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Thread: Preamps: Crayon CFA-1/1.2 - Hovland PH100/200 - Croft Micro 25 RS?

  1. #11
    Join Date: Aug 2014

    Location: Aarhus, Denmark

    Posts: 164
    I'm Peter.

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    It is hard to believe that there is a better amp out there than the Herring VTSP, but I am willing to suspend my disbelief. If only I could demo them. One way to demo the Crayon would be to sell off the Croft Riia R and invest the money set aside for the RS upgrade. Then I could listen to it both as an integrated anp and as a phono stage. The Audiopax is without phono stage, so not really viable.

    A Croft Micro 25 RS could be a possibility. Still I would love to demo first.
    Last edited by Rosewind; 23-07-2019 at 19:56.
    DIY Black box one input attenuator / EAR 516 power / Quad ESL 57 (with new bass panels)
    TT: Thorens TD 147 Jubilee/Benz Micro Gullwing SLR/Van den Hul "the Grail" vs Trilogy 907
    Digital: Synology NAS / JRiver on Win 10 PC / Nuforce S192U USB to spdif/ Line Magnetic 502CA DAC

  2. #12
    Join Date: Jan 2008

    Location: Forest of Dean, Glos

    Posts: 11,424
    I'm Jerry.

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    The Crayon CFA-1 has one problem, it's decent enough but not that special when it's cold.
    Once it's been turned on (not just on standby) for about 6 hours it starts to noticeably improve, after 9 hours it blossoms into an amazingly subtle, transparent and holographic presentation.
    You need to be willing and able to keep it switched on all the time - it's a class AB amp so it doesn't get very warm.

    I wasn't very impressed with it for the first few days. I was switching it off at the end of every evening session.
    Then it was raining and I was at home all day, and the amp stayed on all the time.
    I recall suddenly looking up and thinking "wtf!!" - after just on 6 hours it was like a switch had been pressed and a decent amp had suddenly turned into something very special, it continued to noticeably improve for another 3 hours and then plateaued.
    I keep it on all the time now.
    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. #13
    Join Date: Aug 2014

    Location: Aarhus, Denmark

    Posts: 164
    I'm Peter.

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    I turn my valve kit off when I am not listening.
    Good to know about the Crayon CFA-1. I may try to get one to test against the Herron in a direct comparison.
    DIY Black box one input attenuator / EAR 516 power / Quad ESL 57 (with new bass panels)
    TT: Thorens TD 147 Jubilee/Benz Micro Gullwing SLR/Van den Hul "the Grail" vs Trilogy 907
    Digital: Synology NAS / JRiver on Win 10 PC / Nuforce S192U USB to spdif/ Line Magnetic 502CA DAC

  4. #14
    Join Date: Sep 2009

    Location: west mids, UK

    Posts: 2,391
    I'm Phil.

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    having never heard of crayon audio, i notice winters audio has one

    https://www.wintersaudio.co.uk/ex-demo-part-exchange
    1]bel canto pre 3 vbs /, /rotel cd/ bel canto fm1
    sonos, . tannoy eaton legacy 2]arcam a75 marantz sa8005 jolida modwright dac and RFC impulse ta`us , track audio stands

  5. #15
    Join Date: Aug 2014

    Location: Aarhus, Denmark

    Posts: 164
    I'm Peter.

    Default

    Thanks for the heads up! If I take a chance with the Crayon, I can't allow myself to spend that much. So it will be a mk. 1, hopefully one that does not have the faulty board.
    DIY Black box one input attenuator / EAR 516 power / Quad ESL 57 (with new bass panels)
    TT: Thorens TD 147 Jubilee/Benz Micro Gullwing SLR/Van den Hul "the Grail" vs Trilogy 907
    Digital: Synology NAS / JRiver on Win 10 PC / Nuforce S192U USB to spdif/ Line Magnetic 502CA DAC

  6. #16
    Join Date: Jan 2008

    Location: Forest of Dean, Glos

    Posts: 11,424
    I'm Jerry.

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    What faulty board?!?

    ---

    Just out of interest, Peter, what got the Crayon onto your list? As obscure a piece of kit as ever there was, as far as I am concerned!
    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

  7. #17
    Join Date: Jan 2009

    Location: Essex

    Posts: 21,053
    I'm openingabottleofwine.

    Default

    Quote Originally Posted by jandl100 View Post

    What faulty board?!?

    ---

    Just out of interest, Peter, what got the Crayon onto your list? As obscure a piece of kit as ever there was, as far as I am concerned!
    Taken from a review of the Crayon CFA1.2 on the 6 Moons website: http://www.6moons.com/audioreviews/crayon2/1.html


    Tech talk with Roland Krammer. "First of all the PCB is completely new. That's because half the old boards developed an eventual short between VCC and GND. Now our multi-layer board is made by Ilfa of Hannover, final board assembly by Taube Electronic of Berlin. These are two small hi-tech companies I can rely on because they already worked with us at Unitel on boards for Pandora International Ltd. That was a 26-layer PCB with a 1.500-pin ball-grid array Xilinx FPGA and assorted devilish stuff. I have tested five CFA-1.2 prototype boards for a long stress period with zero failure."
    Barry

  8. #18
    Join Date: Jan 2008

    Location: Forest of Dean, Glos

    Posts: 11,424
    I'm Jerry.

    Default

    Ah.
    Hopefully mine is old enough that the fault would have shown up by now!
    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

  9. #19
    Join Date: Jan 2009

    Location: Essex

    Posts: 21,053
    I'm openingabottleofwine.

    Default

    Yes indeed - but it does say that only half the boards developed faults. Yours must have one of the fault-free boards.
    Barry

  10. #20
    Join Date: Aug 2014

    Location: Aarhus, Denmark

    Posts: 164
    I'm Peter.

    Default

    Jerry. Your signature put me onto it. Simple.
    DIY Black box one input attenuator / EAR 516 power / Quad ESL 57 (with new bass panels)
    TT: Thorens TD 147 Jubilee/Benz Micro Gullwing SLR/Van den Hul "the Grail" vs Trilogy 907
    Digital: Synology NAS / JRiver on Win 10 PC / Nuforce S192U USB to spdif/ Line Magnetic 502CA DAC

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