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Thread: Justin & Jerry's Hifi Blog

  1. #3051
    Join Date: Aug 2009

    Location: Staffordshire, England

    Posts: 26,363
    I'm Martin.

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    You can send the losing Krell to me Jerry, I'll give it a good home.
    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!'

  2. #3052
    Join Date: Jan 2008

    Location: Forest of Dean, Glos

    Posts: 11,435
    I'm Jerry.

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    Quote Originally Posted by Macca View Post
    You can send the losing Krell to me Jerry, I'll give it a good home.
    Noooo, both are staying for a while.

    I've only had them a couple of weeks, so still learning what they both can do.
    It only takes a minute or so to swap between them - although the warm up period of the Crayon is a pain. The best thing is probably to swap the cables to the Crayon last thing at night and have it ready for action for the following day.
    Jerry

    i. Qobuz internet streaming > Audiobyte Black Dragon DAC > Marantz HD-AMP1 > MBL 116F speakers
    Cables : Wyreworld Starlight USB, Epiphany Atratus III interconnect, Tellurium Q Silver speaker.
    USB signal pampering : Wired4Sound Recovery & Halide Bridge.
    Headphones : Beyerdynamic DT 250

    ii Internet streaming > Audiolab MDAC > Marantz HD-AMP1 > Infinity Cascade 9 speakers & Jamo SUB200

  3. #3053
    Join Date: Aug 2009

    Location: Staffordshire, England

    Posts: 26,363
    I'm Martin.

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    Okay, when you are ready to move it on you know where I am.
    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!'

  4. #3054
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 5,098
    I'm Alan.

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    Quote Originally Posted by jandl100 View Post
    And then, after a few hours of being powered up, the Crayon starts to stretch its legs - and seemingly quite suddenly the Crayon opens up in both 3D imaging and tonal texture.


    I suspect the Crayon is the best amp I have owned so far.
    Very interesting result Jerry and quite some statement at the end

    Excellent stuff. AoS would be a duller place without a few inveterate box swappers

  5. #3055
    Join Date: Jan 2008

    Location: Forest of Dean, Glos

    Posts: 11,435
    I'm Jerry.

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    The Crayon amp seems to be an interestingly different technical design, way beyond my humble ability to understand!

    Details in the 6moons review here - https://6moons.com/audioreviews/crayon/crayon.html
    and the Crayoin website http://www.crayon-audio.com/en-cfa-1-2-black/
    Jerry

    i. Qobuz internet streaming > Audiobyte Black Dragon DAC > Marantz HD-AMP1 > MBL 116F speakers
    Cables : Wyreworld Starlight USB, Epiphany Atratus III interconnect, Tellurium Q Silver speaker.
    USB signal pampering : Wired4Sound Recovery & Halide Bridge.
    Headphones : Beyerdynamic DT 250

    ii Internet streaming > Audiolab MDAC > Marantz HD-AMP1 > Infinity Cascade 9 speakers & Jamo SUB200

  6. #3056
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 5,098
    I'm Alan.

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    Wow, some write up.
    Basically it has a switch mode power supply, bridge mode outputs and no coupling caps. Plus very effective RFI filtering and pc board layout.

  7. #3057
    Join Date: Jan 2008

    Location: Forest of Dean, Glos

    Posts: 11,435
    I'm Jerry.

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    What's the idea behind the live input sockets?
    I've been warned never to swap cables unless the amp is turned off.
    Jerry

    i. Qobuz internet streaming > Audiobyte Black Dragon DAC > Marantz HD-AMP1 > MBL 116F speakers
    Cables : Wyreworld Starlight USB, Epiphany Atratus III interconnect, Tellurium Q Silver speaker.
    USB signal pampering : Wired4Sound Recovery & Halide Bridge.
    Headphones : Beyerdynamic DT 250

    ii Internet streaming > Audiolab MDAC > Marantz HD-AMP1 > Infinity Cascade 9 speakers & Jamo SUB200

  8. #3058
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 5,098
    I'm Alan.

    Default

    It's not the input sockets that are 'live' as you say, but they do have RFI filtering on signal and ground connections.
    It is the speaker terminals that are both 'live' as it is a bridge output, so don't earth either output connection.

    Always a good ides to switch off before changing any connections, I have blown fuses by not doinfg so in the past (oops).

  9. #3059
    Join Date: Jan 2008

    Location: Forest of Dean, Glos

    Posts: 11,435
    I'm Jerry.

    Default

    Ah, OK - thanks, Alan.
    Jerry

    i. Qobuz internet streaming > Audiobyte Black Dragon DAC > Marantz HD-AMP1 > MBL 116F speakers
    Cables : Wyreworld Starlight USB, Epiphany Atratus III interconnect, Tellurium Q Silver speaker.
    USB signal pampering : Wired4Sound Recovery & Halide Bridge.
    Headphones : Beyerdynamic DT 250

    ii Internet streaming > Audiolab MDAC > Marantz HD-AMP1 > Infinity Cascade 9 speakers & Jamo SUB200

  10. #3060
    Join Date: Jan 2013

    Location: Bristol

    Posts: 5,862
    I'm Justin.

    Default

    Nah the Crayon is obviously coloured (did you see what I did there?).

    IMHO quite a few amps go 'all nice' when they have been on a long, long time. Annoying to say the least. But sometimes they go 'all nice' too far. And you crave for a bit of bite back.

    It's hi-fi. Can't and never will win. None of us.

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