Ultimate Ears Pro Reference Remastered UERR (demos/universals)

Discussion in 'IEM Measurements' started by purr1n, May 26, 2016.

  1. purr1n

    purr1n Finding his inner redneck

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    Ultimate Ears Pro Reference Remastered UERR (demos/universals)

    Keep in mind these are demos/universals and may not reflect the sound of the customs! But these measurements do seem consistent with what people are reporting on hearing in the field (at least the universals).

    UERR Frequency Response

    UERR U FR.png

    UERR Distortion

    UERR L HD.jpg
    UERR R HD.jpg

    UERR Impedance and Phase (electrical)
    UERR Z.png

    UERR vs UERM Frequency Response

    Purple = UERM
    Yellow = UERR

    UERR and RM.png
     
    Last edited: Aug 23, 2016
    Francisk, Chris F, Mban and 7 others like this.
  2. JonCharles

    JonCharles Friend

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    Wow, two different flavors here. The UERM really does have a lot of air. Is the UERR really warm or even dull sounding in comparison?
     
  3. OJneg

    OJneg The Most Insufferable

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    UERR or Jupiter?
     
  4. purr1n

    purr1n Finding his inner redneck

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    For me personally, it would be Jup. The bass is slower paced on the UERR and not to my preference, although Ravi said the customs were much better in this regard. Think Audeze. The UERR is the IEM that Audeze fans would love!
     
    Last edited: May 26, 2016
  5. shotgunshane

    shotgunshane Floridian Falcon

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    I can assure you the Sine has a lot more treble presence than the UERR!
     
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  6. purr1n

    purr1n Finding his inner redneck

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    The Sine isn't a real Audeze. It only pretends to be.
     
  7. thegunner100

    thegunner100 Hentai Master Chief

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    These measurements confirm what we heard at the NY meet in February.
     
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  8. SingSing

    SingSing Facebook Friend

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    I have to disagree with this. I think it is because your using a universal version that isnt even being sold (the customs ones have a special 3 bore filter thingy in them) because those measurements do not correlate to what I'm hearing.


    The UERR IMO, has one of the biggest soundstages i've ever heard in an IEM, the FR sounds very flat to me except for a tiny slight sparkle in the treble and a touch of elevated bass. Calling them the "audeze" sound for an IEM is not accurate. again... IMO.(the uerr has way more bass than the uerm, so this is something that contradicts with your measurements also)
     
  9. zerodeefex

    zerodeefex Grumpiest admin

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    Why don't I send marv my customs to measure so we can put this to rest?

    And the Universals are functionally equivalent to the customs. The only change is the lack of custom fit and the need for tips to form a seal.
     
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  10. purr1n

    purr1n Finding his inner redneck

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    The universals have three bores as well.
     
  11. SingSing

    SingSing Facebook Friend

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    Hmm, well I don't know then. Would be interested in seing a measured custom version if possible.

    The main discrepancy for me is I don't get how the measured bass could be identical on both of them.
     
  12. shotgunshane

    shotgunshane Floridian Falcon

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    When I listen to them back to back, I feel like the RR is bassier but it could just be due to slower bass with longer decay. Some CSD's would be cool!

    As far as soundstages, the RM sounds much larger and airier than the RR to me, which is much more forward, intimate and centered.
     
  13. purr1n

    purr1n Finding his inner redneck

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    It's all relative. You can have the exact same bass, but if the treble is pushed down, then its going to sound bassier with warmer mids.
     
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  14. Serious

    Serious Inquisitive Frequency Response Plot

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    Most of the time when there are such subjective differences, the measurements will still look very similar, if not the same. For example I have the ADDIEMs and I still prefer the UERM bass although the UERM has audibly more distortion and slight rolloff. The Apple IEMs measure very flat in the bass with much lower distortion than the UERMs. AFAIK the CSDs in the bass look pretty much identical.
    It could very well be that the differences in the bass are due to different frequency response in the mids or treble. I think that even differences in the treble can change bass perception (what Marv said).
    The differences do sound like they would show up as differences on the CSDs, but most of the time they don't. It could even be that there are other factors to bass performance that aren't necessarily captured with our measurement methods, like how the small vibrations of the shell affect the ear canal, general IEM shell resonances, etc. I'm pretty sure that the shell material (and even the exact glue used to glue the drivers to the shell for CIEMs) changes the sound of IEMs a lot, but I don't have too much experience with that myself to be sure.

    Overall I'm not too suprised that people are hearing differences in the bass even if the curves (in the bass) look nearly identical, simply because of the huge differences from the upper mids on. I also find it interesting to see that they changed the midrange tuning for the RR with less 2-3kHz and slightly more 1.5kHz. I always thought the midrange tone was the UERMs strongest point.
     
  15. SingSing

    SingSing Facebook Friend

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    That makes a lot of sense actually, I noticed I always have the volume higher with my UERR then my UERM, likely because of the recessed high frequency, so by upping the volume your incidentally making the bass louder as well.

    That being said I still enjoy my UERR more than my old n' trusty UERM, I find music is just more enjoyable. MOAR bass(precieved), MOAR treble extension(proof in your measurements). And they retain the biggest thing that I liked out the UERM, soundstage. I kind of look at this like the HD800 vs HD800s argument.

    PS. You need a good amp for the UERR especially. They sounded like dildos out my ak380 (even with balanced, actually balanced kinda sounded worse then SE for some reason) likely do to the weak AK DAP amp section.
     
  16. Chris F

    Chris F Boyz 4 Now Fanatic - Friend

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    Super late to the party here but I'm surprised the measurements show no difference in the low bass. I hear the UERR as having significantly more bass extension vs UERM. Could be a universal vs custom thing with the seal etc... Tomorrow I'll grab my UERM from the office and bring them home to subjectively double check.

    @SingSing Higher volume required with UERR is mostly due to the sensitivity difference.

    BTW I use both on a regular basis now (UERM at work and UERR at home) and am really happy with both. They're kind of like Vanilla and Chocolate ice cream. They compliment each other perfectly; you can't go wrong. :) My only advice is that despite what the frequency response would lead you to believe I find that the UERR is less tolerant of poor quality sources then UERM which for me leads to listening fatigue. Hook it up to a great source though and it really shines.
     
  17. Chris F

    Chris F Boyz 4 Now Fanatic - Friend

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    I brought both home today. Trying to level match them is a pain but it appears I am wrong and the measurements are correct re: bass extension. I hear them as about the same.

    I guess I perceive better extension with UERR due to the frequency response delta.
     
  18. purr1n

    purr1n Finding his inner redneck

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    rejiggered measurements posted.
     
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  19. garfieldhh

    garfieldhh Rando

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    “Proprietary True Tone Drivers extend the frequency range and deliver a flat response to 18KHz.”
    but the frequency range seems against the introduction on the official webpage?
    very confused.
     
  20. La Cenric

    La Cenric Friend

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    Typical marketing buzzwords. But to be absolutely fair to UE, the True Tone drivers (read: drivers with different spout placement, in this case being a hole in the roof) do result in drastically improved extension, at least on FR. Consistently good extensions can be seen on models like UERR, UE18+ or the 64 Audio Tia models like A18 and Fourte.
     

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