Discussion: Mid-Fi DAC/Amp Comb Units (Grace, Schiit, iFi, LH, JDS, etc.)

Discussion in 'Headphone Amplifiers and Combo (DAC/Amp) Units' started by Will, Oct 30, 2015.

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  1. Thad E Ginathom

    Thad E Ginathom Friend

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    Something you put n the shelf and show off to visitors :sail:.

    But, I suspect that it is one of those things that those of us who have little better to do than sit in front of the internet will acquire faster than those who make just a few useful posts :oops: :oops:
     
  2. AustinValentine

    AustinValentine Friend

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    JMRC 20/21 for Mac has working Crossfeed now - and it's pretty damn good!

    Ever since JRMC made the move over to a combined Master License that covers Windows and Mac with the same key, it seems like they've been paying more attention to their Mac software. It's really solid now.
     
  3. rott

    rott Secretly hates other millenials - Friend

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    It would be helpful to know in cases where the manufacturer specifies or mentions that their amp/DAC is either voiced by or is more or less designed to pair well with particular headphones. If I remember correctly, @Tyll Hertsens (or Headroom on their website) stated that they used the HD650 when designing their amps. In an email exchange with David Maudlin of Cypher Labs, he mentioned that the Theorem specifically matched up well with Audeze orthos.

    Not knowing much about measurement science, is the HD650 considered a neutral-enough control headphone to make evaluations considering its high impedance?
     
    Last edited: Nov 3, 2015
  4. mickeyvortex

    mickeyvortex Friend

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    IIRC, Grace designs used Meier Audio's cross-feed tech. Is that the same case here as well?
    Meier says that having cross-feed reduces listener fatigue. Would this correlate with the warmer sound then?
     
  5. purr1n

    purr1n Desire for betterer is endless.

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    I suspect I know why. The Grace m9XX is warmer sounding with less distinct bass textures, a more delicate treble, and less crisp sound compared to the other units. (The less distinct or blurry bass was something my wife picked up early on. She requested going back and forth from the Grace and the other units to confirm this. I don't want to make too much of a big deal about this, as the iFi Nano's bass quality is worse.) In terms of the HD650 and HE-400S, they are both warmish sounding headphones with smooth mids, so perhaps less synergy between the Grace and these headphones from that reviewer's POV. The HE-400i is a bit more incisive, so perhaps a better match with the Grace m9XX.

    Personally, I didn't have any synergy issues with the HD650 (modded) or any other headphone (HD800z28, MA100, HE-560) with the Grace. The Grace did a fine job with all of them. However, all of these headphones simply performed better on the GOV2 or Schiit Uber stack. I am still waiting for the JDS Element.

    What @JewBear said. Modi 2 Uber is same as Modi 2, but with more inputs. Now that I've had more quality time with the Magni 2 Uber and Magni 2, I'd say the Magni 2 Uber is better. There is noticeable difference from Magni 2. More clarity, less haze, more lively and exact. The circuits are slightly different and the Magni 2 Uber has a little bit more power.

    Hard to say. If I was travelling internationally (which I do), I can see myself grabbing the m9XX and putting in the bag with my laptop. The superior sounding and measuring Geek Out V2 Infinity is also $500. However, I do have slight reservations about recommending the GOV2 given stories of the casework recalls and wait times; although it's my understanding that LH Labs has delivered on time with the GOV2. I personally have never had any issues with LH Labs.

    In a nutshell, I wouldn't hesitate recommending the m9XX for the price with the caveat that there may be better sounding options depending upon one's intended use or tolerance for waiting. I'd like to get the JDS Element in and finish the complete set of spider charts for each amp before making any sweeping conclusions.
     
    Last edited: Nov 3, 2015
  6. Kwangsun

    Kwangsun New

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    Have you had a chance to compare the m9xx to a ifi idsd micro? Quite a lot of positive reviews and it's also the same price with lots of features.
     
  7. JakiCHan

    JakiCHan New

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    I'd been sitting on a plan to get a Schiit M2U stack for a while. Mostly for here at work, and maybe for at home (where the way it works with speakers would be cool). At work I'd be listening at ATH-M50s or K553s. At home K702s probably. Then the m9xx showed up and I have been tempted. The drop closes in 2 days so I have to make up my mind.

