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Hugo TT 2 by Chord Electronics - The Official Thread

Discussion in 'High-end Audio Forum' started by ChordElectronics, May 10, 2018.
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  1. musickid
    With the TT2 the HPA4 becomes redundant for headphones.
  2. Roasty
    Sure. That may be the case indeed.
    I do like the hpa4 tho. It has good specs and line out amplifier.

    Just wondering if anyone runs that setup I mentioned, or not.
  3. musickid
    That set up would be pointless surely? If you're determined a much cheaper hugo 2 or mojo maybe which could take over dac duties into the HPA4. Still a bit strange though.:)
    Last edited: Sep 11, 2019
  4. Roasty
    Lol in this hobby.. There is a lot of pointless stuff going about.. No?

    It's a matter of perception isn't it? If i spent for tt2 and mscaler, I would likely love it, but other people might find it pointless.

    There is a whole group of people on ASR forum who think the folks in this thread are crazy.
  5. musickid
    I would go hugo 2 into hpa4. price and performance and size factor. fit nicely on top of hpa4. what's ASR? pointless stuff for sure lol.
    Last edited: Sep 11, 2019
  6. Roasty
    Audio science review forum.
    I like to read stuff there too as it provides alternative (and occasionally, supporting) views on some topics and products.

    I've tried the mscaler tt2 combo and was very impressed. I echo your impressions.
  7. x RELIC x Contributor
    No, the PM-1 is not using around 1.2W... if it was you’d be deaf dude. The PM-1 will only use around 63mW to produce 120dB SPL. If you listen at these levels for long you will cause damage to your hearing. Oppo recommends a long term max power input of 500mW for the drivers. That’s max continuous before the drivers fail. Oppo recommends a max pulse rate of 2W. That’s a PULSE, as in nothing more than a blip before the headphone may fail. Read the power input spec at the bottom of the linked page.


    The TT2 is a better device than the Hugo2, the price and product tier clearly indicate it’s meant to be better. That doesn’t mean the PM-1 is suddenly using the available potential power when you are listening at sane levels. Just keeping it real instead of these ‘it feels like this much power’ comments.

    By the way, a balanced topology isn’t just about power. It’s a different design topology that can take advantage of common mode noise reduction and balanced can solve certain issues from the DAC. SE can sound as good or better than balanced depending on the design. Rob’s designs are among those that perform measurably better in SE than balanced, with other gear it could be the opposite.
  8. musickid
    My understanding is that the extra power doesn't necessarily equate to just loudness with the PM1. The extra power output of the TT2 increases the quality of the control and dynamics of the driver for example resulting in a better sound. So not loudness but the quality of the amp and its ability to control the headphone and drive it correctly. Still learning. The mdr z1r doesn't need much power to play loud or the empyrean but the quality of the amp is paramount. Maybe with the Oppo HA1 amp a balanced set up results in more power which isn't used but the amp still drives the PM1 to its very best in this configuration.
    Last edited: Sep 11, 2019
  9. x RELIC x Contributor
    You can’t add power without increasing volume. Slew rate, impedance, damping factor control the driver.
    Last edited: Sep 11, 2019
  10. musickid
    Therefore when MDR Z1R owners or Empyrean owners use the TT2 it is all about the quality of the amp and its ability to drive the headphones correctly and optimally irrespective of power output or power needed. The TT2 is warmer and more transparent than hugo 2 regardless of the power used by any headphone. In this case a high sensitivity headphone still benefits from the warmer more transparent delivery of TT2. This is a science.....
    Last edited: Sep 12, 2019
  11. x RELIC x Contributor
    Yes. There’s just a few headphones that truly require gobs of power.

    Mostly it’s all about if there is enough with headroom for dynamic peaks. Think about a pool you dive in to... is the water deep enough to dive safely without hitting your head on the bottom? If so then using a lake or an ocean won’t make a difference as you’ll only dive so deep from a certain height. I know, a weird analogy, but the point is that once there is enough then there is enough. Over kill is just that, overkill. Of course a weak source will always be insufficient, but the idea that Watts are needed for the majority of headphones is becoming way out of hand.
    Ragnar-BY and rkt31 like this.
  12. musickid
    Thanks Relic.
  13. GreenBow
    That sounds encouraging.

    The TT2 sounding full at low volumes is how I thought it would be. Straight from the TT2 is must be so refined, detailed, and fast.

    Like you, I have speaker cables, and intend to build an adapter. I have some speaker plug females, and some RCA plugs. I'll probably have a go at doing RCA single-ended first. (I need to get some quality cable to make adapters though, but anything will do for volume checking.) If it's not loud enough, then buy some XLR plugs.

    I remember a recent post from Rob Watts about using XLR. Someone was asking about how hard they could drive RCA and XLR I think, or about the unit getting hot. … Don't quote me, but I think the reply was something vaguely like this. Single ended fine - no worry. Balanced - I think it was something vaguely like, don't push it like mad at top power. It was quite a recent post, and not worded like that, but that's what I took from it.
    Last edited: Sep 13, 2019
  14. x RELIC x Contributor
    Hey @musickid I’m very happy for you and your TT2 purchase. I’m not meaning to rain on your parade, just that I know you are inquisitive so thought you’d appreciate the info. By the way, you said that even when you turn the volume down all the qualities you enjoy with the TT2 remain. This is a true sign that it’s the overall design of the gear, not just power, that makes the gear sound good. Remember, humans are wired to prefer louder music, but when it’s just as enjoyable at lower to medium volumes then that’s a sign of great gear. That’s the way I feel about the DAVE.
  15. musickid
    I enjoy the science and theory behind headfi gear very much and always appreciated your feedback. It's nice to turn it down at night with some relaxing jazz for sure ...:beerchug: Great gear does pianissimo well bad gear does not agreed.
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