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Thread: Allo Boss Isolator and Linear PS

  1. #1
    Join Date: Apr 2008

    Location: Nantwich

    Posts: 837
    I'm Steve.

    Default Allo Boss Isolator and Linear PS



    So it was Oliver ĎBigman 80í who first got me interested in the Chinese linear PS for the Allo Boss Dac/ isolator and pi.
    Iíve got 3 IQaudIO DACs around the house, as well their digi+ which enabled me to try a few different DACs out. My reference became the digi+ feeding a chord mojo.
    Really very very good at listening to my NAS and more recently Tidal.

    Iíd been wondering what improvements the little power supplies would make, especially as I had great success with a LDA linear into a Beresford dac.

    So when Jim (Jimbo) decided to sell not only two of these linear ps but also the Allo Boss and isolator I couldnít resist.

    All I can say is that nothing prepared me for how good this package is.

    I thought the chord mojo was good.. this is in another league.
    See Oliverís posts for excellent audio descriptions.. they are very accurate.

    Iíve been going through favourites and discovering all sorts. The system is improved holistically, with all elements heightened. Not least of which is the bass that drives tunes along. Never realised my Harbeth P3ESRís could do this level of low frequency information.
    That also means that vocals improve with added timbre, not just bass instruments.
    Soundstage, instrument separation, placement.. all the usual stuff used to describe audio improvement applies.

    Even paying full retail for this kit is simply extraordinary value.Which is what I think Iíll do for the 2nd system.


    Sent from my iPhone using Tapatalk

  2. #2
    Join Date: Jan 2013

    Location: Birmingham

    Posts: 4,838
    I'm James.

    Default

    Looks good in your system Steve and as you have testified sound very good indeed.

    Oliver and myself have banged on about this system a fair bit and I would recommend to anyone who likes digital to try this set up. It costs peanuts to buy and from my own listening experiences competes and betters some of the very best high end systems I have heard.

    Glad your enjoying what it brings to your system Steve.
    VPI Scout 1.1 - Ortofon 2M Black FGS - Croft 25R+ - Croft Series 7 - Spendor SP2

  3. #3
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 9,573
    I'm Oliver.

    Default

    Quote Originally Posted by SteveW View Post


    So it was Oliver ‘Bigman 80’ who first got me interested in the Chinese linear PS for the Allo Boss Dac/ isolator and pi.
    I’ve got 3 IQaudIO DACs around the house, as well their digi+ which enabled me to try a few different DACs out. My reference became the digi+ feeding a chord mojo.
    Really very very good at listening to my NAS and more recently Tidal.

    I’d been wondering what improvements the little power supplies would make, especially as I had great success with a LDA linear into a Beresford dac.

    So when Jim (Jimbo) decided to sell not only two of these linear ps but also the Allo Boss and isolator I couldn’t resist.

    All I can say is that nothing prepared me for how good this package is.

    I thought the chord mojo was good.. this is in another league.
    See Oliver’s posts for excellent audio descriptions.. they are very accurate.

    I’ve been going through favourites and discovering all sorts. The system is improved holistically, with all elements heightened. Not least of which is the bass that drives tunes along. Never realised my Harbeth P3ESR’s could do this level of low frequency information.
    That also means that vocals improve with added timbre, not just bass instruments.
    Soundstage, instrument separation, placement.. all the usual stuff used to describe audio improvement applies.

    Even paying full retail for this kit is simply extraordinary value.Which is what I think I’ll do for the 2nd system.


    Sent from my iPhone using Tapatalk
    Remind me how much i owe you for these statements lol.

