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Article Index
Cyrus Stream X
p2 Set up and use
p3 Sound quality
p4 Conclusion
p5 Measured performance
All Pages

MEASURED PERFORMANCE
With no analogue outputs there is little that can be measured from the Stream X. Random jitter from the digital output was very low, hovering around 10pS our analysis shows. A 1kHz, -60dB test signal induced just 25pS of signal related jitter, seen as a small peak in our Rohde & Schwarz analysis – and this is very low. Around 40pS or more is common with this test.

 
High frequency jitter noise above 10kHz was also very low, a feature of well engineered network players that lifts them above a majority of silver disc players.


Low rate clock drift, seen as a rise in the trace at far left, reached a low value of 40pS. Any value below 100pS is good; CD players with poor clock stability are terrible here. Premium hi-fi network players generally outperform most else in this area because of the emphasis placed on stability, low noise and jitter, and the Stream X matches the best, our measurements show. NK

JITTER   (what it means)

cyrus-stream-x-jitter



 

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