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Raal Ribbon Headphones - SRH1A

Discussion in 'High-end Audio Forum' started by once, Oct 7, 2018.
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  1. paulpaul
    I am about to hit the button. You mention the upcoming model and I would like to reconfirm that you are not talking about weeks or a few months down the road.
    HoloSpice likes this.
  2. Jerseyboy

    Pleased to see that the SR1-A is only the start of an evolutionary process ! Looking forward to experiencing future incarnations !!
    HoloSpice likes this.
  3. Aleksandar R.
    About the new models, I must clarify.

    These are just ideas now, thinking in which direction we will go.
    It will be at least a year from now to get to the prototype phase and then refining....maybe 18 before we have anything solid and a bit more to run-in the manufactiring...
    Zhanming057 and HoloSpice like this.
  4. jwbrent
    Thank you for your reply. I look forward to listening to the SR1a in the near future. I’m a big fan of ribbon drivers having owned Apogee speakers, and currently Raidho speakers.
    Last edited: Apr 2, 2019
    Aleksandar R. and Zhanming057 like this.
  5. Zhanming057
    Danny lives in Ventura so if you're in the greater LA area for some reason, I'm sure he would be happy to give you a tour of the workshop.

    @RAAL requisite Alex While I appreciate the professional-feeling durability of the SR1a's, I do feel that the overall presentation can be improved a bit. Hopefully as production ramps up the components can improve in terms cosmetic finish. I come from using a lot of Japanese and more modern Chinese equipment where a lot of effort goes into finer polish and details. But I understand that 1st gen products are hard to get right!
    jwbrent, HoloSpice and GuyForkes like this.
  6. Aleksandar R.
    Very unlikely that the quality of CF machining can be improved. What you see now is done by CF machining specialists and we manually polish the edges after them...
    Sure, many modern products are looking very nice, but there are no exposed edges of the structure, as those designs have been perfected for decades to cover the structure and edges with rings and bezels and grilles, made of different materials that are easy to make look good, or are simply painted.
    Even then, on a popular $6k product I saw casting burrs that are not removed from the inside of the grille casting...

    We have a conceptual difference in the design where all those exposed edges and interlocking grooves of the CF structure are in plain sight and Carbon Fiber, being a composite, is not a material that allows itself to be beautifully machined. Also, since there's no painting to cover the mistakes, we must care for it during the machining as if you scratch the surface, there's no method to polish out the scratch...

    We will definitely try to improve the epoxy pouring, but I still maintain that this kind of exposed CF structure can not be made prettier by anyone and cost the same.
    For example, we can do laser cutting of CF boards in California, but for about $1500 per side...If we cast the cage out of magnesium, it would be much heavier...

    In any case, we'll do our best to improve! I'm just saying that this kind of structure is tricky to deal with and we don't expect great leaps in that regard.

    But, the design of our future models will be in line with what everyone else does to beautify their product and I'm loving the challenge already!
    Last edited: Apr 2, 2019
    HoloSpice and Zhanming057 like this.
  7. Zhanming057
    Thanks! Assuming that I take the proper safety precautions (face mask, filter), I can polish the carbon fiber plates on my own right?

    They look absolutely fine in person, but the way I use lightning rigs often exaggerate polish marks and small surface scratches, and then they have to be photoshopped out.
  8. llamaluv
    This isn't a direct response to anyone in particular. Just wanted to say I love the functional aesthetics of the SR1a. Makes me feel like I'm not being condescended to as a user, which is saying a lot.

    Conversely, I so frequently resent the questionable aesthetic design decisions made by headphone manufacturers who are looking for superficial (and potentially expensive) ways to present the appearance of quality in order to justify questionable sticker prices. But let that be a rant for another thread...

  9. erik701
    I would like to see these headphones offered as system as well. SR1a Earfield Monitorsm or it's successor plus all in one box solution (Ribbon/Amp Interface + amp), something like Sonoma Acoustics did with Sonoma Model One. I think that many headphone enthusiasts would have no problem to spend let's say $6.000 for such a good headphone system, without need for additional speaker amp, which they do not own and wouldn't have any use for it anyway, because they do not own any speakers (room limitations or whatever any other reason).
    Just my 2 cents....
    marhol likes this.
  10. Zhanming057
    They (sort of) have a $6,000 system in the AHB2. Without solving a bunch of tricky engineering challenges, any system for the Sr1a is basically just the cans plus a speaker amp. A big advantage of the standard speaker amp over a direct current drive system is that the speaker amp can pull double duty as a great headphone amp.

    At some point I realized that the speaker amp world is at least as competent and far more interesting than the headphone amp world, and never quite looked back. If we're talking about the $3,000 price point, I would choose a power amp to drive just about every pair of TOTL cans outside of a few really sensitive ones.
    HoloSpice likes this.
  11. protoss
    Can you somehow please figure out how to make them more efficient! Like seriously. You will have a bigger and wider market and maybe even a more dominating force if you can somehow use them with a normal headphone amp.

    I want a someday project to be using a ribbon tech through a headphone jack on my cellphone!

    If not, I see Hifiman or Audeze might beat you to this first!

    And please, for other stop justifying nonsense speaker amps. I want normal headphone amps. Don't care about speaker amps are better debate.....
  12. Aleksandar R.
    If you do the "wet" method and use some polishing paste on a cloth, you can do it without the mask.
    HoloSpice and Zhanming057 like this.
  13. Zhanming057
    Thanks! I was told to always use a mask regardless of wet or dry polishing because some of the powder might get into the air regardless of method...this is for carbon fiber tubes for custom PC watercooling.

    Either way, this is good to know and something that I'd like to try soon :)
  14. Aleksandar R.
    Yup, that's the idea!
    We're kinda' reluctant to do so just yet, as our taste in amp sound is probably going to be different...
    maybe offering a few different options, but then without listening, how does the buyer make the choice...
    there are things to work out with this idea before we commit.
    HoloSpice and Zhanming057 like this.
  15. HoloSpice
    Exactly, keep it seperate.
    Aleksandar R. likes this.
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