Stuff Jones
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Stuff Jones

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I enjoy using my DAP as a USB DAC/AMP. Will I do not-just-theoretical damage to the battery running it that way a lot? Apr 9, 2021

Stuff Jones was last seen:
Viewing thread ZMF New Headphones: Vérité and Aeolus, Apr 17, 2021 at 1:33 PM
    1. Stuff Jones
      Stuff Jones
      I enjoy using my DAP as a USB DAC/AMP. Will I do not-just-theoretical damage to the battery running it that way a lot?
      1. View previous comments...
      2. Stuff Jones
        Stuff Jones
        I'm leaving it on DAC mode. It does charge in DAC mode, but I'm not sure what it does when it's fully charged.

        Why would a manufacturer offer USB DAC mode if its bad for the battery?
        Apr 9, 2021
      3. rlow
        rlow
        Again, it depends on the design. Some manufacturers throw shit into their feature set expecting most people won’t use it that way or will only use it rarely, therefore it’s a non issue if a few people have some batteries die prematurely. If the manufacturer is worth its salt however and designed it properly, it will be designed to be reliable in all modes of operation.
        Apr 9, 2021
        Cryptowolf and Stuff Jones like this.
      4. gixxerwimp
        gixxerwimp
        ZX300 has a battery saver 80% mode. If your DAP does, it's prolly ok. But if it always charges to 100%, not so good for the battery.
        Apr 11, 2021 at 1:42 AM
    2. Stuff Jones
      Stuff Jones
      Thought experiment with some real world application: How long does a USB cable have to be before you're better off using BT, SQ wise?
      1. View previous comments...
      2. dubharmonic
        dubharmonic
        Shorter means a lower probability for interference, right?
        Mar 30, 2021
      3. Taverius
        Taverius
        They're not amazingly shielded and the power and signal cables are snuggling up real close, so the power gets dirtier the longer the cable even before you add other nearby cables.

        The audio signal doesn't degrade like analog though, since it's a digital packet with built-in error correction - when that fails the packet is invalid and gets dropped. It either works or it doesn't.
        Mar 30, 2021
      4. Taverius
        Taverius
        Provided the cables is short enough the packet gets there in good shape - per spec as AtomicBob says this is 5m though more is possible in theory - you could provide clean power with a split cable and an ifi Ipower or lps, but at that point just use a Pi.
        Mar 30, 2021
    3. Stuff Jones
      Stuff Jones
      Why does emphasis in the so called presence region both make things sound more real and induce more listening fatigue?
      1. Cryptowolf and Jinxy245 like this.
      2. View previous comments...
      3. Lyander
        Lyander
        The presence region is right where human hearing is most sensitive so elevations there (e.g. HD600, ER2XR) bring a real sense of in-your-face-ness that could lend a sense of, well, presence to sonic images. Of course, *because* hearing is far more sensitive there the listening experience can tend to be a bit tiring over time.
        Mar 27, 2021
        Cryptowolf, Syzygy, Deep Funk and 2 others like this.
      4. Senorx12562
        Senorx12562
        I've been pretty "fatigued" by many live performances, although not always by the sound. And not always music.
        Mar 28, 2021
        Stuff Jones likes this.
      5. Deep Funk
        Deep Funk
        Production values can kill or elevate music. Add a FR that is too spikey in certain a certain region or regions and you can end up with Sony head-aches or DT48 "what the fuck?" Either way we can all write multiple page essays about this phenomenon here...
        Mar 28, 2021
        Stuff Jones and Senorx12562 like this.
    4. Stuff Jones
      Stuff Jones
      Cayin N3Pro + Verum 1 sounds exceptional. Does anyone else have this combo to confirm I've not lost it entirely (on this front)?
    5. Stuff Jones
      Stuff Jones
      The Anker Soundcore 2 is remarkably listenable for its small size and crazy cheap price.
      1. Gazny
        Gazny
        I got one from my in-laws, sounds pretty good when you raise it to be a bit more on axis. Hands down the best battery bank I have listened to.
        Nov 1, 2020
      2. Stuff Jones
        Stuff Jones
        I'm going to use it for travel. Throw it in a sock in your suitcase and you're good to go.
        Nov 1, 2020
        Gazny likes this.
    6. Stuff Jones
      Stuff Jones
      Is there a small device to deal with usb audio pops and crackles?
      1. Gazny likes this.
      2. View previous comments...
      3. Stuff Jones
        Stuff Jones
        Confirmed that it's the AC power source (so far). Pops went away when unplugged.
        Oct 28, 2020
      4. Thad E Ginathom
        Thad E Ginathom
        It's a laptop? It's easy to say, because I use an under-desk anyway, but I'd be disinclined to use a laptop for serious audiophiliousness. Partly because of those power supplies. No audiophoolery, I think it is accepted that they can and do put audio-affecting noise into the system. But if it's good on battery, you have a solution. As long as the battery lasts.
        Oct 29, 2020
        Stuff Jones likes this.
      5. Thad E Ginathom
        Thad E Ginathom
        Except... Noise when moving the mouse is another classic DPC Latency symptom. Not necessarily because of the mouse, but because of the video: the system prioritises the display of that moving mouse.

