New owner of a Unity Core

Hi @all!

I received my new Unity Core this Saturday and gave away my HDX (2 TB) in payment.
I had my HDX connected to the NAIM DAC. The dealer told me that I will be blown away by how awesome the Core will sound through the NAIM DAC.

And yes. The Core sounds absolutely fabulous...right out of the box. Incredible presentation of the music...it is as if I can "look" into the music. Stunning.

I fitted the Core with a Seagate Iron Wolf 8 TB harddisk and started to migrate my music onto it. Everything perfect so far, several hundred GBs in... :-D

Since the Core is right in our living room, it is not very comfortable to hear the constant "work" of the Seagate within the Core.

I then found out this advice within the nice NAIM support "tool" for the Core:

"Deep Sleep — To put the Uniti Core in to Deep Sleep Mode, press and hold the Power button for 3 seconds."

This is for us the perfect solution, since our prefered audio replay is vinyl and we stream music maybe once a day...or even not everyday...

So, my question would be if it is "harmful" for either the Core or the harddisk to wake them up maybe once a day (or even every other day) and put them into Deep Sleep mode again for some time (maybe 1-2-3 days). Will this Deep Sleep mode cause any damage if performed like I mentioned above?

Since NAIM gives the Deep Sleep option, I think it should be ok to use the Core like we would prefer.

Any ideas?

Congratulations, NAIM, again. The Core really sounds wonderful (through the NAIM DAC).

All the best

Thorsten

Original Post

Dear David!

Thank you for taking your time to answer.

A friend of mine does server and NAS installations and he recommended the Seagate Iron Wolf series. He told me that these harddisks should be able to endure such a process (deep sleep/ wake up).

Being unable to perform the wake up with the app is no bother.

 

Hi Ralf!

Honestly, I don´t know. But in my humble ears, the Core as a streamer sounds absolutely stellar...more "coherent"...more "real"...

The HDX/nDAC combo was very good...but what can I say...I prefer the presentation of the Core/nDAC more.

Very subjective, as always. The HDX was in my ears sometimes a bit "harsh"/ "edgy"/ "fatiguing"...but with new combo, I heard some things in some songs I never noticed before...more details, more "warm"/ "analogue".

And: I didn´t NEED to give my HDX away...so I am not talking it "nice"...

Yesterday I listened to an excellent vinyl rip of "Black Sabbath - Vol 4 [UK Swirl]" and I was really astonished by the fantastic music I heard coming from my system.

I just didn´t know about the Deep Sleep mode. Without it, the harddisk annoyed me quite a bit in our living room.
But with Deep Sleep, all is great.

I honestly never understood WHY the HDX is so expensive...I bought mine used and in exchange for a ND5XS.

@sjbabbey

Thank you.

I have a Core and am using a SSD, 2 TB.  Other than the sound it makes during ripping, the Core is silent.  I have it connected to a Dave DAC with a Siltech Golden Eagle digital cable, then into my 272 with an SL RCA to DIN cable.  It sounds great.  My only regret is not buying a larger SSD.

I am also a Core owner,and very happy with it.Myself,I went with a Samsung EVO SSD 850 EVO 1 Terabyte drive.This holds my CD rips only,and I have a 3 Terabyte WD exrenal hard drive plugged into the rear USB port,this holds all my downloads...nice and quiet combo.

No quarter posted:

"I have a 3 Terabyte WD exrenal hard drive plugged into the rear USB port,this holds all my downloads...nice and quiet combo."

Cool solution...

So you configured the external drive as a musicstore? 

Does the Core have to index that external harddisk everytime you power it on? Or is it "ready-to-read-from" when you power it on?
I guess that the external USB drive is not powered on all the time...right?

Thank you.

You should always configure a second disc as a music share not a store. There should be one music store and that is where the Core stores its own rips. Normally that would be the internal disc.

I don't think the Core does index a music share. But anyway from my own experience it all shows up fast in the app and you don't have to have it do it all over again when you wake the Core from deep sleep, or from fully off and unplugged even, come to that.

best

David

Thorsten_L posted:
No quarter posted:

"I have a 3 Terabyte WD exrenal hard drive plugged into the rear USB port,this holds all my downloads...nice and quiet combo."

Cool solution...

So you configured the external drive as a musicstore? 

Does the Core have to index that external harddisk everytime you power it on? Or is it "ready-to-read-from" when you power it on?
I guess that the external USB drive is not powered on all the time...right?

Thank you.

David pretty much answered your question,but I will add that I leave my Core powered on all the time,since I use SSD it is silent,and all my Naim gear is powered up 24/7.David,I was just informed by my dealer that my Superlumina Din to XLR and speaker cables are in,so I pick them up next weekend...I will let the forum know my thoughts for sure.

Hi David - with regard to the SL DIN to XLR cable, I too was a little skeptical.  I was debating whether or not I wanted to go ahead with it, but my dealer went ahead and ordered it for me anyway. So, I ended up buying the cable.  I can’t recall exactly how much I paid for it, but I believe the price came to around $4k (CDN).  Was the expense worth it?  I’d say yes.  Believe it or not, some cables do make a difference with regard to sound quality.

Thorsten_L posted:

Thank you.

So, the external USB drive is appearing quite quickly in the app, ready to be played?

Yes the external USB drive is always powered by the Core,and everything on it is indexed together with what is on the internal SSD,so I have instant access to ALL my music.I also tried playing the same CD ripped to the SSD,compared to the CD ripped to the external drive,and I could not hear a difference,so it all integrates together and sounds the same as if it were all on the SSD ...IMO.

No quarter posted:
Thorsten_L posted:

Thank you.

So, the external USB drive is appearing quite quickly in the app, ready to be played?

Yes the external USB drive is always powered by the Core

Sorry if I may seem dumb, but are those external harddrives "able" to be powered on permanently without a separate power supply? 

He means they are powered on via the USB socket when the Core is on and not in deep sleep.

Anyway when you wake the Core, the USB will be powered on and you will be able to access music via the Naim app without any undue delay (no reindexing required or anything like that).

best

David

David Hendon posted:

He means they are powered on via the USB socket when the Core is on and not in deep sleep.

Anyway when you wake the Core, the USB will be powered on and you will be able to access music via the Naim app without any undue delay (no reindexing required or anything like that).

best

David

Thank you, David.

But I thought that he has the Core powered on 24/7 (no deep sleep). That would mean the external USB drive would also be on 24/7. Are they built for that?

Sorry.

Thorsten_L posted:

 

I honestly never understood WHY the HDX is so expensive...I bought mine used and in exchange for a ND5XS.

 

Well, the HDX has functions not found on the Core.  There is the display screen with touch capability, and the analogue output section.  In my experience, the digital output on the HDX is excellent, not so much the analogue, so like you I use my HDX with an external nDAC.  HiFi Critic had some reservations about SQ of the Core, but I too will eventually move on from my HDX.

Thorsten_L posted:
David Hendon posted:

He means they are powered on via the USB socket when the Core is on and not in deep sleep.

Anyway when you wake the Core, the USB will be powered on and you will be able to access music via the Naim app without any undue delay (no reindexing required or anything like that).

best

David

Thank you, David.

But I thought that he has the Core powered on 24/7 (no deep sleep). That would mean the external USB drive would also be on 24/7. Are they built for that?

Sorry.

I think with a USB HD, although it would be powered constantly it wouldn't spin constantly. To have the internal disc spin all the time is a Naim design decision.

best

David

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