Chord Mojo(1) DAC-amp ☆★►FAQ in 3rd post!◄★☆
Dec 27, 2015 at 9:56 PM Post #7,802 of 42,765
Waaaaay back, early in the thread it was determined that 3G and LTE showed little to no EMI noise, but 2G/Edge cellular reception was very noisy. I heard no noise until I switched to 2G/Edge and it was brutally obvious. That's another factor besides cables acting as antennae.
 
Dec 27, 2015 at 10:08 PM Post #7,803 of 42,765
I'm using my iPhone 6S to drive my Mojo and it's got wi-fi and phone enabled.  I'm connecting them using the supplied Chord cable and the Apple CCK (which is by the way now the Camera Adaptor -- the Apple Store no longer recognizes a search for CCK or Camera Connection Kit).  There is no noise, no hiss, no pops, no clicks, nothing but the totally black void.  

Some phones must be noisier than others and some wires must be better atennas than others.


I have the iPhone 6S and have been using "CCK" and supplied USB/micro cable. Sometimes I get interference noise. Not sure if it's when on LTE or 4G only, etc. but, when I hear it and look at the phone, I'm usually getting an email or other notification. I have gone the opposite of many here and use a 3- or 6-foot USB cable with the CCK and keep the phone further from the Mojo. Seems to have cleared it up. Also makes it easier to use the phone for selecting songs and such.
 
Dec 27, 2015 at 10:19 PM Post #7,806 of 42,765
Hi,
 
I have got my Mojo yesterday, and have charged it for overnight. I have played it for a couple of hours this morning. When I charged it again (I have turned it off), all the balls flashed once but the charging light was off. I have tried it on different chargers, 1A or 2.4A. Is it normal?
 
Rgds
 
Dec 27, 2015 at 10:32 PM Post #7,807 of 42,765
  Hi,
 
I have got my Mojo yesterday, and have charged it for overnight. I have played it for a couple of hours this morning. When I charged it again (I have turned it off), all the balls flashed once but the charging light was off. I have tried it on different chargers, 1A or 2.4A. Is it normal?
 
Rgds

The lights flashing once upon connecting the charger is normal. The charging LED lights up only after a few seconds. 
 
Dec 27, 2015 at 10:40 PM Post #7,808 of 42,765
I hear it also comes down to file format as far as noise goes,

What is the most complete, lossless possible file format, what is the Topnotch file format, and how does t one obtain it, I can get flac but I can't find DSD anywhere, I never listened to DSD if that's the best, I want the best from mojo


I've heard all the greats in the highest quality DSD possible with the TOTL ciems and mojo and I can tell you with certainty, 24/192 is just as good as DSD from mojo. I actually find myself preferring 16/44 cd rips as they are more silent without the clicks and pops of 24/192 vinyl rips.
 
Dec 27, 2015 at 11:05 PM Post #7,811 of 42,765
That doesnt appear to be ferrite shielded at all, my iPhone 5 causes terrible RF noise, must use airplane mode or a bunch of detachable ferrite devices with my USB. That's why I want cable with ferrite shielding from end to end.



After reading Robs recommendations of ferrite cables I was curious and digged through all my cables while organizing and lucky enough had one lying around. It was a displayport ferrite shielded (end to end) and it made a difference in lag time as well as producing clearer and better picture on my monitor (colors pop more as well as uniformity). It sure as hell did make an improvement on my monitor/video lol.
 
Dec 27, 2015 at 11:46 PM Post #7,812 of 42,765
  I'm using my iPhone 6S to drive my Mojo and it's got wi-fi and phone enabled.  I'm connecting them using the supplied Chord cable and the Apple CCK (which is by the way now the Camera Adaptor -- the Apple Store no longer recognizes a search for CCK or Camera Connection Kit).  There is no noise, no hiss, no pops, no clicks, nothing but the totally black void.  
 
Some phones must be noisier than others and some wires must be better atennas than others.

My experience also using my iPhone 6S
 
Dec 28, 2015 at 12:01 AM Post #7,813 of 42,765
The Mojo with JH13pro (w/custom copper cable from plusSound which really emphasizes the mid bass) sounds overly warm, lush and mid bass heavy. In part I blame the cable. 
The Mojo with HD800 w/stock cable with anax mod sounds thin and bright (at least compared to Liquid Carbon and Audio gd dac 19). Was not expecting this. 
The Mojo with Grado GH1 (which is really warm by Grado standards) I also found thin and bright compared to Lyr 2 with Bimby). Was not expecting this also. 

Will try the Mojo with my B&K amp and B&W 705 speaker stereo system.
Try Mojo with a warmer sounding amp.
 
Dec 28, 2015 at 12:16 AM Post #7,815 of 42,765
Tried with various IEM, and no problems with my iPhone 5S as of yet even with streaming.


Change your cellular settings to 2G, let me know what you hear. :wink_face:
 

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