Recent content by oratory1990

  1. oratory1990

    Oppo PM-3 : The Portable Planar - Impressions

    They're on my radar already, thanks! I think I'll go that route
  2. oratory1990

    Oppo PM-3 : The Portable Planar - Impressions

    Has anyone had to replace their headbands yet? Mine is flaking quite a bit. I replaced the earpads already (with sheepskin ones, no effect on the sound!) but now it's the headband's time to go
  3. oratory1990

    CanJam New York 2025 (February 22-23, 2025)

    Well, I did gain a bit of weight since that picture :beyersmile:
  4. oratory1990

    CanJam New York 2025 (February 22-23, 2025)

    I'll hold a seminar, you can come talk to me after. Or if you see me walk around the area, just come say hi!
  5. oratory1990

    CanJam New York 2025 (February 22-23, 2025)

    My own measurement setup is not ready yet (delivery times, man...) But if there's a rig there we can measure your headphones together and look at the results :) Lewitt does not sell headphones :)
  6. oratory1990

    Headphones equalizer tools recommendation

    And what exact data did you compare? The data you were being sent by Audeze was likely from their production line test, which is measured using a KU100 binaural microphone (not an acoustic head simulator, despite it roughly looking like a head). My measurements were done on a Type 4.3 ear...
  7. oratory1990

    Unveiled: Meet the HD 620S

    Correct, somewhere at 100-105 dB at 60 Hz is where the distortion might become audible (depending on the music of course). At mid and high frequencies the distortion will not be audible. Note, "audible distortion" does not necessarily mean that it'll sound worse, just that it might be...
  8. oratory1990

    Unveiled: Meet the HD 620S

    The "Rock" EQ setting on Apple Music is basically a slight V-shape:
  9. oratory1990

    Unveiled: Meet the HD 620S

    "Q as slope" is the one to use if you want to use a Q-factor other than 0.71, and are working with the center frequency of the filter. The "slope in dB" one works using the slope parameter as opposed to the Q-factor parameter. You can calculate one if you know the other. The "corner frequency"...
  10. oratory1990

    Unveiled: Meet the HD 620S

    HD620S measurement results A HeadFi-user recently sent me their HD620S, I thought some people in here might be interested in the results. Positional variation Frequency Response The results below show an average across multiple positions of the headphone on the measurement setup. Also shown are...
  11. oratory1990

    IMR Audio : Sonic Adventures & Impressions

    USound also has speakers that do not require DC bias. It was tricky to do and required some advances in material science (ensuring epitaxial crystal growth), but we got there! The DC bias is required so that the operating voltages stay clear of depolarization peaks (depending on the voltage...
  12. oratory1990

    RAAL 1995 Immanis

    Do you have a link?
  13. oratory1990

    RAAL 1995 Immanis

    There's a reason why I prefer flying out of SBA or SNA and try to avoid LAX. It's not just the airport, it's also the fact that in order to get anywhere, you have to *drive* to/from LAX first :D Sure thing! September works for me.
  14. oratory1990

    RAAL 1995 Immanis

    That should not matter - as long as the unit you send me is representative of the design in general. As others have said, I don't make a business out of reviewing, though of course I will listen to the headphone and if someone asks me my opinion, I'll give it. We can discuss the measurement...
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