Chord Mojo(1) DAC-amp ☆★►FAQ in 3rd post!◄★☆

[all999]

That fits easily in a pocket?

Depends on Your pockets size Shouldn't be a problem unless Your pants are really thin.

 

[Mojo ideas]

Currawong said: "They are likely overwhelmed. They run out of a small place and deal with a crap-load of orders. I really doubt that they could inform what is likely hundreds of people about delays without causing further delays in shipping.

Anyone got good news in the last minute of 10/27/15 yet? I have checked my email every 30 min or less but nothing from Moon Audio shows up. That makes me worried more. Hopefully I will get a shipping info from the 2nd batch soon (?)

Currawong is not quite factually correct in that when we designed Mojo we had designed and built for us a separate ultra advanced manufacturing plant with the full manufacturing processes. These have the most advanced SMT facilities and are the equal too the best on the planet. This facility is fully capable to manufacture very high volumes of Mojos. These are backed up with storage for large quantities of materials. So no we are not swamped but we are going through a ramp up phase which is quite natural for a start of a new products build. John E Franks.

 

[Sonic77]

Moon Audio needs to work on informing it's customers, that would be the polite thing to do.

 

[singleended58]

Currawong is not quite factually correct in that when we designed Mojo we had designed and built for us a separate ultra advanced manufacturing plant with the full manufacturing processes. These have the most advanced SMT facilities and are the equal too the best on the planet. This facility is fully capable to manufacture very high volumes of Mojos. These are backed up with storage for large quantities of materials. So no we are not swamped but we are going through a ramp up phase which is quite natural for a start of a new products build. John E Franks.

Agreed. If the products like Mojo are good and popular the manufacture's plan should be smoothly handled especially with the dealers worldwide. We are consumers have the right to know in advance of any delays, right?

 

[piercer]

  It's not an argument.

Something needs to change the data stored on the device into audio data.  Even on a CD transport where the output to a DAC should be the same from every player there are differences - with a DAP we are looking at more variables (initial file format, codec, player software, storage medium, etc).
 
Then subjectively people are saying that the transfer method has an effect too (coax vs toslink vs usb) and that the connectors make a difference too.
 
Look at your computer and look at what codecs you are using - if it is using v1.00 of every codec then I'll concede the argument  (Note I am not talking about DAC or soundcard drivers or firmware, but the codec, the software that converts the file to audio).
 
If "digital is digital" then none of the above would have any difference.

My guess would be that the guys saying different are assuming that somehow the DAC is reading the data directly from the storage medium.
 
The question is really *HOW BIG* a difference do different sources make and where do you draw your own limits

 
I really have to respond to this. It makes me kind of sad. If you understand interconnects and digital data transfer then it is not possible to have different sounds from different sources.
 
1) File format will have no affect on the data being transmitted - which will ultimately be PCM or DSD (for the moment)
2) Once the bits of data arrive in the electronic buffer of the Mojo they will be stored as charge in transistors on silicon. All knowledge about how they got there is completely destroyed. The transfer mechanism of the bits has no impact on the nature of the bits once they are in the Mojo - that's what 'digital is digital' means. The bits in the Mojo are then fed to the DAC's. The bits going in the DAC CANNOT be affected by how they got from source to the Mojo.
 
AARRGGGHHH!!!!! 
 
Imagine if the same laws applied to transferring picture or word documents! Do you ever worry about whether you send a picture to someone by email that it will be different to if you sent it on a USB stick, or burnt to a CD? Of cource not, because digital is digital!

 

[Yubacore]

   
 
 
 

 

 

 
 
What surprises me is that there seems to be a lot of empty space inside, or are the pictures deceiving me?
 
Which again leaves me curious as to why Chord chose the slightly chubby form factor instead of a slimmer, more stack-friendly one? Can you Chord guys shed some light on any of this?
 
 
Also, when stacking, shouldn't we be doing it "buttons up" to have less interference?

 

[georgelai57]

Agreed. If the products like Mojo are good and popular the manufacture's plan should be smoothly handled especially with the dealers worldwide. We are consumers have the right to know in advance of any delays, right?

Dare we hope then that with the economies of scale that come with the great launch response, prices might fall???

 

[sonickarma]

   
 
What surprises me is that there seems to be a lot of empty space inside, or are the pictures deceiving me?
 
Which again leaves me curious as to why Chord chose the slightly chubby form factor instead of a slimmer, more stack-friendly one? Can you Chord guys shed some light on any of this?

The battery takes up most of the space - the actual circuit board is very slim but well packed with goodies.

 

[Yubacore]

   

- AK240SS>MOJO>K10U
 

 
How is the K10U driven by the Mojo vs. straight out of the AK240? Is there any of that synergy people are talking about with the JH in-ears?

 

[jamestux]

   
I really have to respond to this. It makes me kind of sad. If you understand interconnects and digital data transfer then it is not possible to have different sounds from different sources.
 
1) File format will have no affect on the data being transmitted - which will ultimately be PCM or DSD (for the moment)
2) Once the bits of data arrive in the electronic buffer of the Mojo they will be stored as charge in transistors on silicon. All knowledge about how they got there is completely destroyed. The transfer mechanism of the bits has no impact on the nature of the bits once they are in the Mojo - that's what 'digital is digital' means. The bits in the Mojo are then fed to the DAC's. The bits going in the DAC CANNOT be affected by how they got from source to the Mojo.
 
