Schiit Jotunheim Review / Preview - Head-Fi TV
Sep 2, 2016 at 10:25 PM Post #466 of 6,468
It's a shame that the Jotunheim supports balanced in/out but the DAC isn't multibit. The only balanced multibit DACs in Schiit's lineup are the Gunginir and Yggdrasil. I have the Yggy beside of me, but if I could have paired up a multibit DAC with the Jotunheim for under $1k I would have instantly bought it (for traveling/work/etc.). The only way I could see them hitting that pricepoint thought is if it's possible to convert the Modi Multibit to balanced in/out (that or somehow make a multibit expansion card for the Jotunheim). I guess I'll hold out and see what Schiit does in the coming months. 
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Sep 2, 2016 at 10:58 PM Post #467 of 6,468
Now that I’ve had a few hours with the Jotunheim, here are few (strictly unprofessional) observations.
 
Overall, I love it so far. It has surpassed my expectations.
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I’m using it with a Bimby to Emotive Airmotiv 5S powered monitors (with Rythmik sub) in my home computer rig. Also HD800S, TH-X00 PH, and JHA Angie custom headphones.
 
Some early notes:
 
  1. Overall, the Jot seems very neutral in presentation. Though, if you’re very picky (after all, you are on this forum), some might consider this a slight bit ‘forward’ in presentation. IMO, this is a benefit, not a detraction.
  2. Switching the gain will produce VERY slight “pops” in the balanced pre-amp out and the SE headphone out. Absolutely no pops over balanced HP output.
  3. Jeez, this has gobs of power!!! With the 800S, my limit is about 9 o’clock for pop/rock; 11 with (very high dynamic range) classic music. If nothing else, the HP amy does NOT suffer from lack of power!
  4. This definitely “punches above it’s weight.” The overall value is better than most Schiit products (with the possible exception of the Mimby), which is very impressive — considering their track record!! 
  5. The Jot has amazing flexibility! It bridges the chasm of Single Ended and Balance, both as a pre-amp and an hp amp. It is a most-welcomed addition to my home rig. 
  6. At $499 (USD), this is an great entry point for someone getting in to a computer DAC/amp. While the internal DAC is not up to par with a multi-bit, it is absolutely no slouch. Later on, it is very easy to add an external DAC, either SE or balanced. For example, I have a Gumby in my HT system. When I replace it (eventually…), I can just move the Gumby over to my computer. 
  7. When using the Angies at low gain, there is a VERY slight lean to the right side (audio-wise) when I first bring up the volume. But that quickly evens out. This is insignificant IMO (esp. considering the price of the Jot).
  8. When placed on top of a Bimby, it does get a bit warm. It is not hot to the touch. Definitely not as hot as an Asgard, but warmer than the Bimby.
 
Sep 3, 2016 at 12:21 AM Post #468 of 6,468
  It's a shame that the Jotunheim supports balanced in/out but the DAC isn't multibit. The only balanced multibit DACs in Schiit's lineup are the Gunginir and Yggdrasil. I have the Yggy beside of me, but if I could have paired up a multibit DAC with the Jotunheim for under $1k I would have instantly bought it (for traveling/work/etc.). The only way I could see them hitting that pricepoint thought is if it's possible to convert the Modi Multibit to balanced in/out (that or somehow make a multibit expansion card for the Jotunheim). I guess I'll hold out and see what Schiit does in the coming months. 
beerchug.gif
 


1.  Can't fit multibit balanced in Bimby, (much less a Jodie) without resorting to pony trick balance in analog domain only sizzle.  Nope.
 
2.  Can't fit SE MB even in Jodie without hanging the card an inch or so out the top, with a wall wart socket (on top), which will make the Jodie almost as ugly as our threatened Cthulhu.  Weeeeeeeeeeeeeeeeeellllllll, in order to do so, we would have to port all of our DSP burrito code over to some low-powered ARM.  Not likely, with the five other frisbees I have spinning on sticks at the moment. 
 
If you hold your breath, unfortunately you will turn blue.
 
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Sep 3, 2016 at 12:42 AM Post #469 of 6,468
Got my Jot today and love it. I bought it as a secondary amp to my Rag and paired it balanced with my Oppo BDP-105D. For now I'm mainly using it for movie watching and bedside listening - the task of my former Vali2. I liked the Vali2. Super neutral, clear and pairs well with all of my headphones (HE560, HD650, TH-X00 and LCD3F). The Jot takes that sound and irons it out with better linearity, greater extension and improved detail and soundstage. It retains some of the smoothness of the Vali2 and I even detect a slight midbass emphasis like the Vali2. Impressive for $400 and very likely worth 2-3 times that. Not quite on the same level as the Rag (which has cleaner bass, more extension and even better resolution) but close. Like a little brother pretending to be his big brother. But being little is okay too...


