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Thread: Blind phono stage & amp; Capacitor testing

  1. #11
    Join Date: Nov 2015

    Location: Wolverhampton

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    I'm Oliver.

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    Quote Originally Posted by walpurgis View Post
    I'd still like to know why different capacitors have different 'sounds'.

    (good to hear from you Oliver, not sure about that avatar though )
    Hi Geoff, its nice to be back!

    I have no idea why they sound different but they do! It was very noticeable too. The wife said "whats happened to the sound" when I was testing. I flipped the switch to my favourites and she said "ah, that's much better" so without even telling he anything, she could here it too.

    Sent from my EVA-L09 using Tapatalk
    Alphason HR100 MCS > Toshiba SR 370 Turntable > ZYX R50 Bloom cartridge > Firebottle OTP MK2 Phono Stage > Firebottle Monoblocks > Creek OBH-11SE Headphone Amp > IXOS Speaker Cables > Pioneer CS-77A Speakers

  2. #12
    Join Date: May 2017

    Location: Higher Denham, Uxbridge, UK

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    I'm Graham.

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    Shouldn't this thread be in the DIY section?
    Graham Tricker
    G T Audio/AudioMeister/TRON
    01895 833099

    Personal System
    Analogue: TW Acustic Black Night Turntable, SME M2-12R Tonearm, Ortofon 90th Anniversary SPU / TW Acustic Raven LTD Turntable, TW Acustic 10.5 Tonearm, Transfiguration Proteus / Studer 807 & Studer 810 Tape Machines.
    Digital: Innuos Zenith MKII / Tron Seven GT DAC.
    Amplification: Tron Seven GT Mono Phono stage x 2 / Tron Nemesis Preamplifier / Tron Telstar Power Amplifier.
    Loudspeakers: Cessaro Liszt Horns.

  3. #13
    Join Date: Sep 2014

    Location: brighton uk.

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    I'm jamie.

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    i believe so,
    My System/ Yamaha NS1000M speakers,Pioneer PLC-1700, direct drive turntable, Townsend Elite rock 2 turntable,,Alphason HR-100S-MCS tonearm,Ortofon 2M BLACK cartridge ,Sony 700ES Amp,Sony X555ES CD Player, Nakamichi ca5 pre amp ,

  4. #14
    Join Date: Nov 2015

    Location: Wolverhampton

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    I'm Oliver.

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    Does R&D belong in DIY? I must've read the stickies 6 times and still get it wrong. Im sure one of our kind Mods will correct it if necessary.

    Sent from my EVA-L09 using Tapatalk
    Alphason HR100 MCS > Toshiba SR 370 Turntable > ZYX R50 Bloom cartridge > Firebottle OTP MK2 Phono Stage > Firebottle Monoblocks > Creek OBH-11SE Headphone Amp > IXOS Speaker Cables > Pioneer CS-77A Speakers

  5. #15
    Join Date: Jul 2010

    Location: Cheltenham

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    I'm Charlie.

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    R&D for a manufacturer should probably go in the trader's section in trade impressions. That's where Jez from Arkless, Paul from RFC and others put their new developments.

    If it's an individual DIY project, then the DIY section is appropriate. I might be wrong, but then I'm not a mod.

  6. #16
    Join Date: Nov 2015

    Location: Wolverhampton

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    I'm Oliver.

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    Quote Originally Posted by topoxforddoc View Post
    R&D for a manufacturer should probably go in the trader's section in trade impressions. That's where Jez from Arkless, Paul from RFC and others put their new developments.

    If it's an individual DIY project, then the DIY section is appropriate. I might be wrong, but then I'm not a mod.
    Good point Doc, maybe a mod can move it to the right area for me.

    Sent from my EVA-L09 using Tapatalk
    Alphason HR100 MCS > Toshiba SR 370 Turntable > ZYX R50 Bloom cartridge > Firebottle OTP MK2 Phono Stage > Firebottle Monoblocks > Creek OBH-11SE Headphone Amp > IXOS Speaker Cables > Pioneer CS-77A Speakers

  7. #17
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 2,720
    I'm Oliver.