AARRGGGHHH!!!!! 
 
Imagine if the same laws applied to transferring picture or word documents! Do you ever worry about whether you send a picture to someone by email that it will be different to if you sent it on a USB stick, or burnt to a CD? Of cource not, because digital is digital!

Agree with both of your points...  You are only looking at part of the answer though!!
 
(AARRGGGHHH!!!!!! back )

What creates the PCM or DSD stream?  They are created by the player form the file right?  PCM or DSD is the OUTPUT, the files themselves are not PCM or DSD, the player is still reading and converting a file.
 
As for images you are correct - I don't worry about whether I email it or put it on a USB stick.
 
Howerer I DO worry about what word processor (and version) someone is using and what picture viewer they will be viewing the image in.  Having been a professional product photographer in a previous life this was really key to my business, for anything that was going to be plublic I had to dumb down the output to the lowest common denominator and then hope that the client's computers were close enough that things looked acceptable - and even what operating system and screen they are using.  
 
I also don't expect my word documents to look the same in open office or the native mac word processor (as much as I would love it if they did look the same every time!)

Here's an article to show it visually http://petapixel.com/2012/06/25/is-your-browser-color-managed/

 

[chronograf86]

Is it worth buying some new player for this device. I'm still using my Hifiman 801.

 

[singleended58]

The second batch has been delayed AGAIN:

1st batch arrived 10/22. 2nd shipment arrives 11/2, 3rd shipment 2 weeks later and almost sold out.

 

[mathi8vadhanan]

Currawong is not quite factually correct in that when we designed Mojo we had designed and built for us a separate ultra advanced manufacturing plant with the full manufacturing processes. These have the most advanced SMT facilities and are the equal too the best on the planet. This facility is fully capable to manufacture very high volumes of Mojos. These are backed up with storage for large quantities of materials. So no we are not swamped but we are going through a ramp up phase which is quite natural for a start of a new products build. John E Franks.

hi JF, currawong was talking about your distributor, 'Moon Audio' for their lack of communication.

 

[sonickarma]

   
I really have to respond to this. It makes me kind of sad. If you understand interconnects and digital data transfer then it is not possible to have different sounds from different sources.
 
1) File format will have no affect on the data being transmitted - which will ultimately be PCM or DSD (for the moment)
2) Once the bits of data arrive in the electronic buffer of the Mojo they will be stored as charge in transistors on silicon. All knowledge about how they got there is completely destroyed. The transfer mechanism of the bits has no impact on the nature of the bits once they are in the Mojo - that's what 'digital is digital' means. The bits in the Mojo are then fed to the DAC's. The bits going in the DAC CANNOT be affected by how they got from source to the Mojo.
 
AARRGGGHHH!!!!! 
 
Imagine if the same laws applied to transferring picture or word documents! Do you ever worry about whether you send a picture to someone by email that it will be different to if you sent it on a USB stick, or burnt to a CD? Of cource not, because digital is digital!

 
My very basic understanding - is the optical cable uses SPDIF Protocol
 
http://www.ni.com/example/3255/en/#toc3
 
So if the transport changes its output stream based on the transports implementation (either transport hardware or software)
 
The transports output streams would vary - so the Mojo would adhere to the protocol and process the data and output different sound signatures
 
If all the transports just read the raw data and passed it over to the Mojo directly in exactly the same sequence for the data streams - then they would all sound the same irrespective of different transport.
 
This is just my laymans interpretation - I could be completely wrong - so feel free to correct/educate me
 
What I do know as a fact is Transport Player EQ changes the sound signature coming out of the MoJo - not a little bit but so much that anyone can hear the difference.
 
Transport Volume settings have no effect

Either way - The Mojo is well worth the money and does sound very good with every transport I have tried so far

 

[Yubacore]

  Agree with both of your points...  You arre only looking at part of the answer though!!
 
(AARRGGGHHH!!!!!! back )

What creates the PCM or DSD stream?  They are created by the player form the file right?  This is the OUTPUT
 
As for images you are correct - I don't worry about whether I email it or put it on a USB stick.
 
Howerer I DO worry about what word processor (and version) someone is using and what picture viewer they will be viewing the image in having been a professional product photographer in a previous life this was really key to my business, for anything that was going to be plublic I had to dumb down the output to the lowest common denominator and then hope that the client's computers were close enough that things looked acceptable - and even what operating system and screen they are using.  
 
I also don't expect my word documents to look the same in open office or the native mac word processor (as much as I would love it if they did look the same every time!)

Here's an article to show it visually http://petapixel.com/2012/06/25/is-your-browser-color-managed/

 
As far as my grasp of these things reaches, any possible deterioration should only start once we leave the digital realm, in the DAC.
 
Should it matter much which device is converting the zeroes and ones of a FLAC file into the zeroes and ones in a PCM stream? Is there any room for interpretation in this conversion between lossless formats? I mean, wouldn't it be like converting between different lossless video or image formats, which can be done without any loss as many times as you like? Even with PDF which is a mess of a format as terrible as any, and the old PCX lossless from the beginning of time. Try it, convert between these a million times if you like, and you will have files that are identical to the point where they give the same checksum. That's what lossless means. It would be interesting to have a device for just saving the PCM or DSD stream from a transport directly to a file, instead of processing it in a DAC, and then compare those files.