        But shouldn't that make video impossible to watch? Good point: I don't know.
        Oct 29, 2020
        Stuff Jones likes this.
    7. zerodeefex
      zerodeefex
      Got a few senior requests for a temp. You get until the 5th off so you can enjoy the holiday.
    8. Stuff Jones
      Stuff Jones
      Why is it unicorn and not unihorn?
      1. Jinxy245, Gazny and Mithrandir41 like this.
      2. Biodegraded
        Biodegraded
        Latin: cornu = horn (there's always one smartarse :P)
        Jun 16, 2020
        famish99, obsiCO, Lyander and 3 others like this.
      3. DigMe
        DigMe
        In the most ancient mythologies it is actually a solitary cob of corn on the head.
        Jun 16, 2020
    9. Stuff Jones
      Stuff Jones
      SW51+ owners: should I 1) get 50 NOS 6ZH51P - 6J51P (stock) tubes for $70 bucks or 2) 2 matched pairs of Tungsram EF184/6EJ7 for $75?
      1. FlySweep likes this.
      2. View previous comments...
      3. FlySweep
        FlySweep
        I have amperex and mullard tubes, as well. I'd take the amp over the mullards, but the rest of the chain matters (Pi2AES > Modi 3 > SW51+ > HD6XX (stock) / Elex). The (Blackburn) Mullards I have are bright-ish (seems there's some variance with this tube as there may be diff versions). Tungsram reminds me of the stock tube, but better.
        Jun 11, 2020
        gaspasser and Stuff Jones like this.
      4. Stuff Jones
        Stuff Jones
        Jun 11, 2020
        FlySweep likes this.
      5. FlySweep
        FlySweep
        yep.. looks identical to mine. Let 'em marinate for a while when you get 'em. I love the build quality in tungsram tubes too.. rugged af.
        Jun 11, 2020
        Stuff Jones likes this.
    10. Stuff Jones
      Stuff Jones
      Is this correct in terms of SQ import? Recording > transducer > amp > DAC > source > file resolution (44/16 and up) > cables > lunar phase
      1. purr1n likes this.
      2. View previous comments...
      3. Hrodulf
        Hrodulf
        The source material is king. Everything down from there just needs to inflict the least damage to it. The speaker and room make the sound radiation system and should be always viewed as a whole, unless in very specific cases.
        May 31, 2020
        Psalmanazar likes this.
      4. Stuff Jones
        Stuff Jones
        I was actually thinking more of headphones but wanted to be inclusive and cool and use @purr1n's preferred lingo. Headphones are transducers too, no?
        May 31, 2020
      5. Psalmanazar
        Psalmanazar
        Headphones are wildly inaccurate.
        May 31, 2020
    11. Stuff Jones
      Stuff Jones
      1. atomicbob, Jinxy245 and Smitty like this.
    12. Stuff Jones
      Stuff Jones
      Philosophic musing: Do we enjoy absolute sound quality or only changes in sound quality?
      1. Jinxy245 likes this.
      2. Jinxy245
        Jinxy245
        Interesting...I'd ask to define the term "absolute". I do think that the changes make the quality more apparent as the brain does adjust to the level of "quality" it's been listening to so we appreciate certain jumps in quality more.
        May 17, 2020
      3. Stuff Jones
        Stuff Jones
        What I mean is that after about a month of listening to new gear, we stop listening to SQ and just listen to music. We only listen to SQ again after gear changes, or when forced to compare with past gear. Or at least that's the case with me. This suggests that outside those comparison periods, our enjoyment of music remains the same regardless of SQ (except a major SQ downgrade that forces us to compare for longer).
        May 17, 2020
      4. Jinxy245
        Jinxy245
        So if I understand you, you're referring to the evaluation "period " as opposed to hen we settle in & enjoy. I think I do enjoy the listening to SQ to an extent but yes it is different than when everything is dialed in the way I want. I personally wouldn't say my enjoyment stays the same given other variables, but I get your point and agree.
        May 17, 2020
        Stuff Jones likes this.
    13. Stuff Jones
      1. Biodegraded
        Biodegraded
        Something is exciting you. New Campfires? ;)
        May 15, 2020
        Jinxy245, Deep Funk and Lyander like this.
      2. Stuff Jones
        Stuff Jones
        Whoa that was weird. I wanted to post a period, because I had posted a link which might be construed as political and wanted to replace it.
        May 17, 2020
    14. Stuff Jones
      Stuff Jones
      Any tips on eliminating USB crackles that are only heard with one particular source (Shanling Q1)?
      1. View previous comments...
      2. JK47
        JK47
        Well, if you've tried all your own suggestions, and it's still not working...
        Apr 12, 2020
        YMO likes this.
      3. DigMe
        DigMe
        Wonder if reloading firmware could possibly help. @Bina?
        Apr 12, 2020
      4. Bina
        Bina
        @DigMe Not sure if that would have any effect.

