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The JPS Labs: Abyss AB-1266 Impressions Thread

Discussion in 'High-end Audio Forum' started by scolaiw, Jun 5, 2013.
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  1. astrostar59
    What is the consensus on the fit now we are this subject? I seem to prefer the headband on max width at the bolt. Out of the box from new, the frame was wider at the top than the bottom by maybe 3° roughly. I fairly quickly slightly bent the frame out so it is now vertical as it suited my head. And have the cups with the seems at 10 o'clock.

    This results in the pads barely touching my ears, the main contact is above the ear on the pads.

    The idea on a 3D printed mod on an air gap may have merits, but if it would work well, wouldn't JPS applied that idea already? IMO I believe existing gap and the fit all expand the soundstage, so it avoids falling into the 'tiny room' acoustic of the inner pads having a close contact (traditional fit) to the ear / head.

    Thoughts?
     
  2. mulder01
    I think Joe replied when this mod was first posted and yeah I think they did try it.
    The solution that they have gone with (the rigid but adjustable headband and rotatable cups) has a user customisable bass response where as a tighter fit with fixed porting wouldn't have that. And as loose as they feel, they never actually fell off as long as I owned them.
     
    FLTWS likes this.
  3. GU1DO
    I really wish they do discount more frequently , already the profit margin on them is more than adequate :D
     
  4. mt-hifidelity
    Its possible that I'm either a) too weak to bend the metal headband sufficiently, or b) my girlfriend is correct that I'm big-headed, and therefore the Abyss fits snugly no matter what I try.
    The designer of the custom baseplate gave me instructions on how to customize the amount of air-gap. I'll update everyone on my experience once I get everything setup.
     
  5. Joe Skubinski
    Be very careful when handling loose magnets (in this case 36 of them). If one of them manages to get loose the 1266 driver might suck it in and give you mono.
     
    ABYSS Headphones We engineer, machine, and build our headphones from scratch in New York, USA. Stay updated on ABYSS Headphones at their sponsor page on Head-Fi.
     
    https://www.facebook.com/AbyssHeadphones https://twitter.com/AbyssHeadphones https://www.instagram.com/abyssheadphones/ https://abyss-headphones.com/ info@Abyss-Headphones.com
  6. mt-hifidelity
    Good point @Joe Skubinski. I would love it if there was a simple insert that I could put between the earpad and the driver so no mods would be necessary. What do you think about that? If I'm not confident in my DIY ability and could mess up the TC then I may skip this altogether and just leave it be. We shall see...
     
    tholt likes this.
  7. tholt
    :laughing:

    Is this mod meant to replicate or be a substitute for the CC pads? Not sure how it would be equivalent.
     
  8. Olumm
    so... do the CC pads at $400 allow you to get a full seal and not lose any dynamics? If so, that's well worth the price to someone like me.
     
  9. tholt
    The CC pads, combined with the headband, allow you to tailor the sound to your liking.
     
  10. Litlgi74
    The magnets are wedged and glued into the spacers of the baseplate... There is really no chance for the magnets to enter the driver portion of the headphone.
     
  11. Joe Skubinski
    Spacing the ear pads from your head offers two advantages, the gap sets driver damping in the low freqs and adds a slight bass hump around 30-40 Hz, and the acoustics change as you open up the gap, creating more of a sense of space.

    The mag ring mod I believe was made to maintain clamp force yet allow for an adjustable break in seal for the bass, but it does nothing for acoustics. The owner designed it with the old 1266 ear pads, have to remove the stock mag ring (no going back) and glue on the 3D printed one. It's a cool design but personally see no reason for this mod.
     
    ABYSS Headphones We engineer, machine, and build our headphones from scratch in New York, USA. Stay updated on ABYSS Headphones at their sponsor page on Head-Fi.
     
    https://www.facebook.com/AbyssHeadphones https://twitter.com/AbyssHeadphones https://www.instagram.com/abyssheadphones/ https://abyss-headphones.com/ info@Abyss-Headphones.com
  12. ray-dude
    A gentle reminder to DIY'ers: Small magnets are extremely dangerous if swallowed (small kids, pets, etc). They can easily do serious damage and rip up intestines, etc.

    When working with small magnets, make sure to count how many you have when you start work, and make to account for every single one when you finish your work. If you start with 10 small magnets, make absolutely sure you count and can account for ALL 10 magnets before you wrap up for the day.
     
    HiFiGuy528 likes this.
  13. GU1DO
    that what they say , i dont know , i dont have issue with the pads i have, specially they are almost like new,
    but i wish they make a simple spacer that could be used with old pads and not charging above 50$
     
  14. mulder01
    You expect spare parts for a $5000 headphone to be under $50... hmm...
     
  15. GU1DO
    Do you expect it cost 5000 to make :wink:
     
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