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About LowOrbit

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  1. Download the HQPlayer trial version - the manual is included in the installation folder. There is a list covering the basic nature of each filter and modulator. Pretty basic, but help to give you an idea. I am using the program in pretty much this way, upsampling PCM into a Hugo TT2. I haven't tried the M-Scale yet (Covid interrupted the fun) but upsampling to 705/768k using Sinc-M or L (or Polysinc Long) bypasses the first stage WTA filter and adds markedly to the depth of the reproduction.
  2. Yeah - powerful tube amps of suitable quality are uncommon and uncommonly spendy. Chris probably has access to the best, but a pleb like me ain't planning on dropping that much moolah. I never messed with the Ncore input buffer, and yes they are pretty clean and transparent. Never convinced me they were "better" than a good Class A/B amp, but still pretty good. Purifi is a project for 2021 (assuming there's still civilisation out there to bring stuff I want to my bunker...) but I think the Chord DAC has enough voltage out in AMP mode to bypass the buffer stage. From wha
  3. I've been thinking diy Purifi too, the older Ncores worked pretty good into the Raals, but the JotR works better for me. I'm thinking Hugo TT2 (unless that gets replaced Mola Mola stylee) in AMP mode into the Purifi module without buffer. Question is just how transparent that interface box really is.
  4. LowOrbit

    HQ Player

    Hi You may find that the cpu load may show as 50% but the core(s) running the ASDM7EC modulator is not able to process fast enough to keep the output realtime which causes the stuttering you are hearing. 4.2ghz is possibly not fast enough for this process. It may help if you are running a lightweight filter, but you may simply need to try a less heavy duty modulator.
  5. To be pedantic (sorry) - USB is serial too. Universal Serial Bus. SPDIF sends the data in l/r frames and the dac uses the frame rate to derive the clock rate. USB sends data in bursts at a fixed rate (24mhz iirc) and the dac buffers them. The sample rate is explicitly communicated in each burst. The clock renders the data into frames, reads out the buffer (again serial) into the decoding circuit and sound comes out the other end. So the USB data clock should not matter at all - but many discover that it does.
  6. I use HQPDControl all the time. Works great. There is a graphic button on HQP Desktop Server, to the right of the transport controls. Sort of a grey box with a green thing. Next to the disk icon. Should be "pressed" to enable remote control.
  7. LowOrbit

    HQ Player

    Thanks for the pointer. Uninstalled all the Cuda guff and just update the drivers. Make no differential, still getting regularly brief interruptions at 256Fs. Dropping to 128Fs, all is good.
  8. LowOrbit

    HQ Player

    I've installed CUDA 11 and HQP Desktop 4.7 this morning on my i9700K based Windows machine with BIOS defaulted. 16gb RAM, using either SINC L or Sinc S @ ASDM7EC/256fs. I have a 2080ti GPU, Multicore DSP Greyed, CUDA Offload ticked, Adaptive Rate ticked. I use NAA via IPv6 backend, just to complete the picture. I get a brief drop out every 5 - 10 seconds, only tried with one redbook rip. Reverting to Desktop 4.6 and the dropouts disappear.
  9. LowOrbit

    HQ Player

    I upgraded to HQP Desktop 4.6.0 this morning and have been listening to some familiar music using the new Sinc L filter. Early impressions indicate a nice step forward in retrieval of low level detail and a nice musicality. I like it. It does seem to present a very calm, clear portrait of the music. I am running ASDM7EC at DSD256 from my i7-9700K/RTX2080ti pc via NUC/Audiolinux. Thanks Jussi.
  10. Well if people post rave reviews on popular audiophile websites, Chris, orders will be placed. Maybe you should have given Danny a heads up so he could get some more units on the shelf. As an aside the Jot R had been playing constantly more or less for a week now, and I am happy. Not as fancy as the PassLabs amps, but a good step forward from the Hypex Class D amps I was using with the interface box. Prompted me to do some work on my DSD "dac-less" source, and I am very happy with the system sound now.
  11. AKM 44XX dac chips can be configured so that when DSD input is detected, the data is sent directly to the output modulators. This removes internal dac decimation/upsampling/filtering from the reproduction of dsd, a purer options especially if you do DSD in software (e.g. HQPlayer etc).
  12. Holo Audio are distributed in US by Kitsune Hifi and in Europe by Magna Hifi. Wildism are the main stockist in SE Asia. I can't comment on relative performance of the May against those other r2r DAC's, but it seems like a very well engineered device.
  13. Yes - Raal will sell you a combo of SR1a and the Jotunheim R (I think rebranded as Raal FOS (Full of Schiit)). That way, if you have no intention of using speaker amps in the future, you don't buy the interface box. You can also buy with that, for flexibility should you anticipate that you might explore the limits of the earfield monitors over time. I can't comment yet on the Jotunheim R for performance, mine is shipping today.
  14. So nice to read a review where the reviewer reins in his enthusiasm and controls his response at the outset, to keep us all intrigued to see how the journey unfolds🤣 So you liked them, yeah? Great review Chris - I'd write more but I have to get back to my Raals. I keep almost buying the Jotunheim R, but they sound damned good on the Ncores. And anyone mentions the GBP4k Raal HS1a amp and I have to look away...
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