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    Well, we're atill here in the Anaolgue Art section so i thought a little update was necessary.

    So the contenders were (minus the winner, thats a secret ;D )

    Random 0.72p polypropylene Cap

    Random Polystyrene cap

    Mundorf ZN Cap

    Signal Path Cap

    Mundorf Evo Cap

    Random 1. 50 Polypropylene cap

    Plus the winning cap.

    I put around 30 hours of music through the various capacitors before listening tests. I used about 20 different tracks, some for only the odd note here and there. Overall i really enjoyed this. I had the Guitar & Piano at hand throughout and tried to find the nearest sounding option available. I have invested around 15 hour listening and testing each cap note for note and ended up having to buy a headphone amp to keep the wife happy lol.

    The biggest surprise was how well the 0.72p cap sounded ! i actually preferred this to the Mundorf ZN ! It lacked a little refinement and sounded a touch raw but it did very well.

    The finalists were the Signal Paths, Mundorf Evos (much better than the ZN's) and the overall winners, which i wont announce lol I'm now looking into ways to conceal the identity of them

    Any way, as a first foray into testing i'd say doing it blindly is the real winner here.


    So to conclude this little thread, The best names aren't always the best caps.
    Alphason HR100 MCS > Toshiba SR 370 Turntable > ZYX R50 Bloom cartridge > Firebottle OTP MK2 Phono Stage > Firebottle Monoblocks > Creek OBH-11SE Headphone Amp > IXOS Speaker Cables > Pioneer CS-77A Speakers

  8. #18
    Join Date: Apr 2012

    Location: Co. Durham

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    I'm Stephen.

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    Quote Originally Posted by Bigman80 View Post
    The finalists were the Signal Paths, Mundorf Evos (much better than the ZN's) and the overall winners, which i wont announce lol I'm now looking into ways to conceal the identity of them
    Am I being more dense than usual here, in asking: Why? I don't quite understand the point of this.



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    A Bah-Humbug to the lot of ya.

  9. #19
    Join Date: Nov 2015

    Location: Wolverhampton

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    I'm Oliver.

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    Quote Originally Posted by Mr Kipling View Post
    Am I being more dense than usual here, in asking: Why? I don't quite understand the point of this.



    Sent from my CUBOT_NOTE_S using Tapatalk


    Well, its a bit like why manufacturers such as Ray Samuels remove the Opamp details from the top of the chip. They spend 's and hours listening and testing until they're happy with their choice and they aren't just going to give away their findings to everyone for free, because they're selling stuff. Same as the Capacitors. They are going into a product which will be for sale.
    Alphason HR100 MCS > Toshiba SR 370 Turntable > ZYX R50 Bloom cartridge > Firebottle OTP MK2 Phono Stage > Firebottle Monoblocks > Creek OBH-11SE Headphone Amp > IXOS Speaker Cables > Pioneer CS-77A Speakers

  10. #20
    Join Date: Apr 2012

    Location: Southall, West London

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    I'm Geoff.

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    Quote Originally Posted by Mr Kipling View Post
    Am I being more dense than usual here
    Best I don't answer that.


    Seriously though, capacitor comparisons have value. They can affect sonic characteristics.

    Marco did an interesting series of similar tests with his passive pre-amp not long ago.
    Mr. Tact!

    Main system: MMs/ADCs/Low output MC's/One rare Japanese SUT/One scarce British phono stage/various tonearms/hefty Japanese DD TT and hefty Japanese BD TT and small British BD TT. 4 CD players/2 jitter buster/2 DACs/Valve buffer. TVC stepped attenuator or valve pre-amp or solid state pre-amp. Current dumping power-amp or either of two Class A SS power-amp or Class A EL34 valve monos or big Japanese (part Class A) integrated. Big dual concentric speakers/Smaller dual concentric speakers/Two way British compacts and full range speakers, amongst others. And too much more to list!

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