Reviews

Chord Electronics Hugo M Scaler Review – Digital Disruption

Chord Electronics Hugo TT 2

The hype is real. The Chord Electronics Hugo TT 2 is such an amazing piece of gear. I’ll save the details for my review in a few weeks. But this product might as well be the end-game for many. It sounds MUCH better than the Hugo 2 and Qutest.

First, even in the “pass-through mode” on the Hugo M Scaler – both of these DACs sound better. So even without upscaling, the Hugo M Scaler seems to isolate some of the noise.

The TT 2 sounds so damn musical – even without the Hugo M Scaler. I love its (warmer) tonality. The DAVE sounds a bit cooler in comparison. After months of listening exclusively to the TT 2, I did miss the more convincing nature of the DAVE. There were acoustics tidbits of familiar recordings I was expecting – but didn’t hear from the TT 2.

If you’re looking for a DAC that sounds “real” – the DAVE is the better DAC. But if you’re willing to sacrifice some depth and resolution for warmth – the TT 2 is killer.

Hugo TT 2 & Hugo M Scaler vs. DAVE

Throw a Hugo M Scaler onto the TT 2 – and the game changes. Many of what I mentioned during my initial impressions still stay true. I was listening to this combination for months without feeling the need to swap back to the DAVE. The goal is the enjoyment of music – and this combo did it for me. I feel its tonality is more natural and more aligned with my tastes in color.

Going back to the DAVE after such a long hiatus was a revelation. For one, I realized why the DAVE is Chord Electronics flagship. Secondly, why the TT 2 is such a formidable addition to their line of DACs.

When the Hugo TT 2 is paired with a Hugo M Scaler, it’s cleaner and quieter than a standalone DAVE. Imaging is tighter and delineation is much improved. The DAVE just can’t touch the TT 2 scaler combo in the same way as the Hugo 2 and Qutest. That is just the nature of the Hugo H Scaler. This is, however, where the differences end.

Overall, the Chord Electronics DAVE has:

  • a fuller, more tangible presence (body and weight)
  • better timbre
  • a more lifelike resolution
  • better articulation: smoother and more coherent. The TT 2 does sound a little rougher as far as grip.
  • dimensional contouring
  • more resolute in how the music is pieced together

Could this be due to the DAVE’s 20-element pulse array (vs. TT 2’s 10)?

Now, the Chord Electronics DAVE is sensitive to the power cord used. I’ve probably tried about 100 power cords on it. So, when using a stock power cord, the gap is much closer. In fact, I preferred the TT 2 and Hugo M Scaler combo in this configuration. It’s smoother and more naturalistic in tone. I suspect this could be partly due to the better output stage of the TT 2.

However, with a High Fidelity Cable CT-1 Ultimate, Furutech DPS-4, or Snake River Audio Signature Cottonmouth power cord – the DAVE still sounds more convincing. The TT 2 and M Scaler combo is still technically superior – but the DAVE is still more believable to my ears. There’s just a liquid quality to the DAVE.

Hugo TT 2 vs. DAVE (both with Hugo M Scaler)

So what is the performance gap when both DACs are using the Hugo M Scaler? Huge. The DAVE was already great. The Hugo M Scaler activates GOD mode.

First, the Hugo TT 2 seems to benefit more heavily from the Hugo M Scaler in DBNC mode. It gives it more air, resolution, and transparency. Things you wouldn’t be able to get with any cable or component tweaks. And this complements the richer and warmer tone of the TT 2 very well.

The Verdict

As a baseline, the DAVE is a much better DAC. It has better focus, clarity, and acoustic shaping. Depth and image separation are impeccable. There’s also more presence in the form of body and dynamics.

With the Hugo M Scaler, the DAVE is also smoother and more articulate. It’s tightly controlled when the music gets complex. Nuances are better resolved. It tops it off with an accurate timbre and healthy amount of tactility.

The TT 2 sounds a bit flat in comparison – even with the Hugo M Scaler. There’s also less air and layers between and around the performers. It doesn’t sing into the room nearly as freely, and effortlessly, as the DAVE combo. The one thing that I did like more with the TT 2 combo is the warmer tonality (Filter 4). To me, it sounds more realistic and naturally colored – and will win the hearts of many. It’s the one quality that sounds truer than the DAVE in DBNC mode. Which reminds me – I wish the DAVE had a “warmth” filter (DAVE 2 perhaps?).

At the end of the day, the DAVE combo just sounds more convincing.

Now I consider either DACs with the Hugo M Scaler as end-game setups. When you’re at a million taps – I don’t think there’s any more information that could be extracted from your sources. Both setups will net you world-class sound without being insanely expensive.

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Jay Luong

Mr. Audio Bacon himself. An open-minded electrical engineer and software developer by trade. I have an obsession with the enjoyment of all things media - specifically in the realm of music and film. So much heart and soul (and money) go into the creation of this artistry. My aim is to find out which products get me closer to what the musicians and directors intended.

