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Kaldas Research RR 1 Conquest ($500 Electrostatic)

Discussion in 'Headphones (full-size)' started by SHAMuuu, Feb 15, 2019.
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  1. chinsettawong
    [
    That’s too bad. It’s a lovely amp and I use it more often than any other amps that I have. It drives all my DIY phones pretty well too.
     
    MrTechAgent likes this.
  2. Whitigir
    Interesting!
     
  3. luvmusik
    MrTechAgent likes this.
  4. vrockz
    Hi,

    Would STAX SRM-D50 be able to drive the RR1's.
     
  5. roshambo
    Was there at CanJam and listened to the RR1's on a Mjolnir amp. Both myself and my friend were very impressed. A lot of bass for an electrostat, lowest reaching I've heard besides Voce. Very fast, coming from a planar they hit you as dry but enjoyably so. I'm not an expert on electrostats or electrostat amps, so I can't say how big a role the amp had here. All I can say is I'd take them over Jade II ANY day of the week. This was the most surprising and interesting product I saw at CanJam Socal 2019. For $500? If I had an e-stat amp I'd buy a pair, easily.
     
    Alcophone, zolkis and afgmjkl like this.
  6. LikeABell
    Does anyone here know whether Koss sells the E90 amp separately?
     
    Last edited: Jun 24, 2019
  7. Mani ATH 87
    This headphone looks very interesting. Sounds like a great headphone at a reasonable price, which is something this hobby is in desperate need of.

    The concerns with needing an electrostatic amp are real though...seems there's potential to add a fair bit of cost to them.
     
  8. roshambo
    Smartest thing Kaldas could do right now besides marketing is to find a partner that can provide a cheap e-stat energizer and/or e-stat amp they can package with the headphones. If they can produce a complete e-stat headphone+amp package below $999 I think that would make a few headlines.
     
  9. VRacer-111
    STAX has the basics covered for starting out... buy used STAX SRM-252S driver for a few hundred $ and you're good to go with your first starter sytem, or step up to used STAX SRM-323S/353X driver units for $500-$600. You can also use stereo amps with electrostatic transformers (like the Mjolnir Audio modded STAX SRD-7... which is the route I went after the SRM-323S because already had very good stereo amp that I wanted to see if was an improvement over the SRM-323S - it was most definitely a noticeable improvement in subbass/midbass, fullness of sound, punch, and dynamics.)

    Mjolnir Audio and others have you covered if you want to step up beyond what STAX can deliver.
     
    Last edited: Jun 25, 2019
  10. zolkis
    Sounds like an amazing headphone and that for $500.

    Hate me for asking it, but I can't help wondering what these guys could do for $1000 :).
    Could it be better, or just slightly better, or just slightly different? Is there any area of the design that could be improved if bound by a larger price cap.
    Or should we just accept that the RR1 already hits the sensible optimum (on the commercial-audiophile chart) for no more than $500? :)
     
    Last edited: Jun 25, 2019
  11. roshambo
    It's also fair to note that some have commented that the amp choice does have a noticeable impact on the RR1.
     
  12. MrTechAgent
    Should be fine!


    They don't. A very good used option is the SRM-1 MKII. I personally use that at home.
     
    Kaldas Research Stay updated on Kaldas Research at their sponsor page on Head-Fi.
     
    https://www.instagram.com/kaldasresearch/ http://kaldasresearch.com/
    vrockz and alota like this.
  13. MrTechAgent
    A lot can always be improved. I just heard these for the first time. Good but can be beaten.
    Contemplating if it's worth to buy it as a "Company Expense" or not :)

    20190623_150814.jpg
     
    Kaldas Research Stay updated on Kaldas Research at their sponsor page on Head-Fi.
     
    https://www.instagram.com/kaldasresearch/ http://kaldasresearch.com/
    tommyhtc, zolkis and Lord Rexter like this.
  14. alota
    Your next challenge: made similar for 1/4 price:o2smile:
     
  15. carlosgab
    1/8 is better:dt880smile:
     
    Last edited: Jun 28, 2019
    alota likes this.
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