    The testing data we've seen plus the subjective observations implies that on pure performance I might like the Schiit stack better, plus it is $200 cheaper. But the m9xx is "simpler" (being all in one) and certainly more portable.

    Given that there's no going back if I buy the m9xx I'm wondering if there is anything else to consider? I'm mostly listening to closed-back headphones at work with streamed audio (320kbps di.fm streams, usually) or what's on my phone, so I'm wondering if either would be overkill, etc.
     
  8. imackler

    imackler Key Lime Pie Infected Aberdeen Wings Spy

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    Based on simplicity alone, why not a Geek Out V2 for both work and home? Portable and plenty of power...
     
  9. burnspbesq

    burnspbesq Friend

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    Resonessence products get no love here, but the Concero HP should certainly be in this conversation.
     
  10. JakiCHan

    JakiCHan New

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    Can't hook speakers to it easily. I liked the idea of this on the desktop and being able to switch between speakers and headphones.
     
  11. purr1n

    purr1n Desire for betterer is endless.

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    Yes, that functionality of the m9XX should not be discounted. There are two headphone jacks. One headphone jack when plugged in disables the speakers. The Geek Out V2 because of its small form factor (lends itself well for travel) is not a good platform for dual headphone / desktop speaker preamp use. We can use a USB extension cable with the GOV2 so that it doesn't directly attach to a USB port of a computer; but not having a external volume knob and dedicated RCA line outs makes it inconvenient as a preamp for a desktop speaker.

    No chance on the micro. Someone will need to send it to me.
     
  12. purr1n

    purr1n Desire for betterer is endless.

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    I have some purely subjective sonic comparisons done and I will post them earlier than planned. Will still need to update with JDS at a later time. This comparison can always been ongoing. Give me a few hours to post what I have so far. I got kind of sick, I can't find my phones, and I think my brain is slightly damaged right now.

    P.S. I am not picking on the Grace m9XX, it's a good piece of gear with some great intangible qualities; but there's never any need to rush because a shiny new product shows up and the offer will be gone in two days.

    SBAF Rules of Acquisition:
    1. The offer will always come up again, sometimes at a better price.
    2. There will always be something better.
    3. Patience young Jedi.
    4. Don't get over-excited from Head-Fi Jude's announcements.
     
    Last edited: Nov 4, 2015
  13. CheFiga

    CheFiga New

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    Damn...it's a good thing I read these rules since I was about to purchase a new Orpheus after I watched Jude's HE1060 video.

    I suppose I can wait and see if I can pick one up used in the for sale forum.
     
  14. JakiCHan

    JakiCHan New

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    I get that, but I can also sit here and buy nothing because something better is always around the corner. I would never buy a computer because it's already obsolete by the time it gets to the store. This seems like a good option, and could fulfill a need for me. I don't want to make a huge mistake, but the risk seems kind of low - I'm just looking for things I may not have considered yet.
     
  15. purr1n

    purr1n Desire for betterer is endless.

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    I'd say your options are the Schiit Uber stack or the Grace. Both are good sounding units with preamp outs. The Schiit uber stack sounds quite a bit better to my ears and my wife's ears. The Grace has a better enclosure, superior volume control, a nice display, and less "wires" (as my wife says) to deal with. If tonality is important, the Grace is warmer and more delicate in the treble. The Schiit is more dynamic and resolving with more distinct bass and deeper more open stage.

    Sorry I haven't posted the details of the subjective impressions yet. I got sick.
     
    Last edited: Nov 5, 2015
  16. jexby

    jexby Posole Prince

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    well my iFi micro iDSD isn't selling on CA. (trying to pay down HE1K)
    if demand dictates,
    guess I could pull the ad down and send it to Marv for measuring? or offer sale to the SBAF gear pool if folks want it around for touring....
     
  17. joch

    joch Friend

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    What about the Leckerton for simplicity and portability and price? And the ability to roll opamps.
     
  18. purr1n

    purr1n Desire for betterer is endless.

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    The Leckerton's built-in DAC isn't competitive. Also want to limit the comparison. Doing a lot of 1v1 to get subjective impressions right, so lots of work. Adding more gear at this point will significantly increase work. Limiting scope of work increases success, quality, and deliverability.
     
  19. spoony

    spoony Spooky

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    Thanks, purrin, it's greatly appreciated.
     
  20. purr1n

    purr1n Desire for betterer is endless.

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