rmpfyf 1,817 Posted February 14, 2020 Share Posted February 14, 2020 On 12/02/2020 at 10:50 PM, was_a said: Ultimately to assess a DAC we need good references for comparison, preferably in situ and from different price-points. Of course, many of us have long experience in assessing components and will have built up a broad range of memories to draw on as well. This goes hand in hand with assessing a DAC's specs and recognising the effects on sound quality. And DACs need to be auditioned with a wide variety of musical genres, particularly acoustic music. I don't know how often I read reviews with reference albums that are all studio-produced / eq-d! To review a DAC I need to listen to it and see if it makes me happy. Anything more is overthinking it. If people here are happy with D10's, all power to them. 3 Link to post Share on other sites
was_a 581 Posted February 14, 2020 Share Posted February 14, 2020 Fair enough mate. Link to post Share on other sites
rmpfyf 1,817 Posted February 14, 2020 Share Posted February 14, 2020 1 hour ago, was_a said: Fair enough mate. Don't get me wrong, I have reference tracks too, most analogue-y with very little studio asshattery, and when I'm doing development work to listen for differences I go to these track and with various pre/post processing. I get what I need, I invite others to listen. But when I bought my main DAC it was a visit to someone's place that was one of the people behind the product and he played some tracks. It was amazing. It sat me down proper. I hope the D90 does similarly. Link to post Share on other sites
was_a 581 Posted February 14, 2020 Share Posted February 14, 2020 1 minute ago, rmpfyf said: I have reference tracks too, most analogue-y with very little studio asshattery Asshattery...I love it! (Could this be the new term for peak limiting?).😉 Looking forward to more impressions of the D90. 1 Link to post Share on other sites
frednork 1,051 Posted February 14, 2020 Share Posted February 14, 2020 Have had surprising results when comparing DACs, I compared a holo 2 and my dac (a vitus dac module) and was thinking maybe the Holo was sounding slightly better. I then remembered that I use upsampling to dsd on my dac and decided to switch it off as the holo was not upsampling . when I listen ed to solo violin the difference was quite big with the up sampled sounding not right. Once I turned it off there was very very little difference, still in favour of the holo but not worth spending bucks on in my opinion. So the effect of the upsampling swamped the difference between DACs. Would not be surprised if on someone else's setup the difference might be larger or even smaller. Some differences seem to translate and others don't. 1 Link to post Share on other sites
lordcloud 14 Posted February 14, 2020 Share Posted February 14, 2020 I've become accustomed to the sound of nos dacs and I truly wish I could turn the oversampling and filters off on the D90.. Thus far, it doesn't sound "bad".....but it sounds less like it's part of a replay device for music, and more like what it is... something that converts digital to analog. Which is the point. But I'm not sure I like it. It sounds better than it did over the first few days....but it's either missing some weight and density, or every other DAC had added them in, and this one is just more truthful. Which may be the case. Still listening and evaluating. 3 Link to post Share on other sites
Ittaku 4,374 Posted February 14, 2020 Share Posted February 14, 2020 On 12/02/2020 at 10:37 PM, lordcloud said: I'm hoping burn in plays a role and the D90 just sounds better after a week or so. I have a Topping DX7s (I've actually had two) but did not find it changed sound at all with time. Upsampling on my computer to sample rates where it turns its filters off (anything over 300k) makes it sound much better. So when others speak of filters affecting the sound, I believe they're right. This is why there's more to good sound than just measured ultra low distortion and high dynamic range. Link to post Share on other sites
JPete9 472 Posted February 14, 2020 Share Posted February 14, 2020 42 minutes ago, lordcloud said: Thus far, it doesn't sound "bad".....but it sounds less like it's part of a replay device for music, and more like what it is... something that converts digital to analog. Which is the point. But I'm not sure I like it. I might have missed this - but does it have filters like the D50? Its an interesting point you make, it might be an awesome device, but its synergy with your exact system might not gel, but the next person and it work perfect. Link to post Share on other sites
