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Thread: This guide is to help you build the DOUK KSL-M77 Preamp clone kit.

  1. #21
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 9,764
    I'm Oliver.

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    Quote Originally Posted by montesquieu View Post
    It's still a Toyota with Ferrari badges on.
    As long as it's "sold" like that, will utter transparency, there's no drama IMO.
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK6 tonearm > Ortofon Kontrapunkt b > Bigbottle Jfet MC Valve Phonostage
    Digital: Orchard Audio PecanPi with JRiver
    Preamplifier: DCB1 with Khozmo 48 Step Series Attenuator or Neurochrome Differential Preamp
    Amplification: Neurochrome Modulus 686
    Cables: SPOTFIRE Speaker Cable & SPOTFIRE IC Cables & SPOTFIRE Tonearm cable
    Speakers: Mordaunt Short Performance 880

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

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

  2. #22
    Join Date: Feb 2010

    Location: Berkshire, UK

    Posts: 4,010
    I'm Tom.

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    Quote Originally Posted by Bigman80 View Post
    As long as it's "sold" like that, will utter transparency, there's no drama IMO.
    Is that really what you think when you see one in the street?
    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. #23
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 9,764
    I'm Oliver.

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    Quote Originally Posted by montesquieu View Post
    Is that really what you think when you see one in the street?
    Yes, there's a local guy who managed to convert an old Mazda (I think) into a Ferrari lookalike. Its convincing from a distance but as you get up close, it's obvious a lookalike and when you ask him he absolutely acknowledges that it's a bit of fun and not to be taken seriously.

    I think you have to look at this M77 in the same vein. Its a homage to the original, an original so expensive that the only way to even get close to one is to replicate it. Hell, every bloody valve amp out there has topology and a circuit diagram that's been done before. There's nothing new, it's all a recycle and a few tweaks of old technology .

    The M77 is an interesting kit and having the matching chassis is a bonus. Why not have some fun and knock up a knock-off!
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK6 tonearm > Ortofon Kontrapunkt b > Bigbottle Jfet MC Valve Phonostage
    Digital: Orchard Audio PecanPi with JRiver
    Preamplifier: DCB1 with Khozmo 48 Step Series Attenuator or Neurochrome Differential Preamp
    Amplification: Neurochrome Modulus 686
    Cables: SPOTFIRE Speaker Cable & SPOTFIRE IC Cables & SPOTFIRE Tonearm cable
    Speakers: Mordaunt Short Performance 880

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

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

  4. #24
    Join Date: Feb 2010

    Location: Berkshire, UK

    Posts: 4,010
    I'm Tom.

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    Quote Originally Posted by Bigman80 View Post

    I think you have to look at this M77 in the same vein. Its a homage to the original, an original so expensive that the only way to even get close to one is to replicate it. Hell, every bloody valve amp out there has topology and a circuit diagram that's been done before. There's nothing new, it's all a recycle and a few tweaks of old technology .
    That's actually not true in the least there's quite a lot of genuine innovation if you look for it.
    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

  5. #25
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 9,764
    I'm Oliver.

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    Quote Originally Posted by montesquieu View Post
    That's actually not true in the least there's quite a lot of genuine innovation if you look for it.
    Well, we disagree, not for the first time!

    My point is, us mere mortals with low budgets for hifi can't afford "genuine innovation" so what we end up with is recycled, revamped circuits in new chassis with shiny new badges.

    You may not agree but take a browse across anything from China with a valve in and I am confident it will be taken from some circuit developed in the 60s. Valab did it with their Valve phonostage, it was a copy of the old Marantz phonostage.

    Its very common, Tom but less so in the pool of good you play with.
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK6 tonearm > Ortofon Kontrapunkt b > Bigbottle Jfet MC Valve Phonostage
    Digital: Orchard Audio PecanPi with JRiver
    Preamplifier: DCB1 with Khozmo 48 Step Series Attenuator or Neurochrome Differential Preamp
    Amplification: Neurochrome Modulus 686
    Cables: SPOTFIRE Speaker Cable & SPOTFIRE IC Cables & SPOTFIRE Tonearm cable
    Speakers: Mordaunt Short Performance 880

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

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

  6. #26
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 7,902
    I'm AnDreW.

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    Guys, have a look at some of the threads about this subject. Some posters have gone to great depths detailing the differences between the original designs and the chi-fi clones. As I stated some clones appear better than others with respects to how faithful they've been in copying the original design.
    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 Bearing 401 Plinth Moldovan Arms 3009/3012(Ikeda Ag wired) 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

    WEBSITE - WWW.FACEBOOK.COM/WAKEFIELDAUDIO

  7. #27
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 9,764
    I'm Oliver.

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    Quote Originally Posted by REXTON View Post
    Guys, have a look at some of the threads about this subject. Some posters have gone to great depths detailing the differences between the original designs and the chi-fi clones. As I stated some clones appear better than others with respects to how faithful they've been in copying the original design.
    Will do, I'm now rather interested in building one
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK6 tonearm > Ortofon Kontrapunkt b > Bigbottle Jfet MC Valve Phonostage
    Digital: Orchard Audio PecanPi with JRiver
    Preamplifier: DCB1 with Khozmo 48 Step Series Attenuator or Neurochrome Differential Preamp
    Amplification: Neurochrome Modulus 686
    Cables: SPOTFIRE Speaker Cable & SPOTFIRE IC Cables & SPOTFIRE Tonearm cable
    Speakers: Mordaunt Short Performance 880

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

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

  8. #28
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 5,096
    I'm Alan.

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    Quote Originally Posted by REXTON View Post
    Well I own a fairly well sorted EAR 834 clone..... but I've no doubt that an original EAR 834 probably sounds miles better.
    The clone you have with the FB modifications is far better than the original EAR 834. I have applied similar modifications to a real 834 and improved it a fair bit.

  9. #29
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 9,764
    I'm Oliver.

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    Quote Originally Posted by Firebottle View Post
    The clone you have with the FB modifications is far better than the original EAR 834. I have applied similar modifications to a real 834 and improved it a fair bit.
    I have heard both variations of that phonostage, the original and the modded. The modded is far better IMO.
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK6 tonearm > Ortofon Kontrapunkt b > Bigbottle Jfet MC Valve Phonostage
    Digital: Orchard Audio PecanPi with JRiver
    Preamplifier: DCB1 with Khozmo 48 Step Series Attenuator or Neurochrome Differential Preamp
    Amplification: Neurochrome Modulus 686
    Cables: SPOTFIRE Speaker Cable & SPOTFIRE IC Cables & SPOTFIRE Tonearm cable
    Speakers: Mordaunt Short Performance 880

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

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

  10. #30
    Join Date: Aug 2008

    Location: Suffolk, UK

    Posts: 1,474
    I'm Paul.

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    For me the issue is people earning money from someone else’s work and IP. Copying something is fine, even copying something for a friend who compensates you for your time. It’s when someone makes a business of it without the original designer’s permission.
    ~Paul~

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