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GIESELER Groß DAC official release

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@Suopermanni I was going to buy one but a new pre-pro is next on the list.  

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A new Grob owner.  It replaced a Cayin DAC (Valve/SS), and I also have an ARCAM-II DAC II, both quite good DACS, at least to my listening.  Very pleased with the Grob  ..  been running a couple of weeks now, great detail and I can hear little nuances in recordings I haven't heard before.  I listen to quite a range of material, from Tidal and FLACs I have rendered from my CD's.  Beautiful rendering of vocals, good separation and detail.

 

Clay was fantastic to deal with, great communication along the process.  Definitely great to support an Aussie builder of his technical capability.  Quality looking and sounding product.

 

Laptop->Grob->Ayon Auris->Bryston 4bsst->Dynaudio C2 Platniums

2018-03-24 12.40.07.jpg

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For me the real magic started when I set JRIVER to up sample PCM to 2x Native DSD ;)

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42 minutes ago, MattyW said:

For me the real magic started when I set JRIVER to up sample PCM to 2x Native DSD ;)

I love the Groß for its native DSD playback. However, found little, if no improvement when I compared some upsampled 44.1/16 PCM to DSD 128 files to the originals.

 

Currently, NAS connected directly (no router) to SMS-200. SMS-200 connected using ISO Regen to Groß. Using MPD server & MPDroid software player.

 

To upsample, will need to add a PC and a router (probably needs a LPS) to the audio chain.  This added complexity, plus lack of AQ  improvement has led me to not upsample.

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Posted (edited)
2 hours ago, Snoopy8 said:

I love the Groß for its native DSD playback. However, found little, if no improvement when I compared some upsampled 44.1/16 PCM to DSD 128 files to the originals.

 

Currently, NAS connected directly (no router) to SMS-200. SMS-200 connected using ISO Regen to Groß. Using MPD server & MPDroid software player.

 

To upsample, will need to add a PC and a router (probably needs a LPS) to the audio chain.  This added complexity, plus lack of AQ  improvement has led me to not upsample.

It's more with 192k sampled 32 bit float vinyl rips where I see improvement. I can't tell the difference from the original vinyl ;)

 

Course,  the file size is kind of ginormous. Eric Clapton Unplugged was about 5gb for both sides.

Edited by MattyW

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Not sure if this has been mentioned before but does the GroB DAC take any power from the USB port to work?

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Posted (edited)

No - the Amanero USB board is powered internally in the DAC from a dedicated ultra low noise  PSU.

 

Edited by Gieseler Audio

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Oh okay, that might explain why it's still running and sounding a bit better when I disabled USB power from certain usb ports out of my motherboard. Apparently doable on a Gigabyte Aorus Gaming 7. 

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Not sure if this is the right thread to post in but thought I was overdue sharing my opinion on Clays Groß dac. 

I have the USB only version, my source is a  Sotm SMS200 Ultra.

At the moment I am running balanced xlr from dac to Accuphase E470 as a pre to a pair of ATC SCM100ASL loudspeakers.

I have compared the Groß to the Klein II, Chord 2qute and Accuphase Dac50 and the Groß has the edge over all of them imo.

Better bass control, improved clarity, extremely musical and a natural tone that is engaging and enjoyable to listen to for hours on end with all genres of music.

It plays all sample rates with ease without pops or glitches on Linux or windows systems.

I won’t hesitate in recommending anyone who is in the market for a great value Aussie made dac to try one out for yourself.

Big thanks Clay!

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7 hours ago, Suopermanni said:

Hey guys, what filters out of the ones in the GroB Dac do you like? Mostly stuck with the Low Dispersion one.

Previously low dispersion short delay, now using short delay, slow roll-off.

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