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Thread: Paul Hynes SR7EHD PSU - unlocking the latent potential of my Technics SL-1210

  1. #41
    MartinT Guest

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    On the subject of the internal regs, Paul, I shall be starting them very soon now, once I have this very busy week behind me.

  2. #42
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 9,779
    I'm Andrew.

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    Quote Originally Posted by Paul Hynes View Post
    Paul,

    That’s what I do to the office computer when things go wrong, only I use a big stick.

    I will be making your power supply once the custom Teflon printed circuit board (PCB) arrives. There are a number of different specification levels for the materials used to make Teflon boards. This is special order stuff from abroad and at this specification level the board material itself is only manufactured to order. The board material should be arriving at my PCB manufacturer any day now and will be processed within a week of arrival. I did warn you it would be after the Christmas/New Year holidays before I would be finishing your power supply. I know it is hard waiting for toys, as I am about to order one that will take around 8 weeks to arrive. This is just the way custom built to order is.


    Regards
    Paul
    No worries mate, I just cant wait to get the beast in the system!

    Quote Originally Posted by MartinT View Post
    On the subject of the internal regs, Paul, I shall be starting them very soon now, once I have this very busy week behind me.
    Hurry up and get these installed, I cant wait to see what differences they make.
    SS
    CD Teac VRDS25X(Audiotuned) DECK 1210 Mat Crystal Audio Mods MN Base/Bearing/Platter+Ebony armboard Feet Isonoe PSU Paul Hynes SR7EHD-27XL/DCSXL Ag DC lead/3 Stage Regs/Recap PCB+No Pitch/Strobe/Light ARM SME V(Kondo Ag Rewire&Tags) MC Cadenza Black FGS CABLES Arm Yannis SPD-4 IC Yannis 222 Litz+Ag bullets Power WAR PRE ATC SCA2 SPEAKERS ATC 50ASL STANDS Atacama PHONO Sugden Masterclass PA4 SUT Ortofon ST80SE POWER PSAudio P10

    VALVE / MONO
    PRE
    Croft Epoch(Modded) AMP Sondex S100 (Modded) SPEAKERS Tannoy 15"MG+RFC Warwick cabs+ Ref XO + Batpure supertweeters DECK Garrard 301 Mat Teunto Bearings 401(Bastin) Plinth Bamboo Arms 3009/3012 PSU Eagle+Tachometer MC Ag Meister II/FGS + Ortofon SPU MONO CABLES Arm Yannis 420.5 Litz+ SpeakerPC Tripple C+WBT-0681 Ag IC Oyaide FTVS-510 AgWBT 0110Ag Phonostages Paradise(4 Box Mega-Modded) / Croft Musicmaker





  3. #43
    Join Date: Nov 2011

    Location: Suffolk,UK

    Posts: 419
    I'm arecurringnightmare.

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    Quote Originally Posted by Paul Hynes View Post

    Charles,

    I have e-mailed you with details of the internal regulator upgrades.

    Regards
    Paul
    Thank you

    Quote Originally Posted by REXTON View Post

    Hurry up and get these installed, I cant wait to see what differences they make.
    Second that.

  4. #44
    Join Date: Jun 2011

    Location: Skien, Norway

    Posts: 931
    I'm Jostein.

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    Has anyone tested the difference between the XL and XLR connector options in the SR7EHD? Since the XL is more expensive is this upgrade worth it?
    Last edited by jostber; 03-01-2012 at 18:03.
    My hifi system:

    Turntable: Technics SL-1200 MKII, Ortofon 2M Bronze cartridge, Mike New bearing, MCRU PSU (c), Oyaide HS-CF headshell, Oyaide MJ-12 TT mat, Vantage Audio Copper mat, Isonoe Isolation Feet, Isodek IF-2 isolation platform, Furutech Monza LP stabilizer, Herbie's Hal-O JR damper Phono Stage: Hagerman Cornet 3 (prototype) Amplifiers: EAR 868L Preamp, Transcription Audio 211 Heaven Power amp, Bob Carver Cherry 180 power amp CD Player: Ear Yoshino Acute Tuner: Magnum Dynalab 90T Speakers: Vandersteen 2CE SigII, Townshend Audio Super Tweeters, Transcription Audio Speakers Cables and stuff: LFD Audio interconnects and speaker cables, Mark Grant G2000HD, BlackCat Electronics, Van Den Hul Clearwater, Black Rhodium mains cables, Black Rhodium mains block, Finite Elements Resonator, Townhsend Stella Speaker stands, Pro Audio Bono hifi rack, Herbie's spike gliders, Herbie's Ultravox and Hal-O tube dampers, Super Black Hole CD mat Record Cleaning Machine: Loricraft PRC4

  5. #45
    MartinT Guest

    Default

    Quote Originally Posted by REXTON View Post
    Hurry up and get these installed, I cant wait to see what differences they make.
    I've made a start! From here: http://theartofsound.net/forum/showt...138#post279138

    The two-stage split 21V setup is sounding absolutely superb.

  6. #46
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 9,779
    I'm Andrew.

    Default

    Martin,

    Just how many bloody stages are there to this regulation lark??

    Any comments on how they have improved your deck?

