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Chord Mojo DAC-amp ☆★►FAQ in 3rd post!◄★☆

Discussion in 'Portable Source Gear' started by Mython, Oct 14, 2015.
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  1. psikey
    1. No noise of any kind out of mine. Just make sure you have a good quality USB power supply and USB cable.
    2. I've had mine playing while charging for at least 3 hrs and while it does get warm to the touch it has not tripped out, but I would imagine that can vary based on where you live and its not summer here in UK. Somewhere like Greece in summer when it gets to 47C will likely be having issues as ambient is critical for the heat dissipation through the Aluminium case.
    3. I use JRiver MC21 and works perfectly with the Chord driver on a Windows 10 machine. 
     
  2. yoyorast10
     
    The first two do seem like problems to me
     
  3. psikey
     
    See my comments above, but unless your playing more than 8-10hrs solid you could always put the Mojo on a Timer control so it tops up its charge over night when not being used to avoid playing & charging at the same time. Segment timers can be bought for under £5.
     
  4. yoyorast10
     
    No problems with wasapi?
     
  5. psikey
     
    Chord driver shows as Chord Async USB 44.1kHz-768kHz but in JRiver I can select two:
     
    Chord Async USB 44.1kHz-768kHz [WASAPI]
    ASIO Chord 1.05 [ASIO]
     
    Plays identical with both to my ears
     
  6. Nitrile


     
    I have problems with both skipping the first second of files in foobar with the mojo.
    Works fine on my other DAC.
     
  7. GreenBow
    Please try Media Go (preferences > output set to ASIO), dBpoweramp, and Exact Audio Copy then, and please tell us. They are all free.

    I don't know. It is meant to work with Windows devices, but I don't know enough to advise. Plus I have not tried the Mojo.
     
    It might help you dicide if I post Mr Rob Watts explanation of the charging circuit here. This is a direct quotation and can be found earlier in the thread, (currently post 4596):
     
    "Just to clarify. Charging is automatic. If you are playing and charging at the same time, with a fully charged battery, the charger will supply enough current to balance the consumption used by Mojo, so no net current into the battery. If its fully charged and the unit is off, the charger will go off. The charger will re charge automatically when the battery voltage falls to 8.2v (off at 8.4v) so keeping the charger connected will ensure a full charge."
     
    ------
     
    In other words as long as the battery is full it will not engage the charging curcuit. If the battery level drops a little it will charge for a while when kept plugged in, on desktop.
     
  8. mscott58
    Yep, the cable is important. I like the Anker cables as well, both for Lightning and Micro USB cables. Cheers 
     
  9. Nitrile
    I can't seem to choose ASIO in Media Go. I can't find a free version of dbpoweramp and Exact Audio Copy isn't really a dedicated media player.
     
  10. raelamb
    Had my mojo for the week and so far have resisted posting any thoughts as I was waiting for my faves the Ultrasone Signature DJ's to come back from Moon Audio. I had been using them balanced through Cypher Labs theorem and duet/-db. While I was waiting I was using a pair of old Grado RS-1's. I was afraid switching to single-ended was going to make the sound tepid but boy was I wrong!:)
     
    My favorite adjective for the mojo right now is "assertive" !
     
    Damn.
     
  11. rkt31
    @salla45, thanks for the reply. i think the mojo's real potential comes out through higher impedance headphones. it should sound more tight, more controlled and more dynamic too with such headphones. distortion too will be the least. higher impedance also will help to avoid too much digital attenuation. but that does not mean mojo performs lesser with low impedance iems or cans.
     
  12. GreenBow

    Thank you for trying. I heard of dBpoweramp and Exact Audio copy as FLAC rippers. However I thought they played too. I tried Exact Audio Copy only to the point of installing, and saw play function. Anyway never mind that, but thank you very much for trying for us. I was led to believe the beauty of those FLAC rippers is they produce error free rips.
     
    With regard to selecting ASIO in Media Go, please follow:
    Media Go > Tools > Preferences > *under* Audio Output > *we can select* ASIO Device.
     
    Best of luck and I hope it fixes the one second of music missing. Again please let us know if you get a result either way.
     
    (NB I use Media Go every day as my desktop player with the Meridian Explorer. It's faultless really for me in this setup.)
     
  13. Nitrile
     
     
     
    It says no ASIO devices available for me. :frowning2:
     
     
     
     
    Capturefdssdf.jpg
     
  14. GreenBow
    @Nitrile
     
    That's really great that you tried and told us. I am so sorry. Such a sad shame about the result. If I come across any more players I will mention them. I have read the whole thread and I can't recall what people said using iTunes at desktop as a player by the way.
     
    Once again thank you Nitrile.
     
    @yoyrast10 + everyone,
    By the way on more note about desktop charging, playing, and cutting  out due to threaml limits. I think the idea of a heatsink is really quite viable. If you only intend to move the Mojo about the home anyway.
     
    Something like this at 88mm with Mojo at 80mm long is possible.
    http://www.maplin.co.uk/p/50mm-heatsink-for-to3-to66-sot9-rn76h
    50mm-heatsink-for-to3-to66-sot9.jpg
     
     
    Then a thermal pad from ebay:
    http://www.ebay.co.uk/itm/Phobya-Thermal-Pad-XT-7W-mk-1mm-120x20mm-/331720195299?hash=item4d3c107ce3:m:mCZRO0HTJ1VuA3dvBbisHHw
     
    A couple of rubber straps around the device to hold it together, and voila. (I mean I recall Mojo Ideas, Mr John Franks saying the Mojo loses heat into your hand, from touching it.)
     
  15. mscott58
    Not sure how prevalent the thermal cut-out issue is and therefore the necessity of adding the heat-sinks. I've listened to mine many times for long periods while plugged in and never had an issue. It gets warm IME but not hot. My ALO CDM gets hot, but that's what it is designed to do. Might want to check and see how yours works and if you have any issues before you go to all the trouble of pimping it out with the heat-sinks. Cheers 
     
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