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44 minutes ago, Toni-Mang said:

beside the transformer plugs.

I was going to remove those metal transformer bolts, but with a 6MM allen, I think, they are really on there, they probably used an aggressive loc-tite on them.  I applied some decent force and they would not budge, so I left them on.

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13 minutes ago, Quadman said:

I was going to remove those metal transformer bolts, but with a 6MM allen, I think, they are really on there, they probably used an aggressive loc-tite on them.  I applied some decent force and they would not budge, so I left them on.

If they are secured with loctite, applying a little heat will loosen them up.  This can be easily done with a soldering iron.

SO/ROON/HQPe: DSD 256-Sonore opticalModuleDeluxe-Signature Rendu optical--Bricasti M3 DAC--DIY Purifi Amplifier-Focus Audio FS888-JL E 112 sub-Nordost Tyr USB, DIY EventHorizon AC cables, Iconoclast XLR & speaker cables, Synergistic Orange Fuses, Spacetime system clarifiers.                                                       

                                                                                           SONORE computer audio

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Well, after some listening to my Spring KTE I moved over to the May.

 

The good news:  with listening through the Singxer SU-1 USB-to-I2S (limited to 8fs)  the May's noise floor is considerably lower than the Spring KTE, making for easier, smoother musicality.  A no brainer.  However, as noted the SU-1 is limited to 8fs on my machine (unless I'm missing something).  I haven't listened much through this method cuz I then went on to....

 

The bad news:  I haven't been able to get my Windows 10 machine to see the May USB yet.  My Spring KTE had the most recent USB XMOS2 upgrade and I've been using, when listening straight to USB, the Holo v5.0.0 driver successfully.  Not with the May! ?  I even uninstalled, rebooted, reinstalled, rebooted.  Nothing.  My USB card is the Startech 4 port card (Asmedia 1142), powered by a JS-2, and although it might be a stumbling block for 32fs (don't know, anybody?) I just want it to shake hands with the May.  It's display shows 48k (so it sees the USB cable) but HQPlayer starts up with no device.  Any help is appreciated. 

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51 minutes ago, ted_b said:

My USB card is the Startech 4 port card (Asmedia 1142), powered by a JS-2, and although it might be a stumbling block for 32fs (don't know, anybody?) I just want it to shake hands with the May. 

Ted,  I seem to remember you saying your dac was a demo unit.  My guess is you have firmware 30.12 on it.  The Holo asio control panel will show you what firmware is on machine.  30.12 allows DSD1024 and PCM 1.4/1.5, But it has issues with non-intel USB ports.  So either move to regular USB port or flash firmware back to 30.14 and you should be good.  You loose 1024 and PCM 1.4/1.5 doing so.

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Well, since the Holo is not being seen, the Holo ASIO control panel (Holousbaudiocplapp.exe ) shows no devices.  I'm in a conundrum.  And I currently have no monitor (will set one up tmrw morn) as I only communicate to my server via TightVNC, which only works once the OS is up.  So I also can't get into the bios and turn on my mobo USB ports (we turned those off long ago) so no firmware updates until Windows 10 sees the dac.  I'll report back when I'm able...thx

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I shortcutted my issues by connecting to my nearby Win 7 desktop and ran the firmware upgrade to 30.14 for now, plugged back into my server and voila!  I have 16fs playback.  Will report back soon.  Thanks, Quadman, for the directive.


Edit: What a mess.  All music now sounds horrible, with pops and clicks constantly.  Yet since Windows sees the Holo (abeit poorly) I thought I'd immediately go back to 30.12 and revert back to the Singxer, starting over, but alas the firmware change to 30.12 didn't take (likley cuz it was plugged into problem USB card) so I rebooted and tried again...this time Windows doesn't see it.  I'm going to bed.

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Sorry for taking up a topic from another forum (hope it is ok!?). Its May dac related 😉

@GoldenOne and others. With your experience with the May dac, HQP and ROON I would like to ask a question:

Have you tried the May dac with a high quality dedicated ROON streamer (like a Innuos Zenith) and compared it to a PC or NAA device streaming HQP?

