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About Laowei

  • Rank
    Limited Edition Bronze Participant
  • Birthday 06/07/1957

Profile Information

  • Gender
  • Location
    Vancouver, WA USA


  • Headphones
    Stax SR-009, SR-207, SR-003mk2
  • Headphone Amps
    KGHV-Grounded Grid
  • Sources
    Mac mini > Schiit Eitr > Schiit Yggdrasil
  • Other Audio Gear
    DIY PP 6V6 amplifier. ALTEC Model 19 speakers. ALTEC 809C Bolero speakers modified with vintage Great Heil AMT

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  1. RIP some fuck or another

    Good night Jerry Lewis.
  2. Technical Assistance/Advice Thread

    My amp is dead quiet. In my 2 case GG, I tie PS and Amp grounds to a single star ground on the Amp chassis. IEC ground is connected at the PS chassis and then carried separately to another point on the Amp chassis. My input is the same as yours, with XLR pin 1 grounded to the chassis, but I leave the pot's ground left floating (with each L and R +/- signal ground connected for the attenuator to work). Being balanced, they will null. With your pot ground connected to the amp boards and then daisy chained to the PS board, possible ground loop there. Try disconnecting and see if the hum is still there. https://www.tortugaaudio.com/articles/humming-along-to-the-pin-1-problem/
  3. Happy Birthday sorenb!

    Happy Birthday Sorenb!
  4. Schiit Yggdrasil

    Never a fan of iTunes.I bought Pure Music early on. Tried the Amarra (meh) and Audirvana early demos. Was questionable if I heard a real improvement between them, but was not using STAX with Gilmore amps at that time. I ended up buying Audirvana and kept it. It's been massively updated with options over the last several years, and the SQ has improved too. Just now comparing to Pure Music, the latest Audirvana is quite a bit more transparent, resolving and clear. It shines with the Yggdrasil Gen 5 upgrade, IMO. You might consider trying the free Audirvana demo: https://audirvana.com/?page_id=3397 Later if you like Audirvana, there is really slick iPhone app for remote control: https://audirvana.com/?page_id=3620 I use it to run my Mac mini headless. Its really nice to use.
  5. Schiit Yggdrasil

    John, are you using any playback software like Audirvana, Amarra, HQPlayer, ....etc? Those work a lot better than iTunes.
  6. And now what did you do TODAY?

    So sorry to hear this. Condolences to you and your family.
  7. Schiit Yggdrasil

    Recieved and installed the Gen 5 USB upgrade yesterday. On first listen, it sounds more refined than the Eitr. A high value upgrade to the Yggdrasil. End of story for me (unless it breaks).
  8. Schiit Yggdrasil

    The older Gen 3 USB input originally shipped with the Yggy is not the best sounding unit out there. The Gen 5 upgrade is supposed to bring the USB input up to the AES/EBU input quality, which most who write on the internet seem to prefer. I don't have a lot of experience with AES/EBU input to the Yggy. Except with using a Mutec to convert from USB, which I really did not like at all. As with Theta Digital products, there is no Gen 4. I had a Schiit Eitr, the stand alone unit that inputs USB to a similar circuit to the Gen 5, and outputs SPDIF coax. In my brief audition, the Eitr sounded really good. Switching USB cables made no difference that I could hear. Switching coax cable still made a difference, so there was that variable. Unfortunately after a week, it quit holding lock and was dropping out about every 20 seconds. Tech help could not help, so back it went. Hoping the Gen 5 delivers this time on the Schiit marketing promises.
  9. Schiit Yggdrasil

    Sent back the non-locking Eitr to Schiit a week and a half ago. Received a full refund including shipping both ways, with no restocking charge. The Gen 5 self installed USB PCB upgrade became available today on the Schiit site. So I ordered up one for my Yggy. For a not outrageous price of $100 plus shipping. Hope it works better long term that the Eitr.
  10. Schiit Jotunheim

    Plus the tightly twisted output wires to the STAX jack. What's the Schiit with that?
  11. Schiit Yggdrasil

    Bought mine for next to nothing at the end of a Ham swap meet. The original owner did not want to lug it back home. Use it for first slow start up of tube amps.
  12. Schiit Yggdrasil

    Requires a little more concentration than the simple One Hand Rule.
  13. Schiit Yggdrasil

    That is a good price. Already have a variac: Yesterday, the room outlet voltage stayed right at 120.8VAC +1/-2 all day. More stable than I thought. After tech support emails back and forth with Schiit, the Eitr is on its way back for a refund. Will try the self install Gen 5 when available.
  14. Schiit Yggdrasil

    Good tip! Thanks. It's been hot here lately. So a heavy draw on the grid. Forecast for 110F Thursday. I'll monitor for a while with a Fluke.
  15. Schiit Yggdrasil

    Ouch! Schiit slap! 😂