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Lyr 3 - The new Coherence™ and Continuity™ hybrid amplifier from Schiit - Impression & discussion thread

Discussion in 'Headphone Amps (full-size)' started by ProfFalkin, Mar 20, 2018.
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  1. ProfFalkin
    Lyr3 front 1920.jpg

    Annoucement Video: https://www.facebook.com/video.php?v=1720440738014542

    Lyr 3 announcement post from Jason: https://www.head-fi.org/threads/sch...bable-start-up.701900/page-2026#post-14116733

    Schiit Store page: http://www.schiit.com/products/lyr-3

    Lyr 3 Announcement: http://www.schiit.com/about/news/schiit-introduces-lyr-3

    Frequency Response: 20Hz-20Khz, -0.1db, 2Hz-700KHz, -3dB
    Maximum Power, 16 ohms: 9.0W RMS per channel
    Maximum Power, 32 ohms: 6.0W RMS per channel (7.5W at <1% THD typical, one channel driven)
    Maximum Power, 50 ohms: 4.0W RMS per channel
    Maximum Power, 300 ohms: 900mW RMS per channel
    Maximum Power, 600 ohms: 450mW RMS per channel
    THD: < 0.007%, 20Hz-20KHz, at 1V RMS, high gain (worst case)
    IMD: < 0.005%, CCIR at 1V RMS, high gain (worst case)
    SNR: > 102db, unweighted, referenced to 1V RMS, in gain = 1.5 mode
    Crosstalk: < -75dB, 20 Hz-20KHz
    Output Impedance: 0.3 ohms, high gain (worst case)
    Gain: 7.5 (17.5db) or 1.5 (3.5db), via rear switch
    Topology: fully discrete, current-mode noninverting 6SN7/bipolar hybrid with constant transconductance output stage
    Protection: standard muting relay for delayed turn-on and fast turn-off
    Power Supply: two internal power transformers with 72VA total rating, plus with over 55,000uf of filter capacitance

    Starting this off with a quick question to @Jason Stoddard...

    Jason, which 6SN7 tubes are acceptable for use in the Lyr 3? I have some 6BX7 and 6BL7 tubes which sound very good, but I hesitate to use tubes not endorsed by the manufacturer in their products.

    This looks like a very exciting product, and I look forward to receiving mine very soon!
    Last edited: Mar 20, 2018
    YtseJamer likes this.
  2. Karlmalone1
    Awesome! Very much looking forward to some impressions
  3. ProfFalkin
    Added specs from product page.
  4. XERO1
    Call me crazy, but I'm really gonna miss the look of the Lyr 2.

    While I'm sure the Lyr 3 will be a sonic upgrade over the Lyr 2 (and I'll be getting one), IMHO it's an aesthetic downgrade.

    The Lyr 2 is just a thing of beauty.:heart_eyes: And it sounds pretty damn good too! :L3000:

    It's kind of a shame that Jason has decided to switch to the simpler and less costly chassis of the Jotunheim/Saga for the Lyr 3. And I'm sure all of the future mid-sized amp and DAC updates will use it too.

    Oh well. Change happens.
    Last edited: Mar 20, 2018
    Tacanacy and MWSVette like this.
  5. Alcophone
    I think it looks awesome, much cleaner (no screws, etc.) and I like the vent hole pattern. Not that I minded the look of the old one, but this is an improvement to me. In black, the difference would be even more pronounced.
  6. XERO1
  7. ProfFalkin
    I've always liked the Jot chassis. Putting the Lyr 3 in there is just fine by me.
  8. franz12
    I have never used a tube amp before. Sorry for my ignorance, but lyr had 2 tubes, and this lyr 3 has one tube. Does the number of tubes make any sonic difference? The look of lyr 3 resembles more like Vali 2 than lyr 2.
    I thought about cancelling or selling mcth in favor of this, but i changed my mind at least for now.
    The price of mcth is just half of this with the better technology (power switch on the front). Before I am jumping on this, I hope to see more comparative reviews between mcth and lyr 3, as the price point of mcth seems to be unbeatable at this point.
  9. ProfFalkin
    I doubt you will get many reviews quite yet. The Lyr 3 just came out today, and I can't confirm if they've started shipping yet.
  10. GenEricOne
    I'm still new to all of this, but isn't the prevailing wisdom of multibit DACs to leave them on all the time while the prevailing wisdom for tube amps is to only power them on when necessary? Where would that leave a Lymby?
    Tuneslover likes this.
  11. ProfFalkin
    It is my understanding that the dac card is powered by the usb bus. So, if you leave your PC on all the time as I do, it's fine.

    If you want to bypass this, use a powered USB hub which will do two things for you - decouple the dac from the pc usb power, and stay on all the time. Also, the Schiit Wyrd would do the same only better, I believe.
  12. XERO1
    GrussGott and Karlmalone1 like this.
  13. ProfFalkin
    Pretty sure he was serious.
  14. franz12
    half serious:grin:
  15. AlwaysForward
    He fronting
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