I have a Innuos Zenith Mk.3 and it was a significant improvement over my PC for ROON (sound quality and convenience)(and it fits nicely in to a HiFi rack 😉). I have been wondering if the sound improvement from the Zenith would compare with the improvements with HQP. My dream scenario would be that the Zenith could be a NAA device but I haven't found any information about that option.

It is not easy for me to make the comparison at the moment due to not having a PC anywhere near my May so any relevant experience would be greatly appreciated.

 

Goldenone.thumb.JPG.eda233d3a2f7282e56e0bb8fe8abc8da.JPG

Roon ROCK server (NUC10i7FNH) -> Etherregen (Powered by a Teddy Pardo PSU) -> Innuos Zenith Mk3 -> Tellurium Ultra Silver -> Holo Audio KTE May DAC -> Tellurium Ultra Black XLR ->STAX SRM-007II -> STAX SR-009.

Audio components all connected to a PS Audio PowerPlant 3 via Tellurium Black.

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Update: 

Note:  I have not gone into my Win 10 server's bios and turned on the mobo USB ports, so I am working with only my Asmedia 1142 USB card and my Singxer Su-1 I2S options.

USB card:  not identified when May is at 30.12 firmware.  When I update to 30.14 all music (PCM or DSD, whether Roon-served-to-HQP from another computer, or files drag-n-dropped locally into HQPlayer) has a popcorn machine running along side the music...i.e unlistenable.

SU-1 (into I2S 1 input):  sounds glorious, albeit 8fs only, from any or all sources, in any firmware.

 

So all I've been able to do so far is to reach a simple conclusion that the Holo May KTE, at 8fs, has a decidedly lower noise floor and smoother presentation than my Holo Spring KTE, also at 8fs.  I will compare DSD256 ASDM7EC presentations shortly......but this simple conclusion is nowhere near the entire reason I asked to demo the May.  I want to hear it output 16fs and 32fs, and so far no go.  :(

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7 minutes ago, ted_b said:

Update: 

Note:  I have not gone into my Win 10 server's bios and turned on the mobo USB ports, so I am working with only my Asmedia 1142 USB card and my Singxer Su-1 I2S options.

USB card:  not identified when May is at 30.12 firmware.  When I update to 30.14 all music (PCM or DSD, whether Roon-served-to-HQP from another computer, or files drag-n-dropped locally into HQPlayer) has a popcorn machine running along side the music...i.e unlistenable.

SU-1 (into I2S 1 input):  sounds glorious, albeit 8fs only, from any or all sources, in any firmware.

 

So all I've been able to do so far is to reach a simple conclusion that the Holo May KTE, at 8fs, has a decidedly lower noise floor and smoother presentation than my Holo Spring KTE, also at 8fs.  I will compare DSD256 ASDM7EC presentations shortly......but this simple conclusion is nowhere near the entire reason I asked to demo the May.  I want to hear it output 16fs and 32fs, and so far no go.  :(

Have you tried another source device or streamer? Would strongly recommend trying the mobo usb ports as that could likely be the issue. 

16x should work fine if on the 30.14 firmware. 30.12 is tricky with non-intel hardware (Amd pcs and third party usb cards etc) 

 

But would recommend trying the mobo ports regardless. 

 

7 hours ago, dkdali said:

Sorry for taking up a topic from another forum (hope it is ok!?). Its May dac related 😉

@GoldenOne and others. With your experience with the May dac, HQP and ROON I would like to ask a question:

Have you tried the May dac with a high quality dedicated ROON streamer (like a Innuos Zenith) and compared it to a PC or NAA device streaming HQP?

I have a Innuos Zenith Mk.3 and it was a significant improvement over my PC for ROON (sound quality and convenience)(and it fits nicely in to a HiFi rack 😉). I have been wondering if the sound improvement from the Zenith would compare with the improvements with HQP. My dream scenario would be that the Zenith could be a NAA device but I haven't found any information about that option.

It is not easy for me to make the comparison at the moment due to not having a PC anywhere near my May so any relevant experience would be greatly appreciated.

 

Goldenone.thumb.JPG.eda233d3a2f7282e56e0bb8fe8abc8da.JPG

I have tried a few sources. 