        We have been going over this with StuffJones over emails for a few days. At this time it's hard to say if it's some issue on side of Q1 or just something on the PC side, as it was tested on only one computer.

        We are working with our US dealer on some way how to fix it for him.
        Apr 13, 2020
        Thad E Ginathom likes this.
    15. Stuff Jones
      Stuff Jones
      AZLA SednaEarfit tips > all others with Solaris (JVC, Symbio, stock, random others).
      1. jexby
        jexby
        Best HOLE SIZE!
        Best THICHNESS OF SILICON!
        Apr 7, 2020
    16. Stuff Jones
      Stuff Jones
      1. Jinxy245, Deep Funk, Lyander and 2 others like this.
      2. atomicbob
        atomicbob
        It depends. Heavy Metal files can be balanced out by Light Easy Listening files.
        Mar 27, 2020
      3. Thad E Ginathom
        Thad E Ginathom
        Surely compressed music weighs more than music with a high dynamic range? One only has to look at the wave form.
        Mar 27, 2020
        atomicbob likes this.
    17. Stuff Jones
      Stuff Jones
      Bifrost 2, Wasapi & Foobar: should you use 16 or 24 bit?
      1. e.schell
        e.schell
        Would assume 24... what I use with my Gungnir Multibit and seems to work well.
        Mar 25, 2020
        YMO likes this.
      2. Collusion
        Collusion
        16 bit audio signal can be delivered losslessly in a 24 bit container, so go for the higher number.
        Mar 25, 2020
        Jinxy245 likes this.
    18. Stuff Jones
      1. Cakecake and Deep Funk like this.
      2. Syzygy
        Syzygy
        !
        Mar 24, 2020
        Deep Funk and Jinxy245 like this.
      3. Deep Funk
        Deep Funk
        To the point exactly. That makes sense.
        Mar 25, 2020
    19. Stuff Jones
      Stuff Jones
      'Windows audio device graph isolation" is consistently using 20-25% of my CPU, keeping the fan buzzing. Internet no help. Any ideas to fix?
      1. View previous comments...
      2. Stuff Jones
        Stuff Jones
        @famish99 - what about 16 (w or w/o dither) vs 24 bit?
        Mar 24, 2020
      3. famish99
        famish99
        I use 24 bit, but I've never tried testing both of them side by side and I've long moved on from foobar as my choice of player.
        Mar 24, 2020
      4. Azimuth
        Azimuth
        Use push mode. 24 bit is fine. You don't really need dither. Only use that dither setting if playing back a 24-bit file and selecting 16-bit.
        Mar 25, 2020
        Stuff Jones likes this.
    20. Stuff Jones
      Stuff Jones
      1. Stuff Jones
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