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Oppo HA-1 Impressions Thread

Discussion in 'Headphone Amps (full-size)' started by aamefford, May 7, 2014.
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  1. zilch0md
    You can connect an Apple Touch, iPad, or iPhone (non-wirelessly), using a CCK (Apple Camera Connection Kit) and a standard "USB Type A male" -to-" USB Type B male" cable, connected to the USB input of the HA-1, then use Spotify or Tidal apps, for example, to stream via Wifi. The iDevice would be "tethered," but it works really well and the iDevices have a very low noise floor compared to some other sources you might use with the HA-1's USB input (like a noisy laptop).

    The good news here, is that (I'm pretty sure) the HA-1's USB receiver is self-powered - it does not require the USB source to provide 5VDC - which the iDevices cannot do. They can only provide data, not power to a USB DAC.

    I use an Uptone Audio USB Regen to improve the USB signal quality right before it goes into a different DAC. If I'm incorrect in my recollection that the HA-1's USB input is self-powered, you could consider getting a USB Regen, which can supply very clean 5VDC power to USB receivers that are not self-powered, in addition to cleaning up the USB data.
    Last edited: Aug 17, 2017
  2. Herbie151
    Thanks for that - i have no real interest in Tidal, and spotify etc. I'm really looking to stream up my hard drive computer music from another room through ethernet connection. I have 65,000 tracks of (curated) music with all the metadata correct etc, so it's this im trying to stream up to the HA-1 unit via homeplugs. I am an android user. Cheers.
  3. makan
    This is what I found on a previous post

    So far, I've found two annoying things with the Oppo, both involving mute. One, I can't believe there isn't a mute button on the unit itself; basic functions should never be limited to the remote. Second, the HA-1 lets you mute the pre-amp section but I wish you could also do the opposite and only mute the headphone section for whenever you are using it strictly as a preamp. I am pretty sure I can hear the output of my open headphones even as my active monitors are playing. Sure, I could unplug my headphones constantly, but I'm not sure if that would wear down the XLR connector in any way."
  4. Discman634
    There are two mute options you can access by pushing the source knob.
  5. cossix
    I've got this piece of gear in my sights! Anybody able to compare with the Jotunheim at all? That's what I'll be upgrading from down the road
  6. Herbie151
  7. ProfFalkin
    I'd say keep the Jot and get a better DAC. I think the ha1 isn't as resolving and frankly, rather dry, each given a good source.
  8. StormClaw
    David Lucman likes this.
  9. gPope
  10. gb21011971
    I agree that design is highly subjective. I also agree that IMHO Schiit products look like ... well what the name implies. That's why I have never bought any of them. Or Audeze headphones. Or Grado's. Or anything that looks like a first time DYI project.

    Sound comes first, but there is a limit to Schiity design.

    Just my 2c.

    Last edited: Sep 1, 2017
  11. StormClaw
    it's a plain, boring aluminum box

    HA-1 on the other hand looks superb with it's customizable displays and greatly adds to your setup look
  12. LarryMagoo
    I stream to my HA-1 with my MAC Mini>AudioByte Hydra Z DDC>AES signal to>Schiit Yggy>Balanced Out to HA-1 IN>HD-800S out>All run on RoonServer installed in MAC Mini....Glorious sound!

    The HA-1 on-board ESS 9018 Delta-Sigma DAC is really harsh....the Yggy smokes it by a mile!

    It's funny though the looks of my Schiit Gear has NEVER affected the performance!!
    Last edited: Sep 3, 2017
  13. gPope
    Schiit Yggdrasil (DAC only): $2,299 --> it better smoke the HA-1's DAC by more than a mile...
    Hooster likes this.
  14. MRC001
    The HA-1 is as perfectly neutral as human engineering can devise an DAC+Amp. The HD-800 has a sharp response peak around 6-7 kHz. The HA-1 doesn't hide this - or anything else. You get the truth, for better or for worse.

    Well engineered DACs (including but not limited to the HA-1) are diabolically difficult to differentiate in level matched double blind tests.
    Last edited: Sep 7, 2017
    Discman634 likes this.
  15. yogibeezwax
    I own the HA-1 and even though I'm no where as knowledgeable as most of the guys on this site, I have to say that I'm more than happy with my DAC! Of course, that's after getting a second unit sent to me after 6 months because there was imbalance between the right and left channel, might have been a bad batch..but still...don't know where schiit products score in that regard (bad batches). In any case, love my he400i with this combo!
    Discman634 likes this.
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