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Thread: Clean power supplies and phonostages

  1. #1
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 8,283
    I'm AnDreW.

    Default Clean power supplies and phonostages

    Guys, I'd like to try and get a general consensus of opinion. I'm in the process of altering my current setup. My valve setup runs through a PS Audio P10 regenerator to very good effect but I've run out of sockets into the P10. So, my question is, do you think a clean power supply into a Paradise phonostage will improve it's performance? If the answer is no then I'll simply use the good old wall sockets, else I'll look into a solution to get a clean power supply into the Paradise. Thanks in advance

    Andy.
    SS

    CD Teac VRDS25X(Audiotuned) DAC Caiman SEG+15V PSU+Dorado DECK 1210 Mat Crystal Audio Mods MN Base/Bearing/Platter+Ebony armboard Feet Isonoe/Ebony 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

    PRE
    Croft Epoch(Modified) AMP Sondex S100 (Modified) SPEAKERS Tannoy 15"MG+RFC Warwick cabs+ Reference XO DECKS Garrard301/401 (Bastin) Mat Teunto Bearings 301/401(Bastin) Plinth Moldovan/Bastin Arms 3009/3012(Ikeda Ag wired) SME V 12 PSU Eagle+Tachometer MC Ag Meister v2 / Royall N SPU's CABLES Arm Yannis 420.5 Litz+ Speaker 10mm Cu + WBT-0681 Ag IC Oyaide FTVS-510 AgWBT 0110Ag Phonostage Paradise(4 Box Modded) / EAR 834 Clone (modded)

    REAL SOUND


    PRE Radford SC25 (Mullard ECC83/82) POWER RADFORD STA25 Renaissance (Electroharmonix EL34) SPEAKERS Celestion Ditton 15 (Duelund Rewired/Jantzen Recapped) CABLES Speaker - Duelund AWG 12IC - Belden 8402+Switchcraft RCA



  2. #2
    Join Date: Sep 2013

    Location: North Island New Zealand

    Posts: 1,708
    I'm Chris.

    Default

    Hi Andy
    What are the power requirements ? ie Voltage AC or DC and amperage

    I would recommend the rectifier instead of diodes be a LT4320 with 4x N channel mosfet
    https://www.analog.com/media/en/tech...ets/4320fb.pdf

    i am presently designing a pcb for the LT4320

  3. #3
    Join Date: Jul 2013

    Location: Kingsbury, NW London

    Posts: 1,194
    I'm Clive.

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    I think a good power supply, preferably linear is crucial. Iíve just upgraded my SMPS to a linear SBooster supply on my Qutest Dac and even out of the box the difference was there to hear, it can only get better.
    On owning and trying out different phono-stages over the last couple of years with and without SMPS Iím convinced linear is best. Earlier this year I owned a Whest phono-stage and I couldnít get it to sound as good as I had hoped but a friend and I spent a day playing about with different ways of getting power to it, and were surprised to find that plugging straight into a wall socket with the standard cable gave the best result but no matter what it was not a keeper.
    SOURCE:Auralic Aries G1, OPPO UDP-205 BluRay, SkyQ, Technics SL1210M5G/Achromat/MN Bearing/Isonoes with Boots/Jelco TK-850S Tonearm/AT-OC9XSH or Hana ML, PS Audio NuWave Phono Converter
    DAC: Chord Qutest with SBooster and Ultra upgrade, Chord Mojo/Poly
    AMPLIFIER: Bryston BP17-3 Pre & Bryston 4B3 Power
    SPEAKERS: Spendor D7.
    HEADPHONES: OPPO PM-1 with Atlas Zeno cable, B&W C5 v2
    CABLES: Analogue: Speaker - Chord Signature. Interconnect - Atlas Mavros XLR x2, Atlas Mavros Ultra, Chord Signature Tuned Aray XLR, MCRU Silver Tonearm cable
    Digital: Curious USB, Audioquest Carbon x 2, Audioquest Carbon Ethernet x 3, Chord 8Switch, Chord Optichord, Atlas Optical.
    Mains: Chord Power Chord x2, Black Rhodium Libra/MK/Shurter or Wattgate x5, IsoTek Orion 6 way, Sounds Fantastic 6way Mains Blocks.
    STORAGE: Synology DS216J NAS with 2 x 3Tb WD Red hard-drives.
    TV LG55B7 OLED

  4. #4
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 44,276
    I'm Geoff.

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    People seem keen to remove SMPS units from their systems and replace them with linear power supplies. I'm not sure I understand why, DC is just DC. If the current is adequate and the voltage right, there's surely no benefit. A decent SMPS will add no more artifacts than an LPS.
    "when common sense, logic and plausibility are excluded. All that remain are foolishness and lies"

  5. #5
    Join Date: Jan 2009

    Location: Deleted

    Posts: 6,674
    I'm Deleted.