 

Interestingly the may was the first dac where I honestly could not tell the difference between most usb sources. The exception being my pc which was worse. 

 

I still use my sms200 ultra just because why not, might as well use the best source I've got right? But the may usb is phenomenal regardless of source. And I'd be quite happy with just a raspberry pi endpoint. 

 

On other dacs though the differences are more pronounced.

 

Clearly holo's usb implementation in the may is excellent. 

 

I also measured the jitter on it and the close in sidebands were below - 155dB, with wider random jitter all below -170dB. Absolutely crazy performance

https://youtube.com/goldensound

Roon -> HQPlayer -> SMS200 Ultra/SPS500 -> Holo Audio May (Wildism Edition) -> Holo Audio Serene (Wildism Edition) -> Benchmark AHB2 -> Hifiman Susvara

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I've been using hqp 1.536mhz ext2 via usb from my 9900K windows pc on 30.12 firmware. it is working great. ive gone back and forth with dsd256 7ec but i think pcm sounds better. dsd is a bit smoother but doesnt sound as dynamic. im gathering parts now for a dedicated server. plan to run euphony with hqpe. i want to try an aftermarket usb or i2s pci-e card but not sure if any works with 1.536mhz, so may stick with motherboard output.

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Do we have a list of 3rd parties that allow 32fs with 30.12?  I assumed the affected cards would play ok, just not 32fs but now realize it's all or nothing (i.e my Startech Asmedia 1142 card sounds great with my Spring, powered by a JS-2 rail, but is a doorstop if using May and 30.12).

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3 minutes ago, ted_b said:

Do we have a list of 3rd parties that allow 32fs with 30.12?  I assumed the affected cards would play ok, just not 32fs but now realize it's all or nothing (i.e my Startech Asmedia 1142 card sounds great with my Spring, powered by a JS-2 rail, but is a doorstop if using May and 30.12).

 

Hi Ted, with my Spring 2 DAC I had success with two Asmedia 3142 cards (El Cheapo and JCAT USB XE).

 

Euphony (NUC7DNKE: Roon or Stylus) --> Euphony EP (NUC7CJYH: Roon Bridge or NAA or StylusEP) --> Matrix Audio X-SPDIF 2 --> Matrix Audio X-Sabre Pro (MQA) (I2S) -->

Euphony (NUC7DNKE: Roon) --> WS 2019 Core (i7-8700: HQPlayer, JPLAY Femto, Roon Bridge, MinorityClean) / Matrix Audio Element H --> Matrix Audio X-Sabre Pro (MQA) (USB) --> B & M Prime 6

Synology DS 112+ (LMS) --> pi3B+/HifiBerry Digi + Pro (PiCorePlayer) --> Matrix Audio X-Sabre Pro (MQA) (SPDIF) -->  

bedroom: pi3/DigiOne (RoPieee) --> S.M.S.L M500 --> KRK Rokit 5 or AKG 712 Pro

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Now running with mobo (Intel) USB and 30.12.  32fs works but the music continues to be unlistenable at all sample rates (popcorn sounds, as if driver is being overdriven).  Haven't tried 30.14 but expect no changes cuz 30.14 with USB card sounds same popcorn.   Summary: all music through the May USB is unlistenable, all music through I2S is good but limited to 8fs.

 

Edit:  Rechecked that all USB connections (mobo or Startech Asmedia card) into my Spring sound great at all sample rates, maxing out at 8fs, of course.  This eliminates cabling, etc. and puts my concern squarely on the USB transceiver in the May.  Does it have a setting I forgot?

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10 minutes ago, ted_b said:

Now running with mobo (Intel) USB and 30.12.  32fs works but the music continues to be unlistenable at all sample rates (popcorn sounds, as if driver is being overdriven).  Haven't tried 30.14 but expect no changes cuz 30.14 with USB card sounds same popcorn.   Summary: all music through the May USB is unlistenable, all music through I2S is good but limited to 8fs.

 

I'd try Jussi's Intel NAA image running from a USB stick to test it. I had issues with Windows on one machine. Booted up with NAA on USB, worked flawlessly at 32fs. 

