Comments on Profile Post by E_Schaaf

  1. E_Schaaf
    E_Schaaf
    Between this, some new custom foam pads, Tommy making progress on the CNC build, and a few new designs in the works with great Mini sales to keep the lights on, we're set to make big strides by the year's end :)
    Mar 19, 2022
  2. E_Schaaf
    E_Schaaf
    First variant to be tested uses a pure copper voice coil, 24 ohms. It's a 50mm if that wasn't clear. Apologizes for garbage image quality
    Mar 19, 2022
  3. Sqveak
    Sqveak
    Looks like a cross between a fostex biodyna and a fostex sigma.
    Mar 20, 2022
    pure5152, Lyander, Gazny and 2 others like this.
  4. 9suns
    9suns
    Epic driver. If the headphone's finish and build quality are on par, that could be a home run.
    Mar 20, 2022
  5. Azimuth
    Azimuth
    Love it! Looks like a 45 rpm adapter shoved in there.
    Mar 20, 2022
    E_Schaaf and Lyander like this.
  6. BenjaminBore
    BenjaminBore
    @E_Schaaf Very nice.

    Can you share any stats on rigidity and damping vs other materials? Is it a mix of graphene and bio, or layers and in what order?

    Are the concentric mags to increase strength and/or to control the voice coil more linearly? Are they N52's?
    Mar 22, 2022
  7. E_Schaaf
    E_Schaaf
    @BenjaminBore One graphene layer on top of the bio substrate layer. The graphene is for rigidity but adds basically zero mass. Pleated diaphragm further helps with preventing cone break-up. I'm going to experiment with various driver coatings on these as well that will add some mass, mostly just to see what happens. I've been pointed towards propolis varnish. (1/2)
    Mar 22, 2022
    9suns and BenjaminBore like this.
  8. E_Schaaf
    E_Schaaf
    Concentric magnets to both strengthen and balance the magnetic field at the voice coil position. Should be 1.5T minimum. N52s to start with, but I'm also working on N55's and AlNiCo as well. (2/2)
    Mar 22, 2022
    9suns and BenjaminBore like this.
  9. BenjaminBore
    BenjaminBore
    That is one sexy little driver. Have you been able to listen to them yet? How much of that tactile slammin' sound can it reasonably maintain vs openness of cup/module and rear damping materials?

    The only thing with a motor remotely like it is the Utopia. And they don't have that lovely textured bio sound, and $$$$$$$$$$$$$$$$$$.
    Mar 22, 2022
  10. E_Schaaf
    E_Schaaf
    Not yet! Arriving shortly. Airflow on the driver frame should be as great or greater than most stock drivers (barring focal drivers) given most stock drivers are used with near complete blockage of rear vents most of the time. Very few drivers run with rear vents mostly open, but I'm hoping with some tweaks to enclosure design I can run these new guys wide open.
    Mar 22, 2022
    9suns and BenjaminBore like this.
  11. E_Schaaf
    E_Schaaf
    The current Mini driver also uses a graphene diaphragm, but no pleated face and only one N52 magnet, and a more typical CCAW coil. Pure copper voice coils are a rarity in headphone drivers and I'm excited to explore that as well. Maybe spc coil later on
    Mar 22, 2022
    9suns and BenjaminBore like this.