    Default

    I think you gents are misunderstanding Andy’s query - he doesn’t make any mention of a SMPS and for good reason, because there are none! Nor is Andy asking advice regarding application of rectifiers (that one just strikes me as bizarre).

    All he is saying is that he normally powers his Paradise phonostage via a PS Audio mains regenerator but now, because it has a limited number of outputs, he is having to, instead, plug his phonostage directly in to the wall. The Paradise phonostage already has an elaborate and sophisticated linear power supply of its own so he is wondering if not using the PS Audio regenerator will really make any difference. My opinion is it will not.
    Last edited by YNWaN; 30-11-2019 at 11:36.
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  6. #6
    Join Date: Jul 2013

    Location: Kingsbury, NW London

    Posts: 1,194
    I'm Clive.

    Default

    Quote Originally Posted by walpurgis View Post
    People seem keen to remove SMPS units from their systems and replace them with linear power supplies. I'm not sure I understand why, DC is just DC. If the current is adequate and the voltage right, there's surely no benefit. A decent SMPS will add no more artifacts than an LPS.
    Geoff, if you read my post to the end, I made it clear that plugging straight into a wall socket with a standard mains cable gave the best result (in those circumstances). Which was an answer to the OP’s post.
    However I beg to differ with you about even well designed SMPS’s being the same as a well designed LPS.
    SOURCE:Auralic Aries G1, OPPO UDP-205 BluRay, SkyQ, Technics SL1210M5G/Achromat/MN Bearing/Isonoes with Boots/Jelco TK-850S Tonearm/AT-OC9XSH or Hana ML, PS Audio NuWave Phono Converter
    DAC: Chord Qutest with SBooster and Ultra upgrade, Chord Mojo/Poly
    AMPLIFIER: Bryston BP17-3 Pre & Bryston 4B3 Power
    SPEAKERS: Spendor D7.
    HEADPHONES: OPPO PM-1 with Atlas Zeno cable, B&W C5 v2
    CABLES: Analogue: Speaker - Chord Signature. Interconnect - Atlas Mavros XLR x2, Atlas Mavros Ultra, Chord Signature Tuned Aray XLR, MCRU Silver Tonearm cable
    Digital: Curious USB, Audioquest Carbon x 2, Audioquest Carbon Ethernet x 3, Chord 8Switch, Chord Optichord, Atlas Optical.
    Mains: Chord Power Chord x2, Black Rhodium Libra/MK/Shurter or Wattgate x5, IsoTek Orion 6 way, Sounds Fantastic 6way Mains Blocks.
    STORAGE: Synology DS216J NAS with 2 x 3Tb WD Red hard-drives.
    TV LG55B7 OLED

  7. #7
    Join Date: Sep 2013

    Location: North Island New Zealand

    Posts: 1,708
    I'm Chris.

    Default

    Quote Originally Posted by YNWaN View Post
    I think you gents are misunderstanding Andyís query - he doesnít make any mention of a SMPS and for good reason, because there are none! Nor is Andy asking advice regarding application of rectifiers (that one just strikes me as bizarre).

    All he is saying is that he normally powers his Paradise phonostage via a PS Audio mains regenerator but now, because it has a limited number of outputs, he is having to, instead, plug his phonostage directly in to the wall. The Paradise phonostage already has an elaborate and sophisticated linear power supply of its own so he is wondering if not using the PS Audio regenerator will really make any difference. My opinion is it will not.
    Not everyone would know the specifications of a Paradise phonostage, or a PS audio regenerator and ideally a link should be provided explaining its specifications and features to acclimatise those wishing to assist.
    Does that sound like a good idea ?

  8. #8
    Join Date: Jan 2009

    Location: Deleted

    Posts: 6,674
    I'm Deleted.

    Default

    Honestly, I think a more careful reading of Andy’s original question would have been more useful (not just for you). It would then have been clear that this isn’t a question about power supply topology (although your recommendation is quite a controversial one even then).

    Personally, when people ask advice about components I don’t know I don’t vouch an opinion as.....it’s about gear I don’t know about...... (if I’m particularly interested I Google the components in question - just as I did for this thread to make sure that the PS Audio component does not use a SMPS and within a few seconds it was clear that it does not).
    Account Deleted

  9. #9
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 4,153
    I'm Lawrence.

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    If it was me I'd have a think about which component is probably least susceptible to mains noise and plug that one on the mains. Intuitively I would think that a phono stage would be rather susceptible since it amplifies very low voltages but I've no technical knowledge to back that up. If it had a very good power supply already inside then it might be pretty immune to noise.

    Trial and error in the weekday daytime might be the best way to tell ( l believe this is when the mains supply is noisiest but again I could be wrong). If you can't hear any difference then forget about it and enjoy

  10. #10
    Join Date: Jan 2008

    Location: Gerrards Cross

    Posts: 2,610
    I'm Tony.

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    Without question YES
    Coherent Systems
    Real high end sound with musicality not hifi

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