lordcloud 14 Posted February 14, 2020 Share Posted February 14, 2020 39 minutes ago, JPete9 said: I might have missed this - but does it have filters like the D50? Its an interesting point you make, it might be an awesome device, but its synergy with your exact system might not gel, but the next person and it work perfect. It has 6 filters. I've only listened to 1, as it's supposed to be the most correct. Link to post Share on other sites
lordcloud 14 Posted February 14, 2020 Share Posted February 14, 2020 58 minutes ago, Ittaku said: I have a Topping DX7s (I've actually had two) but did not find it changed sound at all with time. Upsampling on my computer to sample rates where it turns its filters off (anything over 300k) makes it sound much better. So when others speak of filters affecting the sound, I believe they're right. This is why there's more to good sound than just measured ultra low distortion and high dynamic range. The D90's sound has changed, in my opinion. It used to paint very flat images. It doesn't do that anymore. I think one of the things it lacks, ironically, is dynamic range. I could be wrong though. Again, I'm still listening. Link to post Share on other sites
JPete9 472 Posted February 14, 2020 Share Posted February 14, 2020 2 minutes ago, lordcloud said: It has 6 filters. I've only listened to 1, as it's supposed to be the most correct. https://audiobacon.net/2019/12/24/topping-d50s-dac-review/ Feedback on the filters for the D50 - they may correlate ? (may not too) Link to post Share on other sites
prymortal 14 Posted February 20, 2020 Share Posted February 20, 2020 (edited) D90 arrived. Initial impressions. * Filter 1 & 4 are good. - Mainly using Filter 1. * There is an improvement in the floor noise, very noticeable, surprisingly how noticeable especially with Youtube, Twitch e.t.c. (Vs SMSL SU-8 Its tiny but noticeable tiny.) - Turns out this "floor noise" difference is actually the fact the D90 doesn't do all the same sounds the SMSL SU-8 does, To difficult to figure out where but If I had to guess its in 3 areas total: bass (it does sub bass & low mids WELL!!!), Upper Mids. There is a treble difference as well SU-8 is peaky harsh & D90 is Glare soft with treble. * Turns out the glare was a damaged/unshiedled USB cable I was using. * Bass has punch. - Bass & sub bass really does have a punch. Sometimes its like tapping on a speaker sound. * I suspect that the AKM filters vs ESS filters cause the extra speed/detail I'm hearing, this thing is fast yet detailed without lacking when doing some audio parts I thought i knew. - Still think its a filter difference for the speed of sound difference. * Its still AKM soft sounding to me but a step up from the past few AKM Dac's i've heard. (coming direct from SU-8 makes it noticeable) - If the treble didn't have glare on it (* Turns out the glare was a damaged/unshiedled USB cable I was using.) it'd be up there in top Dacs i've heard to date due to the technical aspects & presentation of sound it does alone. * My Hd800 at times have reminded me of the L700 with some dynamic mid parts of songs. (speed, punch, power) - This is still true "reminds" but not used the L700 with the D90 yet.... Holding the Power button while turning on the unit showed me the "hidden menu" which i used to set the unit as a Pure Dac. In normal options I set it to XLR input only. (to kill the RCA input). Overall it sounds like a Dac.... I'd rate it above my SU-8 but not by much in general. - I do stand by this, not worth spending the extra $440USD on it over the SU-8 unless you need BT, IIS (I²S) & pre amp. If they sold the D90 cheaper as a Dac only, Then it would be worth it In My Opinion. Pairs well with the THX amp. Going to wait, get used to it, then see if i notice anything still. Edited March 1, 2020 by prymortal details might help. Kept it simple. 4 Link to post Share on other sites
silversurfer 28 Posted February 29, 2020 Share Posted February 29, 2020 Still happy with the D90 and was able to sell the Pavane in the meantime. Agree with the above that Filter 1 and 4 are the most pleasant ones and to have a NOS filter would be great but then again in a blind test I wouldn’t really be able to tell the difference. Using a SU1 Interface I went back and forth between D90 and Pavane and I just enjoyed the former more. With the setup I have( StaxSR009S/ KGST and HD800S/HDV820)the music is more engaging and most important for me, it has this stunning holographic presentation. I couldn’t care less about measurements and again agree with something mentioned above: music through this dac puts a smile on my face and makes me kind of happy...and that’s all that matters to me. 3 Link to post Share on other sites