    I'm now very very envious
    SS
    CD Teac VRDS25X(Audiotuned) DECK 1210 Mat Crystal Audio Mods MN Base/Bearing/Platter+Ebony armboard Feet Isonoe PSU Paul Hynes SR7EHD-27XL/DCSXL Ag DC lead/3 Stage Regs/Recap PCB+No Pitch/Strobe/Light ARM SME V(Kondo Ag Rewire&Tags) MC Cadenza Black FGS CABLES Arm Yannis SPD-4 IC Yannis 222 Litz+Ag bullets Power WAR PRE ATC SCA2 SPEAKERS ATC 50ASL STANDS Atacama PHONO Sugden Masterclass PA4 SUT Ortofon ST80SE POWER PSAudio P10

    VALVE / MONO
    PRE
    Croft Epoch(Modded) AMP Sondex S100 (Modded) SPEAKERS Tannoy 15"MG+RFC Warwick cabs+ Ref XO + Batpure supertweeters DECK Garrard 301 Mat Teunto Bearings 401(Bastin) Plinth Bamboo Arms 3009/3012 PSU Eagle+Tachometer MC Ag Meister II/FGS + Ortofon SPU MONO CABLES Arm Yannis 420.5 Litz+ SpeakerPC Tripple C+WBT-0681 Ag IC Oyaide FTVS-510 AgWBT 0110Ag Phonostages Paradise(4 Box Mega-Modded) / Croft Musicmaker





  7. #47
    MartinT Guest

    Default

    Andrew

    Briefly:
    1) Single-stage external 21V supply
    2) Dual-stage external 27V and internal 21V supplies
    3) Dual-stage external 27V and dual internal 21V supplies splitting motor control and motor drive (this is currently where I'm at)
    4) Triple-stage external 27V, dual internal 21V and extended 9.4V & 5V supplies

    I've commented in the other thread on how it sounds (http://theartofsound.net/forum/showp...5&postcount=89)
    This definitely offers a heightened sense of pitch stability, inner detail and resolution, fantastic dynamics and lowered noise floor. I really don't know what moving from 3) to 4) will bring, but I'll be tackling it very soon.

  8. #48
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,498
    I'm AudioAl'sArbiterForPISHANTO.

    Default

    Hi Martin,

    This definitely offers a heightened sense of pitch stability, inner detail and resolution, fantastic dynamics and lowered noise floor
    Interesting... That's *precisely* what the SR7EHD brings to the party! It'll be intriguing to see what further improvements are wrought by further mods

    Marco.
    Main System

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

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp and 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. 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.

  9. #49
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 9,779
    I'm Andrew.

    Default

    Quote Originally Posted by MartinT View Post
    Andrew

    Briefly:
    1) Single-stage external 21V supply
    2) Dual-stage external 27V and internal 21V supplies
    3) Dual-stage external 27V and dual internal 21V supplies splitting motor control and motor drive (this is currently where I'm at)
    4) Triple-stage external 27V, dual internal 21V and extended 9.4V & 5V supplies

    I've commented in the other thread on how it sounds (http://theartofsound.net/forum/showp...5&postcount=89)
    This definitely offers a heightened sense of pitch stability, inner detail and resolution, fantastic dynamics and lowered noise floor. I really don't know what moving from 3) to 4) will bring, but I'll be tackling it very soon.
    Man this really is killer! Cant wait to get my hands on these.

    Quote Originally Posted by Marco View Post
    Hi Martin,



    Interesting... That's *precisely* what the SR7EHD brings to the party! It'll be intriguing to see what further improvements are wrought by further mods

    Marco.
    If that's what the SR7EHD fetches to the party I'd hate to think what the XL version offers I'll be posting some findings when I recieve it.
    SS
    CD Teac VRDS25X(Audiotuned) DECK 1210 Mat Crystal Audio Mods MN Base/Bearing/Platter+Ebony armboard Feet Isonoe PSU Paul Hynes SR7EHD-27XL/DCSXL Ag DC lead/3 Stage Regs/Recap PCB+No Pitch/Strobe/Light ARM SME V(Kondo Ag Rewire&Tags) MC Cadenza Black FGS CABLES Arm Yannis SPD-4 IC Yannis 222 Litz+Ag bullets Power WAR PRE ATC SCA2 SPEAKERS ATC 50ASL STANDS Atacama PHONO Sugden Masterclass PA4 SUT Ortofon ST80SE POWER PSAudio P10

    VALVE / MONO
    PRE
    Croft Epoch(Modded) AMP Sondex S100 (Modded) SPEAKERS Tannoy 15"MG+RFC Warwick cabs+ Ref XO + Batpure supertweeters DECK Garrard 301 Mat Teunto Bearings 401(Bastin) Plinth Bamboo Arms 3009/3012 PSU Eagle+Tachometer MC Ag Meister II/FGS + Ortofon SPU MONO CABLES Arm Yannis 420.5 Litz+ SpeakerPC Tripple C+WBT-0681 Ag IC Oyaide FTVS-510 AgWBT 0110Ag Phonostages Paradise(4 Box Mega-Modded) / Croft Musicmaker





  10. #50
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,498
    I'm AudioAl'sArbiterForPISHANTO.

    Default

    Lol - I doubt we'll ever know what the difference is unless we swap PSUs at some point.

    Could be a plan?

    Marco.
    Main System

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

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp and 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. 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.

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