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Stellavox ST2 DAC and use of worldclock generators

Hi

Anyone used this? I am quite keen to buy a Victor XL-Z999EX CD (japan only version of the Harmonix Reimyo 777 cd) with world clock input function to reduce jitter and get the timing correct.

So...i've seen a Swissonic WD8 world clock thingy...and also a Stellavox DAC.

The Stellavox ST2 has received many excellent reviews in asia, apparently based on the Goldmund Alize2 technology.

Wondering how this would compare with the Benchmark DAC for example?

http://www.stellavox.com/st2.html

On the other hand if anyone knows of single channel world clock generators i would be very interested to hear. The Swissonic (i have growing suspiscions that they might be related to Goldmund and Stellavox but its only a hunch) WD8 is 8 channel and for studio use you see!

Cheers

Richard
enjoy_the_music

Showing 1 response by audioengr

audioengr
3,282 posts
 
Word clocks are actually not applicable to many modern DAC chips. If you read the datasheets, it is the Bit Clock or BCLK,SCLK that actually does the final clocking through the DAC chip in many cases. If you implement a word clock on one of these chips, it will have virtually no effect on jitter. Examples are:

AD1853, PCM1704, possibly AKM4395, CS4397

WM8740 uses the word clock, but can even resynchronize this depending on the phase between L/RCLK and SCLK.

I think a lot of designers are still under the impression that the word clock actually does the final clocking in most DAC chips, when it is not the case. Depends on the DAC chip.

Steve N.
Empirical Audio
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