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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: 8,747
    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 (Telefunken Valves)
    Digital: Raspberry Pi 3+/Allo Boss 1.2/Isolator 1.3 & 2x LPSU's with Volumio & JRiver
    Amplification: Nelson Pass DCB1 with Khozmo 48 Step Series Attenuator & Krell KSA100 MK2 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

  2. #22
    Join Date: Feb 2010

    Location: Berkshire, UK

    Posts: 3,791
    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; Pre EAR 912; Vinyl: 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 GE; 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 and SUT from EAR 912 + Miyajima ETR-Mono SUT; Esoteric Sound Re-Equalizer for equalisation of early mono and 78, switchable in from tape loop; Digital: Audio Note CDT2/II transport, heavily modded AN Kit DAC + Mutec MC3+USB.

    Study: Speakers - Tannoy DC6; Amp: Sony TA-F3000ES; Digital: CDP Sony CDP-X3000ES & Arcam rBlink; Vinyl: Technics SL10 with Pickering TL-3.

  3. #23
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 8,747
    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 (Telefunken Valves)
    Digital: Raspberry Pi 3+/Allo Boss 1.2/Isolator 1.3 & 2x LPSU's with Volumio & JRiver
    Amplification: Nelson Pass DCB1 with Khozmo 48 Step Series Attenuator & Krell KSA100 MK2 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

  4. #24
    Join Date: Feb 2010

    Location: Berkshire, UK

    Posts: 3,791
    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; Pre EAR 912; Vinyl: 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 GE; 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 and SUT from EAR 912 + Miyajima ETR-Mono SUT; Esoteric Sound Re-Equalizer for equalisation of early mono and 78, switchable in from tape loop; Digital: Audio Note CDT2/II transport, heavily modded AN Kit DAC + Mutec MC3+USB.

    Study: Speakers - Tannoy DC6; Amp: Sony TA-F3000ES; Digital: CDP Sony CDP-X3000ES & Arcam rBlink; Vinyl: Technics SL10 with Pickering TL-3.

  5. #25
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 8,747
    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 (Telefunken Valves)
    Digital: Raspberry Pi 3+/Allo Boss 1.2/Isolator 1.3 & 2x LPSU's with Volumio & JRiver
    Amplification: Nelson Pass DCB1 with Khozmo 48 Step Series Attenuator & Krell KSA100 MK2 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

  6. #26
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 7,729
    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 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(Mega Modded) AMP Sondex S100 (modded) SPEAKERS Tannoy 15"MG+RFC Warwick cabs+ Reference XO DECKS Garrard301/401 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 VdH 6mm Blue IC Oyaide FTVS-510 AgWBT 0110Ag Phonostage Paradise(4 Box) / EAR 834 Clone (modded)


  7. #27
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 8,747
    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 (Telefunken Valves)
    Digital: Raspberry Pi 3+/Allo Boss 1.2/Isolator 1.3 & 2x LPSU's with Volumio & JRiver
    Amplification: Nelson Pass DCB1 with Khozmo 48 Step Series Attenuator & Krell KSA100 MK2 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

  8. #28
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 4,835
    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: 8,747
    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 (Telefunken Valves)
    Digital: Raspberry Pi 3+/Allo Boss 1.2/Isolator 1.3 & 2x LPSU's with Volumio & JRiver
    Amplification: Nelson Pass DCB1 with Khozmo 48 Step Series Attenuator & Krell KSA100 MK2 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

  10. #30
    Join Date: Aug 2008

    Location: Suffolk, UK

    Posts: 1,424
    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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