As for the DAC section, "pinch hitter" is a great description. It's not gonna win any awards. I even prefer the Oppo BDP-105D USB DAC (Sabre 9018) over the Jot. But it's nice to have in a pinch.
 
Sep 3, 2016 at 12:56 AM Post #470 of 6,468
Got my Jot today and love it. I bought it as a secondary amp to my Rag and paired it balanced with my Oppo BDP-105D. For now I'm mainly using it for movie watching and bedside listening - the task of my former Vali2. I liked the Vali2. Super neutral, clear and pairs well with all of my headphones (HE560, HD650, TH-X00 and LCD3F). The Jot takes that sound and irons it out with better linearity, greater extension and improved detail and soundstage. It retains some of the smoothness of the Vali2 and I even detect a slight midbass emphasis like the Vali2. Impressive for $400 and very likely worth 2-3 times that. Not quite on the same level as the Rag (which has cleaner bass, more extension and even better resolution) but close. Like a little brother pretending to be his big brother. But being little is okay too...


As for the DAC section, "pinch hitter" is a great description. It's not gonna win any awards. I even prefer the Oppo BDP-105D USB DAC (Sabre 9018) over the Jot. But it's nice to have in a pinch.


Thanks for the impressions. What do you mean by linearity?
 
Sep 3, 2016 at 4:53 AM Post #472 of 6,468
  It's a shame that the Jotunheim supports balanced in/out but the DAC isn't multibit. The only balanced multibit DACs in Schiit's lineup are the Gunginir and Yggdrasil. I have the Yggy beside of me, but if I could have paired up a multibit DAC with the Jotunheim for under $1k I would have instantly bought it (for traveling/work/etc.). The only way I could see them hitting that pricepoint thought is if it's possible to convert the Modi Multibit to balanced in/out (that or somehow make a multibit expansion card for the Jotunheim). I guess I'll hold out and see what Schiit does in the coming months. 
beerchug.gif
 

 
Bifrost Multibit $599 
Juggle thru model -> http://schiit.com/products/bifrost
https://www.youtube.com/watch?v=xBlADcpbxbg
 

 
 
not mine...but they go together...
 

 
Sep 3, 2016 at 5:25 AM Post #473 of 6,468
Sep 3, 2016 at 6:00 AM Post #474 of 6,468
 
There is no DSD functionality on the Jotunheim DAC board.  There will be no DSD functionality added to any Schiit product for the foreseeable future.  Jason and Mike have said more times than I can count that we won't be pursuing DSD.  Why would we pursue a dying standard when Mike, Jason, and Dave can utilize their time building better DACs and amps that take advantage of their years of collective experience.  If Sony truly supported DSD, they would have spent the millions to open their vaults and convert a massive music catalog.  Why would we support this standard when the company that created the standard won't even support it?


There is a conspiracy theory circling around the Internet that Sony will never release the DSD records out of fear that the combined scream of all diehard DSD fans will put Earth out of its orbit.
 
Sep 3, 2016 at 8:38 AM Post #478 of 6,468
HEy everyone, any background hiss with IEMs or sensetive cans with jotunheim?


With Single Ended Input I don't notice any. I haven't tried the balanced input yet.
 
Sep 3, 2016 at 8:59 AM Post #479 of 6,468
  HEy everyone, any background hiss with IEMs or sensetive cans with jotunheim?

 
With my FitEar MH334 custom-fit, using its DAC module as source (which would the same as using the balanced input), plugging into the Jotunheim reveals a barely detectable self-noise from the amp--I mean barely there, and low enough to be lost in recorded room noise.
 
With the other IEMs I've tried with it so far (again, from its DAC module as source), it's silent for me.
 
If I try another IEM that can reveal more self-noise than the MH334 custom, I'll let you know.
 
Sep 3, 2016 at 9:08 AM Post #480 of 6,468
   
With my FitEar MH334 custom-fit, using its DAC module as source (which would the same as using the balanced input), plugging into the Jotunheim reveals a barely detectable self-noise from the amp--I mean barely there, and low enough to be lost in recorded room noise.

Adding to this: I tried Dunu Titan 3 / DN1000 and there was zero noise. Moving into volume levels that would cause hearing damage with IEM (about 2/3 in), I could hear the "barely detectable self-noise from the amp". It is just that, extremely low Db noise, appearing at a volume you'd never listen to anyway.
 

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