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Thread: m1 mono

  1. #31
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    Re: m1 mono

    Quote Originally Posted by Alpinist View Post
    My tastes lean towards zero negative feedback even with the higher distortion levels. As you dial up the negative feedback, distortion will decline but something desirable sound wise is lacking. My ideal monoblocks are zero negative feedback and built as monoblocks from the ground up. Those are two big reasons I own what I own.

    Ken
    And your amps have tubes! I tubes.


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  3. #32
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    Re: m1 mono

    Quote Originally Posted by Adyc View Post
    I don’t think it is quite true. For example, the two big red capacitors are used all the time.
    Are these capacitors in the power supply?

    I don’t mean to be hard on the M1.1’s. They are excellent sounding amps. Not my favorite but really fine. I just feel for six figures that the monoblocks should have zero compromises and be built from the ground up as mono amps. Audionet Heisenberg, dartZeel NHB-468, Nagra HD and my amps, Vandersteen M7-HPA, are just a few examples.

    Ken
    "No summit worth climbing is easily attained."
    --------------------------------------------
    Source: MSB Select II DAC with
    Two Mono Powerbases, Femto 33 Clock,
    Renderer V2 and Roon Nucleus Plus
    Amps: Vandersteen M7-HPA Mono Amps
    Speakers: Vandersteen Model 7 Mk2
    Power: AudioQuest Niagara 7000

  4. #33
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    Re: m1 mono

    Quote Originally Posted by Alpinist View Post
    Are these capacitors in the power supply?

    I donít mean to be hard on the M1.1ís. They are excellent sounding amps. Not my favorite but really fine. I just feel for six figures that the monoblocks should have zero compromises and be built from the ground up as mono amps. Audionet Heisenberg, dartZeel NHB-468, Nagra HD and my amps, Vandersteen M7-HPA, are just a few examples.

    Ken
    Seriously, I donít think CH will design M1.1 mono mode with compromise. Most people use them in mono mode. Extra modes of operations should be considered as plus rather than minus IMO. I have compared M1 to one of the amps mentioned in your post in my own system for a month. I can say M1 is up to the the level. Actually, Iím getting a pair of M1.1 to replace my current amp.

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  6. #34
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    Re: m1 mono

    Stereophile review of CH M1.1 has been published online, it can be now be read at the link below.

    https://www.stereophile.com/content/...ower-amplifier

  7. #35
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    Re: m1 mono

    The
    Quote Originally Posted by Jambo View Post
    Stereophile review of CH M1.1 has been published online, it can be now be read at the link below.

    https://www.stereophile.com/content/...ower-amplifier
    Excellent review of the CH Precision M1.1 monoblocks by Michael Fremer. I was surprised that he said that on the spectrum of bright/fast/lean/analytical vs. warm/slow/rich/forgiving that the M1.1’s were slightly on the latter side, while the dartZeel NHB-458’s were slightly on the former side. I would reverse that. I feel the dartZeel sounds more warm and tubey, while the CH sounds more clean and clear. I don’t think the M1.1’s sound tubey at all.

    I was correct about one bank of the M1.1’s stereo components laying dormant in the mono mode. This is a trade-off in my opinion as you’re paying for a bank of devices in each amp that you’re not using in the mono mode. However, this should not impact sound quality.

    Ken
    "No summit worth climbing is easily attained."
    --------------------------------------------
    Source: MSB Select II DAC with
    Two Mono Powerbases, Femto 33 Clock,
    Renderer V2 and Roon Nucleus Plus
    Amps: Vandersteen M7-HPA Mono Amps
    Speakers: Vandersteen Model 7 Mk2
    Power: AudioQuest Niagara 7000

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  9. #36
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    Re: m1 mono

    Quote Originally Posted by Alpinist View Post
    Excellent review of the CH Precision M1.1 monoblocks by Michael Fremer. I was surprised that he said that on the spectrum of bright/fast/lean/analytical vs. warm/slow/rich/forgiving that the M1.1ís were slightly on the latter side, while the dartZeel NHB-458ís were slightly on the former side. I would reverse that. I feel the dartZeel sounds more warm and tubey, while CH sounds more clean and clear. I was correct about one bank of the M1.1ís components laying dormant in the mono mode by giving the flexibility to use it as a stereo amp.

    Ken
    Agreed. However, I would like to hear the amps with the feedback setting he was using. It might be a whole different ballgame.
    My Systems: http://www.audioshark.org/showthread...481#post158481

    "We can hear everything we measure, but we can't measure everything we hear. Let your ears be your guide."

    Dealer for: Audio Research, Aurender, AudioQuest Cables & Power Products, Avantgarde Acoustics, Avid HiFi, Ayre Acoustics, Berkeley Audio Design, Bowers & Wilkins (B&W), Bryston, Chord, Constellation Audio, FirstWatt, Focal Headphones, Furutech, Fyne Audio Loudspeakers, GigaFoil, Gryphon Audio, Harbeth Loudspeakers, Hegel, iFi Audio, ISO Acoustics, JL Audio, Keces Power Supplies, KL Audio Record Cleaning Machines, Lumin, Luxman, Magico Loudspeakers, MBL Speakers & Electronics, MIT Cables, MSB Technologies, Naim Audio, Ortofon, Pass Labs, PS Audio, Quadraspire, Rega Turntables, Roon Labs, Shunyata Research, SRA, Stein Music Products, Stillpoints, T+A Electronics, VAC, Vicoustics, Viva Audio, VPI Industries.

    https://suncoastaudio.com/
    Phone: 941-932-0282
    Facebook: https://www.facebook.com/Suncoast-Au...1105178279194/

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  11. #37
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    Re: m1 mono

    Quote Originally Posted by Mike View Post
    Agreed. However, I would like to hear the amps with the feedback setting he was using. It might be a whole different ballgame.
    Hi Mike,

    Michael Fremer used Ralph Sorrentino’s suggested feedback settings, so I would suspect you’ve already listened to the M1.1’s optimal feedback settings at the audio shows.

    “I consulted with CH’s American representative Ralph Sorrentino, and we chose monaural configuration.....and we began with 20% global feedback. I found that more than 20% global feedback made the bass sound overly tight and constricted somewhat the musical flow of my system; less than 20% feedback pushed the sound beyond liquid, into a place that bordered on being soggy: Sorrentino’s suggested 20% feedback proved ideal.”

    Ken
    "No summit worth climbing is easily attained."
    --------------------------------------------
    Source: MSB Select II DAC with
    Two Mono Powerbases, Femto 33 Clock,
    Renderer V2 and Roon Nucleus Plus
    Amps: Vandersteen M7-HPA Mono Amps
    Speakers: Vandersteen Model 7 Mk2
    Power: AudioQuest Niagara 7000

  12. #38
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    Re: m1 mono

    Yes, most I know would reverse those comments as well. Curious review
    Brinkmann Bardo w/ 47 Labs MC Bee cart, MSB Premier DAC --> Music First Baby Reference v2 --> Audio Research Ref 75SE --> DeVore Fidelity Gibbon X

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