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The Headphone Driver Pics Thread

Discussion in 'Headphones (full-size)' started by tyre, Oct 20, 2006.
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  1. frank2908
    When I built my own headphones using hd800 driver, the driver itself never exhibit very bright and peaky treble, unless in the wrong enclosure and earpads setting. The k100 32 ohm for me has this bright, so I decided to play around abit with the holes. Anyway I skipped it and play with the beryillium instead, just was smoother.I had some time to compare to my old k701, and the berrylium has better detail and mid, bass is entirely depends on your design, as the k701 has very open baffle and earpads, so oack of bass is expected. The bass of the beryliium is really fast
     
    Viber likes this.
  2. Viber
    I understand from other reviews that the K100 needs some play time to smooth out... that first review was for the 500ohm version as well.
    I dont blame you for your impressions, we all know how hard it is to get the right sound out of raw drivers.

    1.How low does the beryllium drivers go? can it do that ~35hz rumble?
    2.I ask because sometimes people call 'lean bass' that doesn't go below 60hz "fast bass".
    3.What was the impedance on those beryllium drivers you got?

    THANK YOU.
     
  3. frank2908
    The berrylium driver was 540 ohm, maybe it helps with the smoothness.
    I said bass is dependent on the enclosure, because you can make almost any driver tons of low fat bass by having a sealed chamber on the driver side, and with more open hole and the back of the driver, however mid and high and soundstage will be affected. I managed to even get the hd800 driver "rumble" this way,but on the other hand, this driver I would say is just a little bit easier to get good bass without affecting other frequency than hd800.
    The k100 on the other hand is the kind of driver you have to " damp" the bass. Berylium driver you have to "bring up" the bass a little bit.
     
    Viber and Slater like this.
  4. DrivenKeys
    If you read over Frank's posts, you'll see he's working with very high and exacting standards, with very specific goals and process. I have a feeling that many of us will have a different experience, based on our designs and ears.

    I dunno about you guys, but I've never even listened to the HD600, and I'm tired of the obscession for accuracy. I follow this thread to see what I should try when I'm bored of the Vali driver.

    So far, with that driver, I've made it both painfully bright or very dark by altering the rear dampening, without really affecting the overall profile. One piece of felt switched it from Beyer style highs to a Senn style upper range. When I tried other drivers in the same design, the difference wasn't nearly as pronounced.

    I scoured this forum for days before jumping in. Nowhere, anywhere can I find any mention of this potential. Most ppl repeat what the Vali reviews say. I'm willing to bet that, if we all bought the same drivers as Frank, we'd all have a different story.

    That said, I really appreciate all of Frank's diligent reports here, and look forward to more.
     
    Last edited: Aug 11, 2019
    nick n and Slater like this.
  5. iFi audio
    That's interesting! Several years back such drivers were unobtanium!
     
    iFi audio Stay updated on iFi audio at their sponsor page on Head-Fi.
     
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    Viber and Slater like this.
  6. Viber
    Yea, who the hell uses electrostatic drivers for earphones anyway? Stax and...?
     
  7. Roderick
  8. Viber
    Slater likes this.
  9. Scgorg
    The drivers linked here looks like they have very low impedance, which is the exact opposite of a "pure" electrostat, I'm guessing they hid some transformer or something so the amp sees a very low impedance load. The sensitivity is also a nice 97dB/W, not mW, which is probably just an error. I'm inclined to say the driver ought to be garbage, but who knows.
     
    Viber likes this.
  10. iFi audio
    Yup, something that would run on a regular amp most likely. And yes, who knows what this one might be all about.
     
    iFi audio Stay updated on iFi audio at their sponsor page on Head-Fi.
     
    https://www.facebook.com/iFiAudio/ https://twitter.com/ifiaudio https://www.instagram.com/ifiaudio/ https://ifi-audio.com/ info@ifi-audio.com
    Viber likes this.
  11. Raketen
    There have been some miniatures for a year or two AFAIK. Virtually every new ultra high price IEM announcement this year is a hybrid w/ an electrostatic tweeter (or three)

    The Sonion electrostat has a BA driver looking housing and a large passive amp/transformer thing attached


    The linked ones look a little like magnetostatic drivers that are starting to pop up in IEM designs.
    Or maybe electret? IIRC there have been some products marketing that as 'electrostatic' in the past.

    (magnetostatic illustration from an IEM press release)
    [​IMG]
     
    Last edited: Aug 15, 2019
    Slater likes this.
  12. eric65
    Hi all.

    50 mm electrodynamic driver with graphen coated (reinforced) membrane.

    [​IMG]

    [​IMG]

    Driver
    Graphene Membrane

    Driver Unit
    50 mm

    Frequency Response
    15-50000 Hz

    Sensitivity
    114 dB

    Impedance
    33 Ohm

    Maximum Input Power
    250 mW


    Source: https://kennerton.com/shop/magni-zebrano/
     
    nick n and Slipmyster like this.
  13. iFi audio
    Very nice. Graphene seems to the big word after beryllium.
     
    iFi audio Stay updated on iFi audio at their sponsor page on Head-Fi.
     
    https://www.facebook.com/iFiAudio/ https://twitter.com/ifiaudio https://www.instagram.com/ifiaudio/ https://ifi-audio.com/ info@ifi-audio.com
  14. Roderick
    Audio technica ath-w10vtg. IMG_20190816_215257.jpg IMG_20190816_215315.jpg IMG_20190816_215207.jpg IMG_20190816_215253.jpg IMG_20190816_215212.jpg
     
  15. iFi audio
    Doctor, doctor! Where's your scalpel?

    You're giving these drivers a new home? Or just refreshing their enclosure?
     
    iFi audio Stay updated on iFi audio at their sponsor page on Head-Fi.
     
    https://www.facebook.com/iFiAudio/ https://twitter.com/ifiaudio https://www.instagram.com/ifiaudio/ https://ifi-audio.com/ info@ifi-audio.com
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