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

Discussion in 'Portable Source Gear' started by Mython, Oct 14, 2015.
  1. miketlse
    Here you are - battery replacement within the EU. https://artsexcellence.com/chord-mojo-batterij-reparatie.html?___store=ae_en&___from_store=ae_nl
    https://www.audiosanctuary.co.uk/chord-mojo-replacement-battery-service.html
    After nearly four years of this threads existence, no one has succeeded in identifying any $10 batteries that contain the same battery management circuitry as was included within the Chord battery pack. Good luck to you if you want to continue your search, but you will spend years engaged in an ultimately fruitless search.
     
    almarti likes this.
  2. damorgue
    The bms isn't in the batterypack itself in the Mojo though, right? Frankly, the stock Mojo doesn't have a working bms solution, or else this wouldn't happen, so it seems like a pointless endeavor either way. If possible the bms should be replaced, but since I believe it is integrated into the PCB it will be hard. Probably not worth it with so many other functional DACs out there from more reputable manufacturers.
     
  3. dontfeedphils
    Axe to grind, eh?
     
  4. x RELIC x Contributor
    Good grief, you quote a post from 2.5 years ago before anyone knew the remote possibility of using Mojo without a battery.

    Still, as @Deftone alludes to previously, it’s not the way it was designed and there may be issues with dynamics or other unknown drawbacks depending on what is hooked up to the Mojo’s output.
     
  5. x RELIC x Contributor
    Take any lithium battery and leave it plugged in for months on end and you could get the same swelling. I can’t think of many portable devices that are typically used permanently plugged in. Years ago my iPod Classic died because it was permanently plugged in to a dock (swollen battery). My laptop battery died because I had it plugged in for months (swollen battery). I learned my lesson and there is solid data and recommendations from the experts to not leave lithium batteries constantly above 4.10V, or left discharged for too long.

    Mojo stands for Mobile Joy. Use it portably and buy a proper desktop device if you want to use a desktop device.

    Edit: One may be lucky and have no issues, but the risk is definitely there.
     
    Last edited: Aug 3, 2019
    Windseeker likes this.
  6. surfgeorge
    The Mojo battery was available for about $70. It is a 2cell pack with integrated electronics. It is possible to disassemble an old battery, remove the pcb and build a new pack with cells from the market, but it is not trivial.
    All this information can be found in this thread.
    I think $70 is an ok price for a proprietary pack like this, but I wish it would be more easily available.
     
    miketlse likes this.
  7. GreenBow
    I was hoping to be able to fit the battery from my portable DAB, in the Mojo. Or one of the same type. My DAB is a Pure PocketDAB 1500, and I have had it for fourteen years. I am not sure but I think it still holds most of the charge it did when new. Fourteen years old and still running perfectly, and on the original battery.
     
    Last edited: Aug 4, 2019
  8. miketlse
    OK, so your DAB battery is still OK, but you still need to ensure that your DAB battery works for the same voltages as the Mojo battery, and then that the DAB battery also has the same battery protection circuitry as the Mojo battery.
    If your Mojo battery is still working ok, then I suggest stop worrying and wait until it stops working, before considering alternative batteries.
     
    surfgeorge likes this.
  9. chimney189
    Good day everyone,
    I just purchased this little beast and so far it's meeting expectations other than the 4 hour charge time. >.<
    Anyhow, I'm wondering if anyone has found a different, short charging cable? The stock one is too stiff.

    Thanks!
     
  10. miketlse
    What do you define as 'short'?
     
  11. chimney189
    The length of the stock cable seems okay to me, unless there is even shorter? =^O
     
  12. chimney189
    Last edited: Aug 6, 2019
  13. jarnopp
    chimney189 likes this.
  14. cirodts
    I connected the mojo in line uot to a mini amp: fosi t20 and the result was very disappointing, in bluetooth you feel much better.
    Why does the mojo connected to the f20 feel bad?
    it's how I felt confusion in the sound.
     
  15. chimney189
    I connected the Mojo to my laptop (windows 10) through the USB port and when I try to play music the sound only comes from my right driver and it sounds like a low, screeching noise. Am I doing something wrong? My desktop amp doesn't have this issue.


    I guess I might as well add in my short impression of what I've been hearing so far from the Mojo: my setup has been iPhone 6 --> Chord Mojo --> Audio-Technica ATH ADX5000.

    I think it's pretty simple to me in that the Mojo seems to highlight the sound signature of the headphone. The ADX5000 is a neutral headphone with amazing extension at both ends. The Mojo highlights these extensions and gives it the needed impact in order for notes to sustain longer. I'd go so far as to say that the Mojo could be my reference from here on out even though I have the Violectric V100 as my desktop amp.

    I'd say that I'm pretty impressed so far. I feel content, which is great. Also add that the Mojo has a ton of power to boot makes it a solid purchase for me. I bought mine for $300 used. It's also pretty cute to look at and hold. :p
     
    Last edited: Aug 8, 2019

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