View Comments

  • $5K, plus the $11k DAC to make full use of this device buys an awful lot of sealed vintage vinyl, no join-the-dots musical make-believe required.

    As "...An open-minded electrical engineer and software developer", are you proposing that GIGO (Garbage-In, Garbage-Out) is no longer true if the level of trickery is extensive- and fast-enough?

    Honestly, if this 'something-from-nothing' reconstruction worked beyond being more subjectively-pleasing to the ear that is invested in hearing that difference, then its efficacy is easily tested -- if you're willing:

    Simultaneously record at both 24/768 and 16/44 a musical instrument with a lot of high-frequency content and overtones beyond the range of Redbook (e.g., a crash cymbal) and then capture the upsampled output of the Chord at 24/768 playing the CD-resolution copy. Open the result in a Hex Editor with a range of descriptive statistical analyses (e.g., HHDs: https://freehexeditorneo.com/) and see how much it has in common with the Native 24-bit file.

    Adding this information as an update to your review would provide a large degree of common agreement (or disagreement) regarding this device's capabilities for your readers (who may be considering splashing out on the Chord on your recommendation) above and beyond what You find subjectively pleasing.

    Of course, there's no obligation to provide objective corroboration for your subjective listening impressions, but you ARE "...An open-minded electrical engineer and software developer" and should be as willing as you are capable...

    cheers,

    • In Signal Processing, upscaling is kinda interpolation. You certainly can't restore the information already lost in lower rate sampling, but I don't equal interpolation to GIGO processing!

      If so called, Vinyl, though analog, is a different way of GIGO - lower DR, lower SNR, ... to begin with and even human brain "interpret" that low quality signal, call we call it Higher Fidelity than digital? Probably not.

      Noting perfect.

      • M Scaler is more than just interpolation. Is usesthe sinc (sin(x)/x) function that is the impulse function of the brickwall filter. With the sampling theory in mind this is the 100% correct interpolation. For a 44KHz sampling we are however bound with 22KHz music bandwidth, always. Information beyond 22KHz is lost forever. So no new information that is true but no need for a steep analog output filter.

    • From a scientific point of view, an empirical point of view, where you are coming from makes sense. But you're not seriously suggesting that high end dacs and amps don't improve the experience of listening to music are you ? Have you heard anything through Chord's equipment ?

      At the end of the day, charts and science cannot explain even why we listen to music. It's something very deep with our connection the the universe and anything that enhances that is more important than something showing me a wave on a chart and telling me there is no difference when I can hear it.

  • Great review Jay! My experiences with the Dave, Hugo 2 and HMS match yours. Of course you've done a lot more testing than I have. As an aside and in response to Dave Page's comments, 44K (correctly bandlimited on digitizing) is not necessarily garbage in. Rob Watts' perspective (based on extensive experience, measurements and theory and reflected in the white paper you mentioned on page 1 of this review) is that much of the 44K 16 bit digital out there is actually fine it the aspect of the ADC conversion. The bigger problem is converting from digital back to analog and that's what the HMS enables so well. Having lived with a Chord Dave, an HMS and good power conditioning, etc. I can say that my listening to CD (or streamed CD quality) and also true HD content has pulled into roughly the same league as my highend vinyl rig. Sure there are differences, but this is a major step forward to make digital sound like analog. I too have spent many hours late into the night listening to my rig. I find this a really good way to determine my engagement - the Dave, HMS and my Focal headphones make it such that it's hard to go to bed! One question: have you done any testing with say a Hugo TT 2 directly into efficient small speakers (with an augmented powered sub). I'm considering such a system for my kitchen/dining area.

    • Thank you for your insight, Bob! I was actually waiting for parts to build my own speaker adapters to drive with the TT 2 (hence the delay). It also took some time to get custom headphone cables built for the XLRs. What can I say, I like to be thorough lol Are there any particular speakers you're thinking about driving them with?

      • Great that you're about to try the TT2 direct into speakers! I don't have any particular speakers in mind although I'd be using them with a Rel T5 sub. The speakers themselves would need to be pretty efficient and also fairly small (~15 inches tall or so and maybe 10 inches deep at most, maybe 8 inches wide). Super loud isn't important for me - I'm trying to just fill a space with wonderful music (prefer a really large sound with great presence and tone. Super precise imaging is nice but not critical). Also, these speakers must go right up against a wall.

      • Hi Jay - thanks for one of the best audio websites out there today. I wanted to check in on your testing of the Hugo TT 2 driving efficient speakers. I am building some open baffle speakers using a 100 db efficient full range range driver and would consider buying a TT 2 if it sounds fantastic driving efficient speakers. What thoughts do you have on this or can you provide a link to your TT 2 review if you covered it there?

        • It still depends on speaker design, but I'm 99% sure you won't be disappointed if you use the TT 2 (XLR) to drive your 100dB speakers. It has tonal qualities I enjoy more than even the Chord DAVE. I've only used the XLR outputs to drive the Abyss headphones so far

          I'm planning on doing a video review of the TT 2 soon. Any efficient loudspeakers under $1,000 you'd recommend for the review?

