Schiit Mjolnir 3 Impressions

Discussion in 'Headphone Amplifiers and Combo (DAC/Amp) Units' started by ColtMrFire, Aug 18, 2023.

  1. Baten

    Baten Friend

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    As far as measurements go that is some beautiful spectra.

    Thanks purr1n
     
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  2. rlow

    rlow A happy woofer

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    Any impressions of Mj3 as a preamp? Are the pre-outs mainly just a convenience thing like Schiit’s other headamps? Or something a bit better than that?
     
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    Last edited: Sep 5, 2023
  3. purr1n

    purr1n Desire for betterer is endless.

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    Jason will bring lots of stuff to small meets. The gear will usually be at different stages of development. Sometimes stuff he brings gets canned because it wasn't good enough. There was a Jot sized Nexus with traditional output stage amp brought to a small meet in CA a few years ago. That got canned. One thing I've learned over time is that the final product will always sound better depending where it is in the dev lifecycle, or if it's a new new product (or the product will never make it to production).

    My guess is the Mjolnir 3 we heard was about here (in green). It was actually still the first PCB with the parts populated by hand
    upload_2023-9-5_13-42-39.png

    Jason took a trip to California. I assume he locked himself away, furiously working on Mjolnir 3 and Kara, which caught everybody by surprise. I was expecting to hear future closer to production iterations.
     
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    Last edited: Sep 5, 2023
  4. schiit

    schiit SchiitHead

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    If you refer to pre-outs that are exactly the same gain stage as the rest of the product, not compromised or changed in any way, except for the addition of 75 ohm resistors as "convenience," then yes, they are "convenience."
    Pretty close to the overall plan. Lots of 0.8 and 0.9 (hell I did a 0.8 over the long weekend and thought of two more), some go to shows if promising. The MJ3s at previous shows were exceptionally limited due to chokes with too low inductance (by a factor of 8), and they weren't at full bias in case the shows were warm. Also early functional issues. We can sometimes get a 1.00 production run. Sometimes it's more like 1.12. And sometimes it's stuck in 0.991, 0.992, 0.998, 0.9995. Those are less fun.
     
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  5. rlow

    rlow A happy woofer

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    Let me ask another way then - does the gain stage in Mj3 lend itself to improving performance through the pre-outs relative to the other headamps in your lineup? Does it get us closER to a dedicated preamp performance, or we still need a separate preamp to achieve something like that? Trying to ascertain whether Mj3 would be “good enough” to not have to have another box to feed my power amp/powered speakers.
     
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  6. schiit

    schiit SchiitHead

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    There is no magic to a dedicated preamp. It's literally a headphone amp, maybe a bit weaker, maybe running less current. All preamps run in Class A, unless maybe it's a (bad) IC design.

    Mjolnir 3 is a different topology than our other headphone amp products (its closest to the Freya+ buffer), but there is no "dedicated preamp" magic--not with anything we do.
     
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  7. artur9

    artur9 Facebook Friend

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    !

    Maybe Keanu Reeves could successfully reboot it? He's part Chinese...
     
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  8. caute

    caute Lana Del Gayer than you

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    Hawaiian mostly, but ya small percentage Chinese, his dad was a real hapa (the word is a calque into Hawaiian meaning "half"), meaning part something (usu Euro, but could be anything, really—just tends to shake out that way) and part Asian—or could be more accurately called a Eurasian, as he is also Portuguese and Bri'ish.

    His momma is a blonde. So Keanu is like, p much a white guy, to us—barely even a quapa (1/4 Azn).
     
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  9. artur9

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    Would it be fair to conclude, given the above measurements, that MJ3 really loves low impedance headphones?
     
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  10. ecline56

    ecline56 Almost "Made"

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    If I were going to design an all out TOTL solid state amp. I would end up with the Mjolnir 3.

    This amp has it all. Full Class A, discrete output stage. High voltage input stage. Dual mono choke power supply. Zero feedack / feedback option. Single ended or push/pull. Every base is covered. I rarely buy anything this expensive but this amp has tempted me numerous times already.

    Well done Schitt Audio!
     
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  11. rfernand

    rfernand Almost "Made"

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    7y5o2a.jpg
     
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  12. Slade01

    Slade01 Almost "Made"

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    They did a continuation of the series, a psudo reboot already called Kung-Fu, The Legend Continues. David Carradine plays the grandson of the Kwai Chang Caine from the original, coincidentally, he is named the same - adventures just set in modern, urban times. But I guess there is continuity in the family resemblance doing it this way.




    For the price, it seems the MJ3 is an incredible value. The multiple mode options this amp can do seems like a no brainer for those constantly switching out other components in their chain - seems very versatile in nature. I'd be all over this, if the Lyr+ wasn't way more than enough for my humble headphones.
     
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  13. Azimuth

    Azimuth FKA rtaylor76, Friend

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    So are we saying that MJ3 is Kwai Chang Caine just humbly walking the earth?

    I mean, it does everything the old school way in a small discrete package. Does it not have some Kung Fu moves in a very effortless way?
     
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  14. purr1n

    purr1n Desire for betterer is endless.

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    Per the measurements, I don't see any issues with the MJ3 driving low impedance headphones from Grado (noise concerns) to HE6SE provided one listens to music at 105db SPL or below.
     
  15. rfernand

    rfernand Almost "Made"

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    Does that make Jot a little grasshopper?
     
  16. M3NTAL

    M3NTAL Friend

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    If it is the Kwai Chang Caine - I hope the included electrical cable is long enough to hang in my closet.
     
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  17. zonto

    zonto Friend

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    First Mjolnir 3 casualty it looks like, reported on Head-Fi: https://www.head-fi.org/threads/schiit-mjolnir-3-impressions-thread.969416/page-17#post-17721897.

     
  18. JK47

    JK47 Friend

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    At what hour of burn in do the angels start to sing? Bought to try with Modded Fostex T_-RP...
     
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  19. purr1n

    purr1n Desire for betterer is endless.

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    It's like tube amps. Give it a few minutes, maybe 15. One hour later is twilight zone. Give it a few days or two (at most) with normal use for "burn in". Not really even sure if burn in is needed.
     
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  20. earnmyturns

    earnmyturns Smartest friend

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    I think it needs some burn in. First listen, 30 minutes or so after initial switch on, was muddled and raw (HQplayer>May>MJ3>Caldera). Two hours later, tightened some. Drums starting to gain transient edge and presence, piano and double bass sounding more separated and natural. Macrodynamics are convincing. I can already hear that it will may a tad darker and grittier than Oor, but showing a promising character. Really liking double bass string separation and resonances, although maybe slightly over the top. Listening to one of my favorite recent albums, Russ Lossing's "Alternate Side Parking Music" which (not surprising given the title) is all for grit, instrument materiality, and NY traffic dynamics; I suspect one of the best albums in my collection to show off MJ3. Horns still slightly mushy. But the double bass!
     

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