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Old 29th October 2018, 11:01 PM   #811
barrows is offline barrows
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Originally Posted by itsikhefez View Post
Is there any concern using u.fl cables that are not especially short, something like 100-300mm ?
I have been advised by people who should know, that keeping them 100mm or less is "best". Longer does "work" though...
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Old 30th October 2018, 03:17 PM   #812
BrianDonegan is offline BrianDonegan  United States
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Introducing the Buffalo III-SE-Pro 9028/9038
There is no magic length. I2S lines are high-frequency clocks, and have potential to both generate a lot of radiated noise, and pick up interference that muddies the clock signals. Keeping them as short as possible is the key. Shielded u.fl cables can help curb those problems, but the "short as possible" rule still applies.
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Old 7th November 2018, 11:28 AM   #813
Killingbeans is offline Killingbeans  Denmark
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I'm thinking about building a 9028 + Mercury combo at some point. Would it cause problems, if the PSU, I'm planning to use for the DAC, has a longer start-up time than the one for the I/V stage?
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Old 11th November 2018, 06:20 AM   #814
JoeyDD is offline JoeyDD  Canada
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Introducing the Buffalo III-SE-Pro 9028/9038
Concerning u.fl cables, I was just recently able to finally eliminate a high pitched distorsion that I had in the background when playing DSD through the Buffalo.
I was using the shortest u.fl cables I could (40 and 70 mm), but their diameter was only 0.81 mm. The distortion was gone after I changed them for 1.37 mm diameter cables. I suspect it was mostly the MCLK cables that needed to be thicker (using 90.3168 MHz clock).

Last edited by JoeyDD; 11th November 2018 at 06:31 AM.
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