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Thread: Rexton's Valve System - Upgrade Blog

  1. #71
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 9,560
    I'm Oliver.

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    Quote Originally Posted by montesquieu View Post
    I remain curious to hear one but without evidence it's doing anything spectacularly new and innovative that might explain its magical powers, I'm afraid I'm not the only one that will file this under 'latest forum fad' aka 'the best thing since sliced bread since the last thing that was the best thing since sliced bread'.
    Forum fad?


  2. #72
    Join Date: Feb 2010

    Location: Berkshire, UK

    Posts: 4,164
    I'm Tom.

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    Quote Originally Posted by hornucopia View Post
    The ears have it? I share Tom's scepticism a bit, having read many 'lifting of veils' comments over many years; ....how many veils ARE there?
    But ever optimistic.....
    am open to possibility of unknown folk coming up with lateral thinking-e.g Berning amps (though that isn't a good example as he used a novel cencept.!)
    Crayon might be a better example?
    There are hundreds of makers out there-surely some are going to hit bullseye on sound, either in design or in syncronicity with speakers etc..
    When ones ears hear quality (over a longer time.....immediacy can deceive)then accept?
    Or else, as I often think, running my 40 year old Hafler amp, things haven't changed THAT much in years-except new concepts like chip/Class D.
    The point is Chris that no amp fits all speakers so it's all about what it's doing specifically .. Even your Hafler won't suit everything.

    It's AB according to the web site so there are questions about about bias and the point as which it transitions out of class A, about output impedance (which is the biggest thing that determines speaker suitability, even more so than watts in my experience), about its use of global feedback - not necessarily a bad thing despite a lot of the commentary about it online the Radford amps use gobs of it and it's essential (as I understand it) to how op amps actually work, but I do notice it's a topic totally avoided on the web site - about any similar designs before it to which it can be compared and on which it's improved on in some way ... I see that SMPS is suggested as an option on the site, how does that affect things?

    I just want to understand, if this is such a fabulous amp, where it sits in the grand scheme and what expectations we should have of it, what the designer thinks he's bringing to the party that's new, beyond some attention to detail in the component layout which is what's highlighted mainly.

    Like you, I've read just too many subjective reviews about veils and grip and midrange that in the end tell you very little except ' I liked it'. My question still stands - what - specifically - is special in design or execution about this amp that might give some clues to the reported subjective experience and optimal partnering equpment?
    Last edited by montesquieu; 11-11-2019 at 15:32.
    Main: Speakers 'RFC' Tannoy Canterburys / custom crossovers with Tannoy ST50 supertweeters; Amp - Silvercore 833C monoblocks; preamp TBA watch this space; Vinyl: Schopper'd Thorens TD124 MkII + Ikeda IT345-CR1 9 inch and Ikeda IT-407 12 inch tonearms; Cartridges Stereo - Miyajima Madake, Miyajima Takumi, Ikeda 9TT, vintage Ortofon SPU GM and SPU Gold; Mono - Miyajimas - Zero 0.7, Premium 1.0, Miyajima/Edison '78' 4.0 conical, and Shure M44 strapped for mono with several Expert Stylus conicals for different eras of 78s; Phono stage Allnic H7000V used with Miyajima ETR-Mono and ETR-Stereo SUTs; Digital: Audio Note CDT2/II transport, heavily enhanced AN DAC based on kit but aspiring to DAC5 spec.

    Study: Speakers - Tannoy DC6; Amp: Marantz PM-4; Digital: CDP Sony CDP-X3000ES & Arcam rBlink; Vinyl: Garrard 401 with AT 1503 MkI broadcast arm, Ortofon SPU Classic GM, Ortofon 2-15k SUT and Puresound Tenuto platter mat

  3. #73
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 61,883
    I'm Grant.

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    better than sliced bread then. Would like a listen myself. Might save up
    Regards,
    Grant .... ؠ

    I've said it before and I'll say it again: democracy simply-doesn't-work
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  4. #74
    Join Date: Apr 2010

    Location: Bristol, since 1978. Current house since 1996!

    Posts: 633
    I'm Chris.