Ittaku 4,374 Posted February 29, 2020 Share Posted February 29, 2020 (edited) 29 minutes ago, silversurfer said: Still happy with the D90 and was able to sell the Pavane in the meantime. Agree with the above that Filter 1 and 4 are the most pleasant ones and to have a NOS filter would be great but then again in a blind test I wouldn’t really be able to tell the difference. Using a SU1 Interface I went back and forth between D90 and Pavane and I just enjoyed the former more. With the setup I have( StaxSR009S/ KGST and HD800S/HDV820)the music is more engaging and most important for me, it has this stunning holographic presentation. I couldn’t care less about measurements and again agree with something mentioned above: music through this dac puts a smile on my face and makes me kind of happy...and that’s all that matters to me. Interesting, as I have the DX7s and almost identical Stax headphone setup but with the Matrix Audio SPDIF converter. Have you tried without the SU-1? The clocks used in the D90 are insanely good and whilst the SU-1 *might* provide some extra isolation, theoretically it will not be doing anything useful for jitter reduction over and above the D90's internal clocks. It may well be that it sounds just as good with USB straight into the D90. Edited February 29, 2020 by Ittaku Link to post Share on other sites
silversurfer 28 Posted February 29, 2020 Share Posted February 29, 2020 Sure, I mainly listen straight into USB port on the D90; the SU1 was useful to feed both dacs with the same signal simultaneously. The USB input is also better than the Metrum Pavane USB( or the HEX which I had previously). Not dissing the Pavane but in all it’s NOS beauty it lacks a tad dynamics and can be too laidback. Link to post Share on other sites
prymortal 14 Posted February 29, 2020 Share Posted February 29, 2020 I fixed my Treble glare issue with a Audioquest Carbon USB cable. Probably any cable would of fixed it in all honesty because the USB cable I was using has a damages, stripped & ungrounded shield. Link to post Share on other sites
Ittaku 4,374 Posted February 29, 2020 Share Posted February 29, 2020 15 minutes ago, silversurfer said: Sure, I mainly listen straight into USB port on the D90; the SU1 was useful to feed both dacs with the same signal simultaneously. So would you say the sound is basically identical with and without the SU1? I expect it would be. Link to post Share on other sites
silversurfer 28 Posted February 29, 2020 Share Posted February 29, 2020 Yes, and I was also keen to try the I2S port but it was too etched, really carving down to the bone of the music...figuratively speaking. Generally fewer cables is best and the D90 USB is really all you need....and a good USB cable, of course. Link to post Share on other sites
lordcloud 14 Posted February 29, 2020 Share Posted February 29, 2020 After further listening........the D90 now just sounds wonderful. It's far more transparent than my previous DAC (modified MHDT Labs Balanced Pagoda), and the sound presentation switches according to what I'm listening to. It's very insightful, laying every little detail out there. If the soundstage is shallow, it's because it's in the recording. If it's deep...... recording. I don't think this is the dac for someone who wants to hear their music with added anything, though I'm not sure that this DAC is the pinnacle of transparency either. Speculation on my part of course, but I wonder how much more information it could retrieve with an over engineered power supply. But regardless, I plan on keeping it as i think it would be incredibly difficult to best it for sheer transparency, at or around its price point. Transparency is definitely what this dac is about. 2 Link to post Share on other sites
lordcloud 14 Posted February 29, 2020 Share Posted February 29, 2020 I'm currently listening to CD through the i2s connection (1 meter Audioquest Ocean) and I love it. The first day though......it sounded like **** and i thought something was wrong. 1 Link to post Share on other sites
