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Thread: Preamp Bakeoff

  1. #21
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 9,802
    I'm Oliver.

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    Not when you get it, it must be done on arrival.
    Quote Originally Posted by chiily View Post
    Is that case earthed?
    Sent from my VKY-L09 using Tapatalk
    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: Nov 2015

    Location: Wolverhampton

    Posts: 9,802
    I'm Oliver.

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    Old thread but related to the RVC from china.

    ASR review:

    https://www.audiosciencereview.com/f...-pre-amp.8331/
    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

  3. #23
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 5,097
    I'm Alan.

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    Hmm, interesting. Never had any issues with noise with mine.

  4. #24
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 9,802
    I'm Oliver.

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    Quote Originally Posted by Firebottle View Post
    Hmm, interesting. Never had any issues with noise with mine.
    They are pretty thorough over there at ASR.

    Maybe quality control needs a smacked arse
    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

  5. #25
    Join Date: Aug 2009

    Location: Staffordshire, England

    Posts: 26,359
    I'm Martin.

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    The noise is very low, you'd be doing well to be able to hear its effect. Their only criticism seems to be that it is not perfect. But it's a hundred bucks from China so not really a big deal.
    Current Lash Up:

    *Sony SCD XB790QS* Nelson Pass DCB1 / Krell KSA100 mkII * JM Lab Electra 926 *


    'You fool! To think that your ape-brain could contain the full knowledge of the Krell!'

  6. #26
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 5,097
    I'm Alan.

    Default

    Agreed, why so many mains harmonics I don't know.
    The psu arrangement is very traditional, transformer, bridge rectifier, smoothing cap then into two chip regulators.

  7. #27
    Join Date: Jul 2017

    Location: Kent

    Posts: 430
    I'm Paul.

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    I'm selling my one on ebay as we speak. I found it erring on the bright side in end so off she goes.

    Sent from my CLT-L09 using Tapatalk
    Current system:
    RPi + Allo Digione
    Beresford Caiman Seg & Dorado powered by 15v Linear PSU
    Transcendent Sound Mini Beast OTL
    Amptastic Mini-1
    Klipsch KG4.5 Speakers with Titanium Diagphrams and Sonicap Cap upgrade
    110aH Leisure Battery powers the Mini-1 & Digione

  8. #28
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 9,802
    I'm Oliver.

    Default

    Quote Originally Posted by Pepperamip View Post
    I'm selling my one on ebay as we speak. I found it erring on the bright side in end so off she goes.

    Sent from my CLT-L09 using Tapatalk
    Yup, I understand your POV on it. That's where I ended up after a few days of listening.
    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

  9. #29
    Join Date: Jul 2017

    Location: Kent

    Posts: 430
    I'm Paul.

    Default

    I must try a dcb1 build Ollie but I think I've let my passive khozmo put me off a bit.

    Need to try one in my system somehow before I start shelling out on bits.

    Sent from my CLT-L09 using Tapatalk
    Current system:
    RPi + Allo Digione
    Beresford Caiman Seg & Dorado powered by 15v Linear PSU
    Transcendent Sound Mini Beast OTL
    Amptastic Mini-1
    Klipsch KG4.5 Speakers with Titanium Diagphrams and Sonicap Cap upgrade
    110aH Leisure Battery powers the Mini-1 & Digione

  10. #30
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 9,802
    I'm Oliver.

    Default

    Quote Originally Posted by Pepperamip View Post
    I must try a dcb1 build Ollie but I think I've let my passive khozmo put me off a bit.

    Need to try one in my system somehow before I start shelling out on bits.

    Sent from my CLT-L09 using Tapatalk
    If you were a bit closer I'd have brought it round for you to try

    Not sure there is anyone local to you with one but they can be built cheaper than I built mine for. I just went all out lol
    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

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