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ATTICUS and EIKON, the new dynamic driver headphones from ZMF

Discussion in 'Headphones (full-size)' started by hisoundfi, Oct 1, 2016.
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  1. Hisoundfi Contributor
    Thanks for mentioning. I added a note under the source selection section of the review to make light of what you're saying. 
     
    And yes, the ZOTL is the amplifier I used and got the best results with. 
     
    Cheers and thanks
     
  2. mysticstryk
    What makes the ZOTL so different?
     
  3. Pharmaboy
     
    I have a question which may be misguided (or not): was the Atticus HP you reviewed one with Zach's final Atticus voicing/tweaks? Or was it a pre-production model that predated his  finalization of the sound?
     
    A few pages ago those final Atticus tweaks were described--if I recall, primarily consisting of a slight lowering of the mid-bass. So I just wondered if that's what you heard & reviewed.
     
  4. Hisoundfi Contributor
    What I heard was a more controlled response that handled resonance better. To be honest the ZOTL (with stick tubes) made the Atticus sound leaner, but without losing its musicality.
     
  5. Hisoundfi Contributor
    That would be a good question for Zach to answer.

    Zach?
     
  6. zach915m
     
    ZOTL = 2 ohms, most OTL amps have an output impedance of much higher, the Decware output is 60 ohms.
    @Hisoundfi has the final version of the Atticus, the mid bass was slightly lowered, but is now much more controlled because of the physical changes to the driver.  For those that don't like a warmer/slightly mid-bass accentuated/lush sound, the Eikon is more the way to go.  I love them both.
     
     

     
    ZMFheadphones ZMF headphones hand-crafts wood headphones in Chicago, USA with special attention to exceptional sound and craftsmanship. Stay updated on ZMFheadphones at their sponsor page on Head-Fi.
     
    https://www.facebook.com/ZMFheadphones https://twitter.com/ZMFheadphones https://www.instagram.com/zmfheadphones/?hl=en http://www.zmfheadphones.com/zmf-originals/ contactzmf@gmail.com
  7. mysticstryk

    Thanks! Valhalla 2 might make for a good pairing then possibly. 3.5 output impedance on low gain.
     
  8. zach915m
     
    Yeah, I should amend my statement to saying, if you like a more linear type sound with the Atticus, an amp with a low Z like the Valhalla (on low gain) or the ZOTL does awesome.  For me gimme that lush lush decware 60 ohm output!
     
    ZMFheadphones ZMF headphones hand-crafts wood headphones in Chicago, USA with special attention to exceptional sound and craftsmanship. Stay updated on ZMFheadphones at their sponsor page on Head-Fi.
     
    https://www.facebook.com/ZMFheadphones https://twitter.com/ZMFheadphones https://www.instagram.com/zmfheadphones/?hl=en http://www.zmfheadphones.com/zmf-originals/ contactzmf@gmail.com
  9. jelt2359 Contributor
    Thanks Zach. I just took delivery of a low Z amp. Look forward to trying it with the Atticus!
     
  10. zach915m

    Listening to the Audio-GD Master 11 with the Atticus right now, LOW Z solid state or otherwise amps do sound very clean on these, definitely a departure from some OTL amps.  Both the Eikon and Atticus will be "social butterflies" so to speak, adapting to whatever you put around them because of the 300 ohm drivers.
     
    PS - what amp?
     
    ZMFheadphones ZMF headphones hand-crafts wood headphones in Chicago, USA with special attention to exceptional sound and craftsmanship. Stay updated on ZMFheadphones at their sponsor page on Head-Fi.
     
    https://www.facebook.com/ZMFheadphones https://twitter.com/ZMFheadphones https://www.instagram.com/zmfheadphones/?hl=en http://www.zmfheadphones.com/zmf-originals/ contactzmf@gmail.com
  11. DoctaCosmos
    "Switching from Atticus to Eikon, the Eikon seems initially crisper and almost shouty in comparison". This and mentioning an upper midrange emphasis scares me about the eikon. My ears are super sensitive to this. Asking to switch from the eikon to the Atticus seems like a no brained for me except I'm a sucker for "black backgrounds" and worried about the kids of the Atticus being to lush and me constantly hearing the coloration carry over to genres of music I don't want it carried onto. Also, from what I've read , the eikon see,s to be the better driver so how does one accept a lower standard when I have the resources for the "better" option
     
  12. ProfFalkin
    Zach could have told me he made the driver out of rainbows and unicorn farts, and I still would have purchased it after I heard it. As long as it sounds great (and it does) that's what is important, eh?
     
  13. PacoTaco

    The Eikon doesn't have an upper-mid range emphasis. It just has one compared to the Atticus. Neither headphone is outright better than the other. They're both equally fantastic at what they do. Besides, the Atticus is made from the same kind of driver as the HD800, iirc (the TPE.) The only thing the Eikon has on the Atticus on a technical level is the speed and maybe slightly better THD (though clarity is fantastic on both.)
     
  14. mwhals

    Forgive my ignorance, but I found nothing on Google for buying a Low Z solid state amp. I am looking for something that pairs well with these, but does not color the output of my QP1R. I prefer portable.
     
  15. The_Blood_Raven

    The vast, vast majority of Solid State amplifiers are "low Z (or low ohm its also called)". The Schiit solid state amps all have output impedance (Z/ohm) of around 1 ohm. A notable exception is the A20 from Beyerdynamic that has an output impedance of around 100 ohm since Beyerdynamic still designs around outdated standards.

    The reason any of this matters is something called "damping factor". Generally a damping factor of under 8:1 (headphone/driver impedance:amplifier output impedance )can affect the frequency response of a driver. The lower the ratio, generally the "warmer" the drivers will sound. Note, that this mostly only works for dynamic drivers and not for planar drivers which have entirely linear impedance curves and so are unaltered with damping factor.

    For reference your QP1R has an output impedance of well under 1 ohm, according to the manufacturer. That would be a damping factor of 1200:1, roughly. After like 8:1 damping factor should make no audible difference, so you're good to go if you want a high damping factor/no added warmth from damping factor.
     
    Wilashort, XtT, DoctaCosmos and 5 others like this.
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