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MDAC First Listen (part 00111010)

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beammeup said:
That's interesting! Are you using a 19V power supply too like I am? It certainly looks that way on your /dev page!
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Yes it is a 19V power supply normally used to power a NUC or the old Mac Mini. But works with the streamer as well.
 
JohnW said:
The Clock circuit and its PSU has over 1000 component so .....
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I'm not an electrical engineer!
But what I always take back from the forums is that circuits are compromises.
Is it a good idea trying to compensate myself with more and more components for the constraints I have brought into the project? Is there a less is sometimes more meaningful perhaps a better solution?
 
Fred, I'm also not an electrical engineer, but I think it is a big difference whether the parts are in the signal path or not.
 
uwe061 said:
Fred, I'm also not an electrical engineer, but I think it is a big difference whether the parts are in the signal path or not.
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Digital clock is not "in the signal path," but it is really important to the functionality and sound quality of a digital circuit...One could argue that it is in the "digital signal path." But s thousand components in just one part of a circuit sure sounds like a lot.
 
The clock design for the MDAC2 is truly balanced so this instantly doubles up the number of components + the component count includes the Left and Right channel Array PSU - who's voltage reference / control circuits are powered from the Clock section. It will become obvious why the complexity once full details of the MDAC2 design are revealed - there is MUCH more to the design then I have publicly revealed.

BTW. the direct signal path is most likely one of the simplest - but its supported by a lot of external circuitry for the very best performance.
 
They say it's 'intelligently designed'... I'd quote that in any forthcoming paper...:D
Nice to see the PCB...several hundred components there I would guess.
 
AndyU said:
Interesting that the review is on the Qobuz site, but there is no mention on the Project site that the Stream Box supports Qobuz. Does it?
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Not only is the review on the Qobuz site, but the headline finishes with Qobuzissime !

I take it from this that the reviewer thinks that the Stream Box does a very good job with Qobuz.

John, this Pro-ject box also appears as one of Andrew Everard’s “10 best audio products” on his Christmas gift guide in the current Gramophone. While this isn't really a review, it gives a good plug for the designer!
 
Bob L said:
Not only is the review on the Qobuz site, but the headline finishes with Qobuzissime !

I take it from this that the reviewer thinks that the Stream Box does a very good job with Qobuz.

John, this Pro-ject box also appears as one of Andrew Everard’s “10 best audio products” on his Christmas gift guide in the current Gramophone. While this isn't really a review, it gives a good plug for the designer!
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:) I'd be interested to see what Andrew Everard written - I'm no longer in the "ProJect" loop...
 
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Quote from Everard in the linked article proving that he knows nothing:

"We’ve come a long way from little net bags of foil-covered chocolate coins …"

Bollocks! I love those chocolate Coins..... The ones from Lidl this year are ace. :)
 
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