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Announcing The Audiophile Style Podcast

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Just now, The Computer Audiophile said:

 

I'd try Jussi's Intel NAA image running from a USB stick to test it. I had issues with Windows on one machine. Booted up with NAA on USB, worked flawlessly at 32fs. 

Chris,. I have no NAA hardware at the moment.  My NUC is back with Larry being updated and made into a Roon core with NVME onboard music storage and Apacer RAM. 

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I decided to keep Tim (US distributor) in the loop on my May troubles, and he recommended I try one thing: remove the ISoRegen from my USB cable setup (Lush2 to ISORegen powered by LPS1.0 to USB adapter), a setup that the Holo Spring loved.  Well.....Tim is da man!  Sure enough, simply removing it and leaving the Lush 2 (and it's JSSG jacket) to fend on its own.....voila!  The USB input is now clean, free of all traces of popped kernels (and those pesky unpopped ones).  Both 30.12 (via mobo USB) and 30.14 (via Startech USB card) play flawlessly.  Thanks Tim!  Weird anomaly, and something to ponder....let alone now investigate replacing the ISORegen's isolation capability.  But...for now, I'm happy to be listening to a beautiful black background and a fresh dose of color and texture.

 

My first question will be this:  will the lowly motherboard USB port, capable of lifting music to 32fs, outduel the JS-2 powered Asmedia 1142 card, since it has one hand tied behind its back and able only to do 16fs (boy, are these first world problems 🙂).  At very first blush, it would seem that the 1142 card is in for a huge fight, and maybe I need to go find one that will also produce 32fs and the ability to be separately powered...cuz the mobo USB is playing Bill Frisell with soooo much color and timbre it is not funny...so why am I smiling and laughing.  😎  Stay tuned.

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I think y'all are nuts.  Break-in is real: you need to adapt; it isn't the device, it's your ears and head (which you are all up in).  My May sounded great when I plugged it in.  At chez sparky there's no intolerable break-in periods because I understand that I need to get used to a new device and disengage analytical thought.  Drink more alcohol my friends and stop being so dramatic.  The difference between the May and the D90 is subtle, at best. Is there a difference? Yes. Is it enough to write 600 words about? No, unless you write for a journal and get paid by the word. Tailored suit vs. rack.  Move along, nothing to see here...

 

I've seen Bill Frisell in so many weird settings and so many times.  The best was when I lived on Bainbridge Island (and he did too) and he played the local performance center/civic theatre with Robin Holcome and husband Danny Barnes (2001).  That was pretty epic.  I used to see him at the grocery store called the T/C. Sometime later, he played a show at a bar in Tacoma called Panamonica's with Viktor Krauss, Matt Chamberlain and Jenny Scheinman.  Had a great chat with Viktor between sets, and Matt told me he didn't know any of the setlist, he was just playing from instinct. It was unreal. Finally, at a show at the Tractor Tavern during Brotherhood of the Drum, at a show where Matt Chamberlain was playing with his side-project, Truster! (ca. 2005), I almost knocked Bill's drink from his hand as I spun around in the crowd.  I apologized of course and he was gracious, as is his thing.  There are other stories from Jazz Alley, but why tell all in one post... Bill is my favorite musician. I can with the authority of personal experience tell you, he is one of the greatest living players left. He is also a very sweet, very shy man, who wore engineer overalls on the ferry.

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I am a believer in break in but I couldn't help chuckle when I read some gents talking about 1000 hour break in. For people listening to two hours of music a day, that is 15 months of break in. Lol. 

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13 minutes ago, Schafheide said:

Actually, if you leave it running 24/7

Yes which is what you do with R2R. 10 days of leaving it on is all even the manufacturer recommends at least for Denafrips which is what I use. However for capacitors to break in you need to play music is what im told. Anyways, different views on this topic. I just let music play. If I dont like the way something sounds after 200 hours, good chance, I will not like it.

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Actually Kitsune (which is what this topic is all about) recommend at least 500 hrs. But if, indeed, you are a believer in burn-in, why complain about 1 month in the life of your investment in this DAC?

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