MYSPHERE 3.1-UNIQUE in SOUND&DESIGN&BUILD QUALITY

Discussion in 'Headphones (full-size)' started by nomax, Sep 8, 2016.
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  1. JaZZ Contributor
    Hi Arnaud – nice surprise to meet you here!

    Scientifically backupped or not – it's my conviction based on own experiments, primarily with speakers in this case. Put a metal grid in front of a tweeter, and you'll hear what I mean. Even worse if it has just the openness (total area of the holes relative to the whole grid surface) of a typical electrostatic electrode. Another descriptive example are compression drivers, usually combined with a horn. If you leave the horn away, the sound becomes thinner and brighter. If you leave the compression element away, the sound becomes «normal» again, but much quiter. And much smoother, as it lacks the metallic sharpness that was present before. You can't deny that air acceleration through holes with sharp edges causes turbulences – which are prone to make the sound harsh in my experience. However, that's just one aspect of electrostatics' problems. The other one may have even more weight: the double metal plate in front and at the back of the membrane. They cause massive reflections on them and between them. Think standing waves between the stators and between stator and head/ear.

    Years ago I had a great listening experience with a prototype pair of plasma tweeters. Although the intergration to the system seemed somewhat lacking, the openness, spatiousness, airiness and effortlessness was breathtaking. I never heard a tweeter sounding as natural as this one again – because it was never produced. Some time later I had the opportunity to audition a prototype pair of Magnat's plasma tweeter, the flame encapsulated in a fine spherical metal grid. It sounded good, no doubt, but had a slight metallic sheen to it and lacked the naturalness and openness of my previous encounter. The final version was presented at a hi-fi show. Instead of just one metal grid it had three of them, each within the other – it had turned out necessary to shield the flame against the emission of radio waves and ozone. Now to my ears this tweeter had lost all of its justification, the sound was more metallic and unnatural than any metal-dome tweeter I had heard to date.

    Did you know that in the sixties and seventies many of the German speaker manufacturers used sheet metal as front guards for their speaker boxes? By and by they learned how bad this was for the sound – German speakers had the reputation to sound technical – and changed over to textile front covers, which was indeed beneficial for the sound – and their reputation.

    In my book the Mysphere is even farther away from on-ear headphones than typical open over-ear headphones – in that it enables the pinna even better than the latter to decode the spatial information from a soundfield that's less polluted by near-field reflections and the shell effect. On-ear headphones on the other hand barely involve the pinna as a decoding instrument – that's the main reason why they sound so «close». The next increase in this direction would be IEMs.
     
    Last edited: Mar 22, 2018
  2. dm24
  3. ruhenheiM
  4. dm24
    Few hundred made - $2000.
     
  5. ruhenheiM
    yeah from that article. have you seen one?
     
  6. dm24
  7. FritzS
    http://tmms.co.jp/EFD/Industrial_issues/Plasmasonic.htm
    https://www.audioasylum.com/messages/general/335595/
    http://www.laborantes.com/iono2.htm
    http://www.laborantes.com/elst2.htm

    Plasma is a real good way, but there are some other problems
    1) Ozone, nitric oxyde (near head unworthy of discussion)
    2) HF field near head
    3) Linearity of HF modulator - if using RF he needs an AM (amplitude modulator).

    HF radio frequency
    RF radio frequency

    Magnat used a plasma tweeter past time ago, but we could them smell.
     
    Last edited: Mar 22, 2018
  8. dm24
    It was some 30 years ago. Now we have year 2018, new technologies...
     
  9. dm24
    Mysphere unboxing from Woo Audio
     
    Matrix Petka and Narayan23 like this.
  10. dm24
    MS 3 Axpona 2018.

     
    bozebuttons, Matrix Petka and hrklg01 like this.
  11. hrklg01 Contributor
    @dm24,
    Thank you for the quick overview, It's like you described the acoustic project targets.
    :)
     
  12. bosiemoncrieff
    Heh, might be my next headphone.
     
  13. dm24
    Mysphere in Woo Audio Showroom at Axpona 2018

     
    FrostyP likes this.
  14. dm24
  15. dm24
    Hallo friends !

    At last friday, i had the great pleasure to hear this ultimate piece of personal sound projection at LB-acoustics Messgeräte Headquarter in Vienna, Austria.
    They are looking awesome, the comfort for me was after a while really very, very good.
    At first minutes, i had a little problem with deepest bass, but later and later was everything just right ! The bass texture, fantastic naturality of voices, neutrality.
    Patricia Barber, Diana Krall, Kurt Elling, Martin Breeze on analog record from Kostas Metaxas recorded on Stellavox tape recorder...The openess of
    the sound panorama is phenomenal. The most open headphone or headspeaker which i heard.
    The system is realy electrostaticlike quick, (as impulse response on myspere.at explains) . After 90 minutes of intensiv listening of many styles from jazz,
    classical music, to art rock, progrock, its clear for me this stunning piece of High End Audio Gear will be mostprobably my (next to the last) last Window
    to the fantastic cosmos of music.

    HEADPHONES ARTS : CLOSED, SEMICLOSED, SEMIOPEN, OPEN,..................MYSPHERE

    dm24 Mysphere Hearsession Wien LB-acoustics.jpg
     
    Last edited: May 3, 2018
    FritzS and Matrix Petka like this.
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