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    My cafe was based on my own unique bread roll ('Royce Rolls') recipe- sliced bread is mush in comparison!
    I understand your concern, Tom.
    Chris.

  5. #75
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 7,957
    I'm AnDreW.

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    This is an upgrade blog, start another thread if you want to discuss neochrome or whatever it's called FFS.
    SS

    CD Teac VRDS25X(Audiotuned) DAC Caiman SEG+15V PSU+Dorado DECK 1210 Mat SPH SSS 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 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 401/SPH 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



  6. #76
    Join Date: Sep 2009

    Location: Derbyshire

    Posts: 8,487
    I'm Josie.

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    No need... Just ask nicely to bring the thread back to the subject matter.
    TRIO L-07D Turntable - Tube Distinctions Copper Amp (Using KT150's) - Croft Epoch Elite (Very highly upgraded) - Studer A80R Master Recorder (High Speed 15/30 IPS) - 15" Tannoy Monitor Gold - Loudspeakers in Lockwood Major cabinets - Tannoyista SPEC 3 Custom Crossovers - VanDamme Black Speaker Cable - Allo KATANA SQ + SHANTI psu

  7. #77
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 7,957
    I'm AnDreW.

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    Quote Originally Posted by Jimbo View Post
    Andy, I have heard many of the amps you have including the Paradise, EAR and Croft Epoch although not modified to the same degree. The Sondex is unfamiliar to me.

    I would say the Neurochrome modulus 686 and the pre amp should be on your list of amps to listen too. It is an extraordinary sounding amp which may make you question the use of valve amplification. It is the most exciting and significant amp I have heard in the last 10 years and I would strongly recommend you try one.

    Jim,

    I've heard lots of reports about the Neurochrome. I love my valves too much. I'm pretty happy plodding on and I kinda like the sound I have. I'm sure the Neurochrome is an excellent amp, I know that the Birmingham brigade (Yourself, Oli and Alan) all have "good ears" when it comes to assessing hi-fi and pretty every time you've all been spot on. But, this system has taken years to develop, maybe at some point in the future I may be tempted.

    A
    SS

    CD Teac VRDS25X(Audiotuned) DAC Caiman SEG+15V PSU+Dorado DECK 1210 Mat SPH SSS 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 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 401/SPH 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



  8. #78
    Join Date: Jan 2013

    Location: Birmingham

    Posts: 4,943
    I'm James.

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    Quote Originally Posted by REXTON View Post
    Jim,

    I've heard lots of reports about the Neurochrome. I love my valves too much. I'm pretty happy plodding on and I kinda like the sound I have. I'm sure the Neurochrome is an excellent amp, I know that the Birmingham brigade (Yourself, Oli and Alan) all have "good ears" when it comes to assessing hi-fi and pretty every time you've all been spot on. But, this system has taken years to develop, maybe at some point in the future I may be tempted.

    A
    I love my valves too Andy and they do have their own magic. I certainly agree with you there. It would take a lot for me to chuck them in for a tranny amp but the Neurochrome is a bit special. Appreciate how much work you have done with your system and I am sure each upgrade has moved it closer to audio nirvana.
    VPI Scout 1.1 - Ortofon 2M Black FGS - Croft 25R+ - Croft Series 7 - Spendor SP2

  9. #79
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 9,560
    I'm Oliver.

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    Quote Originally Posted by REXTON View Post
    Jim,

    I've heard lots of reports about the Neurochrome. I love my valves too much. I'm pretty happy plodding on and I kinda like the sound I have. I'm sure the Neurochrome is an excellent amp, I know that the Birmingham brigade (Yourself, Oli and Alan) all have "good ears" when it comes to assessing hi-fi and pretty every time you've all been spot on. But, this system has taken years to develop, maybe at some point in the future I may be tempted.

    A
    We prefer the "West midlands massive"


  10. #80
    Join Date: Jan 2013

    Location: Birmingham

    Posts: 4,943
    I'm James.

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    Quote Originally Posted by Bigman80 View Post
    We prefer the "West midlands massive"

    VPI Scout 1.1 - Ortofon 2M Black FGS - Croft 25R+ - Croft Series 7 - Spendor SP2

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