and this “vintage” Haufe seems to be working well.

    I’ll be sending my KIN back to Mr Firebottle soon, so this may well become surplus to requirements.
    Kevin

    Too busy enjoying the music....

    European loan coordinator for Graham Slee HiFi system components..

  8. #28
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

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

    Default

    No worries... For a different 'flavour', you may want to try a good head amp at some point, and compare it against your SUT. In the meantime though, enjoy

    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!!!


  9. #29
    Join Date: Jan 2009

    Location: Essex

    Posts: 31,848
    I'm openingabottleofwine.

    Default

    Quote Originally Posted by CageyH View Post
    Thanks.
    I was not able to do that on my phone.

    Does it look “normal” for a SUT with Haufe transformers?
    I can’t see any manufacturers marks without taking it apart further.

    It sounds seeet enough though with my DL-103C1
    The transformers don't look like the Haufe transformers I have. The ones I have, and others that I have seen, have cylindrical metal housings.

    But if you bought your SUT from Haufe, then one must assume they are Haufe transformers.
    Barry

  10. #30
    Join Date: May 2012

    Location: Toulouse, France

    Posts: 6,562
    I'm Kevin.

    Default

    Kevin

    Too busy enjoying the music....

    European loan coordinator for Graham Slee HiFi system components..

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