I just tested both the Hugo and Mojo and they both do the same upsampling to 192kHz when using the micro USB connection.
I somehow prefer the Hugo than the Mojo though. It seems to pair better with my Ether C and the soundstage seems wider which should suit my long listening periods but that's just my personal preferance.
- "heavy" lows & bass(?) were overwriting details. Still audible if pay attention closely.
- More expansive soundstage (width) for sure
- Bass hits harder both quantity & quality
- Entire spectrum sounded more forward
SETUP B (Spotify Premium > Macbook Pro Late 2015 > Chord USB > Mojo > 1964 V6 Stage = Fun & Detai)
- Instrument details were much clearer. No effort needed to pin point every instruments
- Bass & lows hits less harder but > quantity versus setup above (noticeable in Lana Del Ray Young & Beautiful opening where there is a slow rumble)
- Vocal is more forward where instruments were more located "behind", "left" & "right" for the lack of better description.
- Entire spectrum is more dynamic & fun
SETUP C (CD RIP FLACS > AK100II > 1964 V6 Stage = Laid back & "light")
- Everything sounded flat and neutral
- Lows were softest among the 4 setups
- Still enjoyable and sounded "light", good for long listening experience.
- Less dynamic & fun
- Average soundstage, but still good.
SETUP D (CD RIP FLACS > Macbook Pro Late 2015 > Audirvana > 1964 V6 Stage = Forward & Harsh)
- Everything seems more punchier & forward
- Sibilance detected in certain tracks
- Sounded "dry"
Anyone else feeling the same as above? I was surprise that Setup B was something I enjoyed most. I would rank them from most enjoyable to least as below;
B > A > C > D
Waiting for my Sys Connect Toslink to arrive tomorrow for further testing.
EDIT Holy shyt... not sure what's happening
1) Optical out from mac > mojo = wide soundstage, detail & clear, crispy sound
2) USB out from mac > mojo = warmer sound, tad smaller soundstage & better lows
Hmm, I also get this issue with USB Audio Player Pro. Sample rates are the same. It's not every track in an album but happens with some tracks when changing from another album.
I'm not keen on forcing a mandatory silence at beginning of tracks as that would be annoying on linked tracks with continuous audio.
All the music has been ripped from CD's using DB Poweramp. This leads me to believe there may be something wrong with metadata on the tracks, or buffers to the Mojo.
I've emailed the developers to see what they think.
Response from UAPP developer:
"The issue comes from the fact that the Mojo fades in the sound. The USB specification says that whenever USB is not used (playback stopped), the driver should set the 'USB alt setting' to 0, meaning it doesn't consume USB bandwidth. We do it like that and whenever playback is started, it switches to another 'USB alt setting'. This is where the Mojo (and Hugo) start fading in the sound.
We could indeed add a feature that prepends a half second of silence, but unfortunately we cannot tell when that will be implemented since it's less trivial than it sounds."
Ive been listening to MOJO on iPhone so far and today I decided to plug it on my computer and to my surprise it sounds much better using Audirvana than KORG iAudioGate.
Its so different that Ive had to listen to my all my favourite blues albums again on computer! Oh boy, guitars sounds awesome!
If you hear a difference between a bit perfect phone signal and a bit perfect computer signal it's your imagination. If you do hear a difference with the pc,one of your programs is sampling the material before sending it to mojo. Onkyo HF app for phones does bit perfect transmission.
For example my note 5 plays much nicer with mojo, much better over my dx80 (coax) and much better than a Toshiba laptop, and decent with a mac, not so good with iPhone,
I feel that it clearly matters what you use as source to fee. Mojo, so now the question still remains...
What is the best source to use to maximize Mojo sexyness?
Well there's at least two of us that @derGabe hasn't sent anything to. If he's doing this sort of thing he should be banned from the forum for scamming.
I believe I know that the source and even USB Cables can make audible differences.
It's not all about something like bit perfect and bits are bits.
The OS will make differences, as will other running processes. The power supply of the source might affect the sound ad well... this is why I believe a Linux based dedicated Music Streamer is the best option.
And since digital audio signals are transferred via a quasi livestream using USB Cables are important even USB.
At least that's what I believe.
Cheers
I believe I know that the source and even USB Cables can make audible differences.
It's not all about something like bit perfect and bits are bits.
The OS will make differences, as will other running processes. The power supply of the source might affect the sound ad well... this is why I believe a Linux based dedicated Music Streamer is the best option.
And since digital audio signals are transferred via a quasi livestream using USB Cables are important even USB.
At least that's what I believe.
Cheers
Transports and cables to make a difference, in theory too, but it remains to see how much of a difference they do make, and how much do YOU hear that difference.
Buy why linux based music streamer? I mean, shouldn't windows 10 be best?
Bit-perfect, "bits are bits", "ones-and-zeroes", as I understand are transmitted via electrical impulses (USB) or light impulses (optical). So, as I have read the arguments from those more knowledgeable than I..... many factors can influence the quality of that signal, and it is not a merger of "either it works or it does not" in a binary sense.
Radio interference, power cleanliness, and (as I have learned from our son studying lasers at Cornell) cable geometries particularly in the case of optical all have an impact upon the transmission of but-perfect data.
Whether one's ears are good enough to discern the differences in a separate and personal matter.
Again, I am not stating these hypotheses as factual, they just make sense to me.
Personally, having recently been hit with tinnitus, I have plenty of my own interference in my brain.
Linux based, because I can afford to build a Raspberry Pi 2 Streamer running Music Daemon Player without any real risk, money wise.
I have read that Auralic heavily relies on Daemon Player, but I don't want to invest that much money, now
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