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Thread: Caiman SEG “supercap upgrade” - [emoji106]

  1. #1
    Join Date: Aug 2009

    Location: West Yorkshire

    Posts: 1,430
    I'm Stephen.

    Default Caiman SEG “supercap upgrade” - 👍

    A few weeks ago I bought a new “high end” 15v linear PSU for my SEG and Stan very kindly offered to “tweak” it to take full advantage of the capabilities of the new PSU.
    This involved fitting 47000uF super capacitors to achieve a higher dynamic ceiling for the discrete output stage, before the onset of clipping from the power supply level (if I understood correctly). 🤯
    Arrived and installed today. First impressions straight out the box were disappointing with “overblown” bass and a somewhat aggressive forward presentation. I didn’t like it 🤢

    However,after 3 or so hours of “burn in/warm up” things changed dramatically for the better
    Compared to my standard SEG the bass is fuller and goes deeper but more importantly it’s resolving low volume low frequency stuff I’d never heard before. This improved resolution isn’t just confined to the bass areas - there’s a noticeable improvement in fine detail with guitar and piano pieces where individual plucked strings/keys are audible within the mix rather than tending to bleed into each other. Nick Cave’s The Boatman’s Call demonstrates this perfectly. This results in a more musical experience which extends across multiple types of music (flamenco, Rod & Gab, Einaudi, Lightnin Hopkins, Floyd,Jan Garbarek etc etc).

    I’m currently listening to Flamenco Arabe 2 (loads of complex strings, wind, vocals and percussion) - I’ve heard music of this genre live loads of times in Andalusia and Morocco and the sounds I’m hearing this evening take me as close as I’ve ever been to that live sound. It really is that good.

    In a nutshell the SEG SUPERCAP sounds significantly better than the standard SEG which was already bloody good so my thanks Stan

    I should add that these benefits were heard using both CD and Bluetooth streaming as sources.




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    Last edited by worrasf; 24-11-2017 at 21:29.
    Always a little further

  2. #2
    Join Date: Feb 2008

    Location: http://www.homehifi.co.uk

    Posts: 6,090

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    I managed to get a small quantity of the components to do the upgrade. So if anyone with a 15V power supply is interested in this mod, just PM me for more details.

  3. #3
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 7,162
    I'm AnDreW.

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    So, whats supposed to be the best way of powering the SEG. The ankaka battery or a 15V linear PSU?
    SS CD Teac VRDS25X(Mega Modded) DAC Caiman SEG+Anker PSU DECK 1210 Mat Analog Studio Crystal Mods MN Base/Bearing/Platter+Ebony arm Board Feet Isonoe PSU Paul Hynes SR7EHD-27XL/DCSXL Ag DC lead/Jaeger(low-impedance) connector/3 StageRegs/Recapped PCB+No Pitch/Strobe/Light ARM SME V(Kondo Ag Rewire&Tags) MC Cadenza Black 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

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  4. #4
    Join Date: Aug 2009

    Location: West Yorkshire

    Posts: 1,430
    I'm Stephen.

    Default Caiman SEG “supercap upgrade” - 👍

    Quote Originally Posted by REXTON View Post
    So, whats supposed to be the best way of powering the SEG. The ankaka battery or a 15V linear PSU?
    IMO having used both, the best by far is with a high quality LPSU such as the Nick Gorham (Long Dog Audio) LPSU I purchased from MCRU
    Last edited by worrasf; 03-12-2017 at 22:53.
    Always a little further

  5. #5
    Join Date: Mar 2009

    Location: Chelmsford, Essex

    Posts: 269
    I'm Gareth.

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    Very interesting. I use this linear PSU configured with a 15v & 5v output:

    http://www.ebay.co.uk/itm/2016NEW-S1...8AAOSwFqJWjSiU

    PM sent to Stan.

  6. #6
    Join Date: Feb 2011

    Location: glasgow

    Posts: 2,192
    I'm tony.

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    Was this on cans or your full rig-just out of interest?

  7. #7
    Join Date: Aug 2009

    Location: West Yorkshire

    Posts: 1,430
    I'm Stephen.

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    Quote Originally Posted by wee tee cee View Post
    Was this on cans or your full rig-just out of interest?
    Full rig. TBH not tried with cans yet (I use the Capella for these)


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  8. #8
    Join Date: Apr 2012

    Location: Near Oxford

    Posts: 669
    I'm Bill.

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    Just ordered a Longdog PSU, should be arriving at the end of the week!

  9. #9
    Join Date: Aug 2009

    Location: West Yorkshire

    Posts: 1,430
    I'm Stephen.

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    Quote Originally Posted by Bourneendboy View Post
    Just ordered a Longdog PSU, should be arriving at the end of the week!
    I think you will be very pleased with the improvement it brings -


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    Always a little further

  10. #10
    Join Date: Feb 2008

    Location: http://www.homehifi.co.uk

    Posts: 6,090

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    Quote Originally Posted by REXTON View Post
    So, whats supposed to be the best way of powering the SEG. The ankaka battery or a 15V linear PSU?
    Both are equally excellent to my ears, and many others are of the same opinion. But the 15V option does allow for a better dynamic range, which is further exploited by the SEG mod.

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