Hi-Fi Whipped 1,138 Posted March 1, 2020 Share Posted March 1, 2020 Two user reviews in a couple of weeks appear to have killed the thread, usually this is where things really ramp up. proof that most people in the thread would rather speculate and try to out do each other using thier big audio brains than talk about the actual real world performance of product. congrats to those who actually purchased the product and appear to be enjoying it. 👍🏽 11 Link to post Share on other sites
TerryO 2,650 Posted April 9, 2020 Share Posted April 9, 2020 Anymore feedback on the D90 from those who have purchased one? cheers, Terry Link to post Share on other sites
Suopermanni 251 Posted April 14, 2020 Share Posted April 14, 2020 If anyone can wait until May, I will be in possession of one! 1 Link to post Share on other sites
was_a 581 Posted April 16, 2020 Share Posted April 16, 2020 (edited) On 01/03/2020 at 5:04 PM, Hi-Fi Whipped said: Two user reviews in a couple of weeks appear to have killed the thread, usually this is where things really ramp up. proof that most people in the thread would rather speculate and try to out do each other using thier big audio brains than talk about the actual real world performance of product. congrats to those who actually purchased the product and appear to be enjoying it. 👍🏽 I have no idea what this means. Two positive user opinions? That's the 'proof' ??? And why did 8 people LIKE this! I blame the lockdown......... Edited April 18, 2020 by was_a 1 Link to post Share on other sites
muon* 2,716 Posted April 16, 2020 Share Posted April 16, 2020 (edited) 7 minutes ago, was_a said: I have no ideal what this means. Two positive user opinions? That's the 'proof' ??? And why did 8 people LIKE this! I blame the lockdown......... Please help remedy this with LIKES. I'm aiming for 16! His speculation around others speculation is very speculative Edit: sorry to say most of those likes happened pre virus days. Edited April 16, 2020 by muon* Link to post Share on other sites
muriwai 367 Posted April 16, 2020 Share Posted April 16, 2020 Noob question what cord connector does i2s use?look like? Link to post Share on other sites
kelossus 1,900 Posted April 16, 2020 Share Posted April 16, 2020 2 minutes ago, muriwai said: Noob question what cord connector does i2s use?look like? There is no real industry standard connector but the D90 uses a hdmi cable. Link to post Share on other sites
muriwai 367 Posted April 16, 2020 Share Posted April 16, 2020 7 minutes ago, kelossus said: There is no real industry standard connector but the D90 uses a hdmi cable. So the “socket “ on the Dac looks/is same as a hdmi socket?and then does the pre amp/integrated amp that the dac connects to have a socket that says i2s? Link to post Share on other sites
kelossus 1,900 Posted April 16, 2020 Share Posted April 16, 2020 (edited) 1 minute ago, muriwai said: So the “socket “ on the Dac looks/is same as a hdmi socket?and then does the pre amp/integrated amp that the dac connects to have a socket that says i2s? I2S is a digital input. This would usually come from a CD transport or maybe even a streamer these days? Digital Source >>>> I2S output>>>>>> DAC's I2S Input>>>>>> DACs analogue output>>>>>>Preamp/Integrated Input Edited April 16, 2020 by kelossus 1 Link to post Share on other sites
Suopermanni 251 Posted May 27, 2020 Share Posted May 27, 2020 Well, I finally got my D90! I hope to get an A90 at some point and then go for A/B comparions with other DAC and amps. 1 Link to post Share on other sites
Lazz 204 Posted May 27, 2020 Share Posted May 27, 2020 Suopermanni, would be great to hear your impressions/review.Thx. Link to post Share on other sites
Suopermanni 251 Posted May 30, 2020 Share Posted May 30, 2020 I haven't quite formulated my thoughts on the D90 yet. I'm very much liking what I'm hearing though. My headphone setup is as follows at the moment: PC via USB to D90, D90 via RCA to Gieseler HPA, HPA balanced out to LCD4. Link to post Share on other sites
PositivelyMusicallyGeared 337 Posted June 15, 2020 Share Posted June 15, 2020 (edited) Now on 10% discount for 3 days (6.16 Shopping Spree Day) by Shenzhenaudio. Edited June 15, 2020 by PositivelyMusicallyGeared 1 Link to post Share on other sites
08Boss302 1,308 Posted September 7, 2020 Share Posted September 7, 2020 Any further thoughts on the D90 now people have had them for a while? Its still generating solid fanfare online as is the SMSL M400 also running the same chip. Link to post Share on other sites