          • I've been researching drivers and not speakers so not sure I can be of much help here - the usual suspects I think of come from Klipsch (RP-600M), Tekton Design (various models), and Zu Audio Omen Dirty Weekend II. I have no experience with these speakers other than listening to the Klipsch at a large box store.....

            The drivers I want to run are Lii Audio Crystal-10s in an open baffle design.

            Thanks

          • A few other ideas speaker wise - check out the Caintuck Audio site for their open baffle speakers and email Randy for his opinions on which might work best for your review. Also Buchardt S300 perhaps.

  • Hello Jay. I'm using hugo2/mscaler now and have two options next. Either add a TT2 to my mscaler or trade in my hugo2/mscaler and pay the difference and get a new dave. Im leaning towards dave but i'm reluctant to part with my mscaler. The caveat here is that if i get a dave i will need to wait at least a year to buy another mscaler as my budget for audio will have reached its limit. I use oppo pm1 headphones. thanks.

    • The DAVE sounds more convincing in transparency and resolution - and probably flow and layering as well. I think the tone of the TT 2 is more of my tastes though. If you do mostly headphone listening, you'd be fine with the TT 2 + M Scaler. As I've mentioned, if you don't have a better power cord for the DAVE, it's even more of a reason to keep the TT 2 + HMS.

  • Hey Jay, do you still have the Terminator loaner? The new user replaceable DSP board is coming in a week or two for it & among an improved USB functions & dual AES support, it will add a slow filter mode. This might change the perceived clinical sound you were hearing.

  • Thanks Jay. Will keep you up posted as i continue my chord dac journey. Your advice is much valued. I just wonder if a third party power cord might actually do some harm if it is not specifically designed to run with a dave? The stock one at the least is designed for dave.

    • Thank you for your kind words. Hm, I haven't had any problems with any power cords with the DAVE - even with DIY cables.

      Just a side note: Listening to the TT 2 @ 16X right now and it sounds so damn good. It has a truer tone. But the DAVE sounds more "real" in every other way.

  • Interesting review Jay. Has Chord just provided a more cost effective upgrade path for Blu owners with the M-Scaler at half the price of a Blu Mk2?

    • Some owners of the Blu2 and HMS say the differences weren't significant on their end. In my case, it was appreciable enough. It could be the cables or something else in the system. YMMV. I'll clarify that in the review.

      As far as an "upgrade" path, I'm not sure if that's even possible without sending the unit in. I wouldn't expect Chord to do that since the HMS was released a little over a year (?) after. Improvements are expected - that's just how it goes.

  • Jay,can you expand a bit further on the Hugo 2+ m scaler? Assuming one has a Hugo 2, ~5k , and a desire to update, would one be better served by purchasing an m scaler and using the Hugo 2/M Scaler combo OR purchase the TT2?

    In short, would the better option be Hugo 2+ scaler OR Hugo TT2 (and pros/cons of each?

    This review was exceptional and answered questions many have. Could you give your thoughts on the scenario above?

    • Others may disagree, but the Hugo 2 is definitely on the cooler end as far as tonality. Even at its warmest filter - the TT2, to my ears, has a more natural, warm tone. So if you're a stickler for tonality, I would go TT2. However, if you prioritize depth, resolution, soundstage, clarity, transparency - go with the Hugo 2 + M Scaler.

    • you can always plug a warm analog amp on the analog output of the Hugo2 if you want a warmer sound of of the combo. Hugo2 has always been on the cold side, so if you like it the way it is I doubt it would matter.

  • M.

    GO WITH TT2 IF YOU LATER PLAN TO ADD AN MSCALER. IF THAT IS BEYOND YOUR BUDGET THE HUGO2/MSCALER COMBO DEFINITELY OUTPERFORMS A SOLO TT2. THE MSCALER IS OUTSTANDING. TRY YOUR SOURCE WIRED INTO HUGO2 INSTEAD OF PASS THRU ON THE MSCALER FOR A TRUE COMPARISON OF HUGO 2 VS MSCALER WITH HUGO2. SO IF HUGO2/MSCALER IS YOUR LIMIT GO THAT WAY. I AM USING HUGO2/MSCALER FOR THE LAST YEAR HOPEFULLY UPGRADING TO TT2 SOON.

  • Folks this isn't really rocket science.. the whole point of the scaler is to take the original music you play and "enhance" it. Fill in the gaps.

    I have the Dave/blu2 combination with usbultra and world clock etc.. and to be frank I can't tell the difference between a mp3 from itunes and a high resolution file when I play it via my system with the scaler.

    I have some exact same recording in mp3 and high res and they sound the same.. and I'm not just saying that I listen hours per day almost every day and that's what the chord scaler can do.....

    Now of course.. it won't fix a completely fumbled recording no matter what... source is important... but as long as its a decent mp3 you won't notice the difference....... that has been my experience...... Regards...

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