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MrSpeakers Alpha Dog Revealed! - The World's First Production 3D-Printed Headphones

Discussion in 'Headphones (full-size)' started by jude, Aug 9, 2013.
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  1. vaed
    Thoroguhly enjoying my Alpha Dog at work. One problem though, and it's actually been a problem since my AD's were MD's. It seems that the right cup doesn't seal on my head as well as the left cup, and it feels awkward. I think I may have bent the headband unequally; is this a likely diagnosis? A current band-aid solution is lowering my right cup further than my left, which makes it feel more even.
    here's a picture of the AD's on their stand, where the imbalance is apparent:
  2. imackler
    I hope this doesn't sound stupid but have you considered whether your ears aren't level? I know that mine aren't...
  3. vaed
    Uhh... wow... I actually never considered this one, haha. Not stupid at all, quite insightful actually. [​IMG] 
  4. DaemonSire
    +1 Me too
  5. koolas
    I got better seal by shortening leather part of the headband (see some previous posts).
  6. mrspeakers Contributor
    Alpha Dog measurements on Innerfidelity for the curious.  Alpha Dog
    MrSpeakers Make every day a fun day filled with music and friendship! Stay updated on MrSpeakers at their sponsor page on Head-Fi.
    @funCANS MrSpeakers https://www.mrspeakers.com/ info@mrspeakers.com
    skeptic likes this.
  7. AnakChan Moderator
    Doggie Treated version of the Alpha Dog?
  8. tehsprayer
    I am curious as to if he used the black felt discs with the AD measurement. At the little talk with Dan & Tyll is when he tested he enjoyed the ADs with one disc more than no disc and 2 discs
  9. swspiers

    I can't wait for this review!
  10. mrspeakers Contributor
    Yes, he played with the vent and the treats.  
    MrSpeakers Make every day a fun day filled with music and friendship! Stay updated on MrSpeakers at their sponsor page on Head-Fi.
    @funCANS MrSpeakers https://www.mrspeakers.com/ info@mrspeakers.com
    tehsprayer likes this.
  11. jazzman7
    I'm happy to see Tyll's measurements on these.  I'm curious which setup this one corresponds to (most likely one disc).
    I've compared Tyll's frequency response of the Alpha Dog to some other measurements in his database and find that the Alpha Dog's matches that of the pre-fazor LCD-2v2 quite closely except for the very extremes.  The Alpha Dog has a bit more mid- and sub-bass (+4dB or so), and the Alpha Dog rolls off after 10kHz -- these are the two main differences.  The midrange and lower treble of the Alpha Dog is close to all of the Audeze offerings, in fact.  
    I also call your attention to the graph NEXT to the frequency graph -- the one titled "Isolation".  That curve is one of the best in Tyll's database if sound isolation is your goal. In fact, it rivals the Howard Leight Sync which is a passive-only isolation-first headphone with a ragged frequency response (although the Sync does isolate better in the midrange).  Two thoughts come to mind:  1)  With a little DIY electronics, the Alpha Dog could turn into an incredible active noise cancellation headset from an acoustic isolation point of view (not saying anything about the sound -- usually such systems mess up the system fidelity IMO).  2)  Even without any active noise cancellation, the Alpha Dog is a great isolating headphone.  It makes me think I should take it to the racetrack the next time I attend a race.  The size of the headphone is not a problem there, and the automotive paint would even fit the venue.  
    EDIT:  I just checked the difference, and Audeze LCD-2 ver 2 and Alpha Dog come to within +/-4dB of each other from the subbass to 10kHz -- and this is without any measurement smoothing on Tyll's data.  If smoothing is applied, I would think the difference would fall to within +/-3dB, which many would recognize as the old-school similarity tolerance for frequency response.  When I first heard the Alpha Dog, I told Dan that I don't think it needs any EQ.  Given that my own sonic signature preference falls squarely within the Audeze camp, now I have some confirmation as to why.   I have both of these headphones, I listen to both, and I keep the EQ flat on both. 

  12. wahsmoh
    Nice insight. I like that it measures very closely to the LCD-2v2 which puts it in the ballpark to play with the flagship headphones. A very nice $600 headphone that matches my sound preference.
    I do wonder though how the Alpha Dog would sound with active noise cancellation. A marketing idea to break into the mainstream? Eep scratch that idea anything related to the Beats market makes me sick to my stomach.
    Maybe an audiophile's dream upgrade from the Bose QC 15?
  13. jazzman7
    The DIY project in my mind is to forget about pumping high quality sound through the ANC circuit and focus on making the best active isolating earmuffs one could make.  The Alpha Dog is a good start because it isolates the high frequencies of the outside world so well -- ANC is only effective at low frequencies due to physical wavelengths, and usually below 500Hz. 
    Although I like ANC and use it when I fly at times, I think it is a bit at odds with high fidelity sound in the way it is implemented in consumer products.  
  14. koolas
    One day there was a fire alarm in my company and people started leaving office. However I had Alphas on my ears and my eyes completely focused on computer screen. I didn't hear the alarm! If didn't suddenly look away from monitor I would have been the only person who stayed in the office. Dangerous Alphas ... :D
  15. tehsprayer
    Has anyone experienced more bass out of one side? I'm not sure if it my ears or if my right ear cup driver has more bass than the left. It is probably me but is this normal?
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