The All Purpose Advice Thread

Discussion in 'Advice Threads' started by purr1n, Sep 26, 2015.

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  1. gixxerwimp

    gixxerwimp Professional tricycle rider

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    Continuing to beat this dead horse ...

    In Mar. 2015, Jason said regarding using it backwards, "Speculation: it'll probably work as a switch with the volume turned all the way up. We don't know how the volume control will work, though."
    https://www.head-fi.org/threads/schiit-owners-unite.601151/page-327#post-10394662

    Someone hypothesized that, "Used backwards, chances are that with the volume down all the way one might be close to applying a short to ground on what ever is plugged into the unswitched jacks." (Not sure what he means by "unswitched jacks", but "short to ground doesn't sound good)
    https://www.head-fi.org/threads/schiit-owners-unite.601151/page-327#post-10394799

    Dave @schiit said in Nov. 2015, "Backwards you must keep the Sys volume at full. It is ONLY a switch when reversed."
    https://www.head-fi.org/threads/schiit-owners-unite.601151/page-764#post-12104933
    And reiterated "It does not" when someone said, "I'm pretty sure the level/volume knob on my SYS works when it's set up in reverse."

    @aamefford When using SYS backwards, have you noticed any abnormal behaviour? Guess not since you haven't mentioned it.

    It occurs to me that whether the SYS is used forwards or backwards, the pot would be at the same setting for a given amount of attenuation. That is, for zero attenuation it would be at full volume. Then the same amount of attenuation would be achieved with a given reduced volume setting, whether used "forwards" or "backwards".

    Maybe it's fine to use it backwards to switch and attenuate output to two amps, as long as the volume isn't turned down too far.
     
  2. gixxerwimp

    gixxerwimp Professional tricycle rider

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    I think I found the answer to my own question:
    https://www.head-fi.org/threads/schiit-sys-passive-preamp.711775/page-11#post-12937566

    So in backwards mode, without the pot taken out of the circuit (full volume), it would seem there isn't full isolation between the 2 amps connected to its "inputs" (as marked on the back).

    @monacelli's solution is the winner! I'll have to get 2 RCA y-splitters. But now I have to confirm that the CTH doesn't shorts the inputs in the off state (I assume the Magni doesn't).

    EDIT: I just noticed that he said he had the volume all the way up in backwards mode and found the amps weren't isolated, but it worked fine in forwards mode. He asked if his was faulty but nobody answered him.
     
    Last edited: Jan 21, 2018
  3. Mystic

    Mystic Mystique's Spiritual Advisor

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    Looking for a closed back that is:

    1) Cheap (under $150, new or used doesn't matter)
    2) Very comfy
    3) Long cable

    Need a closed back for plugging into my receiver when I'm playing games or watching movies on my TV and don't want to disturb my wife.

    Only thing that I can think of is the Beyer DT 770. Probably the 80ohm as most people seem to say it has a slightly smaller Beyer mountain of treble than the other models do. The decent soundstage is a plus for location accuracy as well. I'm using these to play games so the little bit of extra treble probably won't be an issue like it would if I was using them for music.

    Thanks!
     
  4. imackler

    imackler Key Lime Pie Infected Aberdeen Wings Spy

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    I really liked the dt770 32 ohm.
     
  5. Kattefjaes

    Kattefjaes Mostly Harmless

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    Yes, you can. Maybe they're saying that because it makes it behave most like a simple switch, as transparently as possible.

    I'm using one like that right now to route the SE out of a Gungnir Multibit between a tube amp and a Stax energiser, and don't really feel the need to touch the little volume knob, as both amps have their own and the input isn't too hot for them.

    Maybe if I was using it the other way around as a "passive preamp" fed from a couple of sources, I'd use the volume knob more.
     
    Last edited: Jan 21, 2018
  6. lm4der

    lm4der A very good sport - Friend

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    Definitely consider the Senn HD 598CS. It's $149 on Amazon right now.

    https://www.amazon.com/Sennheiser-H...ie=UTF8&qid=1516576851&sr=1-1&keywords=hd598c
     
  7. Elnrik

    Elnrik Super Friendly

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    Trying to think of as many headphones as I can which fit that criteria.

    AKG 550 mk2?

    I can't think of much else.
     
  8. Ray

    Ray Friend

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    I’ve got some 3m double stick, I’d be happy to send you some, just pm me if interested
     
  9. Elnrik

    Elnrik Super Friendly

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    I need suggestions on a new office setup w/ Zmf Eikon headphones.

    Jotunheim + integrated dac -vs- Magni 3 + Modi 2 MB -vs- ???

    $400-ish budget.

    Leaning towards the M3+M2MB stack.
     
  10. cskippy

    cskippy Creamy warmpoo

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    Modi Multibit/Magni 3 is hands down better than Jot w internal DAC. Think of Magni 3 as updated single ended Jot.
     
  11. Elnrik

    Elnrik Super Friendly

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    Ok, full disclosure: I ask on behalf of an office mate who is getting brainwashed by Reddit, confused by specs, and is considering going with a Chinese alternative that ends in the number 11. I'm trying to stay neutral.
     
  12. cskippy

    cskippy Creamy warmpoo

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    f**k no! Don't let him do that lol
     
  13. Galm

    Galm Still looking for Little Red Riding Hood

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    One quick other question, what's a male quarter inch to female 3.5mm adapter that isn't complete ass? The one I have noticeably reduces sound quality.
     
  14. aamefford

    aamefford Nothing like chamberpot coffee

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    I use a Grado adapter. Works well for me when I need one.
     
  15. scapeinator1

    scapeinator1 Once You Go Black You'll Never Go Back

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    Would a powered usb hub degrade the audio quality I would get from my Modi 2-non uber? I need one because my computer only has 3 usb ports but I am worried about latency issues and other potential pitfalls.
     
  16. monacelli

    monacelli Friend

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    This is the one I use at the office with my Fulla 2: UGreen 1/4" to 3.5mm adapter. They come in a 2-pack and seem pretty well made. I like them better than the stock one that comes with the HD 600 cable. (Aside: I bought the HD 650 cable and don't use an adapter with my Senns any more.) Your mileage may vary and all that
     
  17. TwoEars

    TwoEars Friend

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    It might if it has a crappy switching power supply which it most probably does. I'd probably plug the modi directly into the motherboard and use the powered USB hub for the rest. Computer power supplies tend to be better quality and have lower noise
     
  18. ButtUglyJeff

    ButtUglyJeff Stunningly beautiful IRL

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    The only downside (my opinion) to the Jot is congestive staging. And the Eikon, while fine, doesn't have super broad staging itself. That might be bothersome to some. It just depends on your priorities...
     
  19. sacredgates

    sacredgates Audio-Technica's high priest

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    For me with the Eikons Modi Multibit was just a little too warm + making the treble overly gentle. Maybe O.K. for long time office listening, but check if your friend likes a slightly darker signature. M2MB soundstage was good, however.
     
  20. ButtUglyJeff

    ButtUglyJeff Stunningly beautiful IRL

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    Two more come to mind:

    ATH-M50 - one of the variants has a very long cable. It very good on comfort, built like a brick shit house, and sounds decent

    MDR 7506 - even cheaper then above, almost as comfortable, but memory serves me as remembering its a little smaller then the above. But I might like its sound more then above. So depends on your ear size...
     
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