    Glad to have been of service
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK6 tonearm > Ortofon Kontrapunkt b > Bigbottle Jfet MC Valve Phonostage (Telefunken Valves)
    Digital: Raspberry Pi 3+/Allo Boss 1.2/Isolator 1.3 & Firebottle LPSU with Volumio & JRiver
    Amplification: Nelson Pass Derived DCB1 with Khozmo 48 Step Series Attenuator & Neurochrome Modulus 686 Amplifier
    Cables: SPOTFIRE Speaker Cable & SPOTFIRE IC Cables & SPOTFIRE Tonearm cable
    Speakers: Pioneer CS-77A

    Price List For SPOTFIRE Cables here:https://bit.ly/2Uxiv3j

    Alternative reading: http://www.audioaddictsforum.com

  4. #4
    Join Date: Sep 2009

    Location: Leek, Staffordshire

    Posts: 209
    I'm Dave.

    Default

    Looking good - any info on what make the PSU's are please.

    Look like just what I want to power my Matrix Audio X-SPDIF2 - assuming they can output up DC 6~9V,≥800mA.

    Cheers
    Dave

    Currently listening to:

    Wilmslow Audio Gemini speakers with external crossovers | Temple Audio Bantam One | Matrix Audio X-Sabre Pro and X-SPDIF 2 | Inspire Quest TT | Roon Server | Reference Fidelity Interconnects

  5. #5
    Join Date: Apr 2008

    Location: Nantwich

    Posts: 837
    I'm Steve.

    Default

    https://www.ebay.co.uk/itm/25VA-Ultr...-/142731699776


    Sent from my iPhone using Tapatalk

  6. #6
    Join Date: Apr 2008

    Location: Nantwich

    Posts: 837
    I'm Steve.

    Default

    Reckon it’s not just the power supplies..

    When I get a moment I’ll do a direct comparison between the IOaudiO kit and Allo.

    The overall package is Outstanding.. seriously Oustanding.

    Quote Originally Posted by Emmings View Post
    Looking good - any info on what make the PSU's are please.

    Look like just what I want to power my Matrix Audio X-SPDIF2 - assuming they can output up DC 6~9V,≥800mA.

    Cheers

  7. #7
    Join Date: Sep 2009

    Location: Leek, Staffordshire

    Posts: 209
    I'm Dave.

    Default

    Cheers - thanks for the info/link
    Dave

    Currently listening to:

    Wilmslow Audio Gemini speakers with external crossovers | Temple Audio Bantam One | Matrix Audio X-Sabre Pro and X-SPDIF 2 | Inspire Quest TT | Roon Server | Reference Fidelity Interconnects

  8. #8
    Join Date: Apr 2012

    Location: Near Oxford

    Posts: 921
    I'm Bill.

    Default

    My OCD would need to see the same reading on those power supplies
    Allo Boss Player / NJC Audio Reference Headphone Amp / Sennheiser HD600

  9. #9
    Join Date: Apr 2012

    Location: Near Oxford

    Posts: 921
    I'm Bill.

    Default

    Is it worth me sacrificing my aluminium case to fit an isolator board to my Boss?
    Allo Boss Player / NJC Audio Reference Headphone Amp / Sennheiser HD600

  10. #10
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 9,573
    I'm Oliver.

    Default

    Quote Originally Posted by Bourneendboy View Post
    Is it worth me sacrificing my aluminium case to fit an isolator board to my Boss?
    Yes

    100% in my opinion.
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK6 tonearm > Ortofon Kontrapunkt b > Bigbottle Jfet MC Valve Phonostage (Telefunken Valves)
    Digital: Raspberry Pi 3+/Allo Boss 1.2/Isolator 1.3 & Firebottle LPSU with Volumio & JRiver
    Amplification: Nelson Pass Derived DCB1 with Khozmo 48 Step Series Attenuator & Neurochrome Modulus 686 Amplifier
    Cables: SPOTFIRE Speaker Cable & SPOTFIRE IC Cables & SPOTFIRE Tonearm cable
    Speakers: Pioneer CS-77A

    Price List For SPOTFIRE Cables here:https://bit.ly/2Uxiv3j

    Alternative reading: http://www.audioaddictsforum.com

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