Steffen 805 Posted September 7, 2020 Share Posted September 7, 2020 I like that you can bypass the DSD > PCM (for volume control, etc.) > back to DSD detour on the AK4499 chip, by setting the D90 into “DAC” mode, i.e. fixed volume. That way I can convert everything to DSD on the Mac, and send it straight to the sigma-delta D/A converter without any further processing. 1 Link to post Share on other sites
Grindog 5 Posted September 26, 2020 Share Posted September 26, 2020 Hi all, I have recently put my hard earned down on a NAD C658 as a natural upgrade to my Node2i. I have my Node2i connected directly to my power amp and love sound and the simplicity but there is a discernable noise floor introduced this way. The NAD provides balanced outs and a dedicated Pre (rather than just digital volume on the Node) so this should take care of the noise floor issue. I am also planning on moving to active speakers, as an ATC fanboy, balanced outs will be required when that happens. So all well and good on the upgrade until I came across the Topping D90, the RME ADI 2 and Denafrips (Ares II or Pontus). I am sure many have been through the same conundrum. I could keep the Node2i as a streamer and add the D90, RME or Ares. There have been a lot of discussion on how happy owners are with the performance of these DAC's but very little on the performance of them as a Pre. Keeping the Node gives me versatility but the NAD is such a great allrounder in the one box. Can anyone provide some input on what I would be losing on balance, (if anything) on staying with the NAD as a single box solution (Streamer/Dac/Pre) or going for a 2 box solution (Streamer + DAC/Pre)? There doesn't seem to be any comparisons I can find on the DAC performance between the C658 and say the RME??? Ultimately the price will be in the ballpark for either solution. Any / all thoughts welcome. Regards Crannie Link to post Share on other sites
captain starlight 48 Posted September 26, 2020 Share Posted September 26, 2020 10 hours ago, Grindog said: Can anyone provide some input on what I would be losing on balance, (if anything) on staying with the NAD as a single box solution (Streamer/Dac/Pre) or going for a 2 box solution (Streamer + DAC/Pre)? It may be me, but I just don’t like single box solutions - namely, I like to maybe try a new dac, a new amp etc and I can do that with a multiple unit solution. To me, an all in one is very limited but multiple units (on the other hand) give me greater flexibility and an easier upgrade path. (Yes I know I can “deactivate” or bypass some parts of an all in one solution, but that just seems wasteful to me eg, buy a NAD integrated amp, but you bypass the power amp and just use the pre-amp or vice versa). one other point, if one element of an all in one solution breaks, then you are totally “offline” while that whole box is away getting fixed. A multiple unit solution will allow you to “slot” in a spare or a loaner while that dodgy component is off getting fixed. I like flexibility. one downfall though, you use more powerpoints with a multiple box solution. Link to post Share on other sites
Grindog 5 Posted September 26, 2020 Share Posted September 26, 2020 Thanks For coming back Graham, I'm actually more interested in the sonic differences. Is there anyone using the D90 as a Pre? Link to post Share on other sites
Niktech 29 Posted September 26, 2020 Share Posted September 26, 2020 Both the Ares II and the Pontus are a pure DAC, there is no preamp built in. You could perhaps connect either directly to a power amp that has selectable input sensitivity and an attenuator limiter, but that would be less than ideal. Cheers Link to post Share on other sites
C@mM! 0 Posted October 29, 2020 Share Posted October 29, 2020 (edited) I'm a bit of a lurker here over the years, but just dropped into a D90/A90 combo from a Jotunheim Multibit driving Fluid Audio FPX7 Fader Pro's & Beyerdynamic T1 Gen 2's. I'm finding that the soundstage is much more detailed with some terrific bass extension, but I've lost some warmth. Thats okay, whats not okay is the high amount of sibilance that I seem to be getting. Sheena Ringo's Instinct for example I'm almost wincing at some of the cymbal crashes. I figured I might be able to tame that with the filters, but honestly, I have nfi what I'm doing with those. Edit: Did some playing and research with filters, Filter 4 seems to reduce but not completely remove it. Edited October 29, 2020 by C@mM! Link to post Share on other sites
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