Nothing, either it works or it doesn't. Unless you have some kind of strong RF source near it, it may behave strangely.
One info about clock's.
For those who don't know, the original clock's that come with the FiFoPi Q7 are AS318B
This is what Ian sent to me via email "Q7 original XOs are already AS318B in 2520 package so no need to upgrade"
According to this, buying Accusilicon AS318B XO is a waste of money because you already have them, or I'm wrong?
Same XO, same performance in 3 packs, specification attached.
For those who don't know, the original clock's that come with the FiFoPi Q7 are AS318B
This is what Ian sent to me via email "Q7 original XOs are already AS318B in 2520 package so no need to upgrade"
According to this, buying Accusilicon AS318B XO is a waste of money because you already have them, or I'm wrong?
Same XO, same performance in 3 packs, specification attached.
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After 3 weeks of listening with the SC-PURE clocks 45.1584MHz and 49.1520MHz.
When I put the SC-PURE clock's inside the socket I noticed this was not a good connection to easily to put in the sockets.
First impression looks promising, then after 2 ours I cannot listening to high resolution audio no music and saw the led light flashing from 1 clock to the other clock.
Then I change the clock's in the socket then the music play in high resolution.
So I let the streamer play 24/7 to the next day and listening again and thought this sounds different than the day before.
I thought let it play 24/7 a couple of weeks then I will sit and listen good.
Last Sunday I also connect my usbridge signature usb out (with moode audio) to my Denafrips Terminator plus dac with the shanti power supply this I used before Ian’s boards so I can switch from one streamer to the other.
Using roon so I can switch easily from i2s input to the other usb input and start the same music together in roon.
My first impression was there was no difference in sound quality.
Now I can change the clock's again in the socket, I don't do this now I will wait for a good solution and if there comes no solution then I will solder the clock's directly on the board.
Note, when I use the usbridge signature usb out then the clock's will work from the Denafrips Terminator Plus and they are also special selected.
Regards,
Rudy
Edit: Ian’s streamer I use for everything eaton supercapacitors.
When I put the SC-PURE clock's inside the socket I noticed this was not a good connection to easily to put in the sockets.
First impression looks promising, then after 2 ours I cannot listening to high resolution audio no music and saw the led light flashing from 1 clock to the other clock.
Then I change the clock's in the socket then the music play in high resolution.
So I let the streamer play 24/7 to the next day and listening again and thought this sounds different than the day before.
I thought let it play 24/7 a couple of weeks then I will sit and listen good.
Last Sunday I also connect my usbridge signature usb out (with moode audio) to my Denafrips Terminator plus dac with the shanti power supply this I used before Ian’s boards so I can switch from one streamer to the other.
Using roon so I can switch easily from i2s input to the other usb input and start the same music together in roon.
My first impression was there was no difference in sound quality.
Now I can change the clock's again in the socket, I don't do this now I will wait for a good solution and if there comes no solution then I will solder the clock's directly on the board.
Note, when I use the usbridge signature usb out then the clock's will work from the Denafrips Terminator Plus and they are also special selected.
Regards,
Rudy
Edit: Ian’s streamer I use for everything eaton supercapacitors.
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It makes sense. He had to use clocks easily available on the market. I bought AS318 90 and 98 clocks to use higher samplings. Will get them at the end of the month.
I put these connectors for XO on my Q7:
https://hr.mouser.com/ProductDetail/575-113314
I took out the inner pins (2,3,4,5,6,9,10,11,12,13), they are easy to remove, bent the ends like they come with Q7 and soldered him on my Q7.
They hold much better, they are gold plated, the only problem is when you take out the XO you have to be careful because they hold very, very firmly.
Hello,
If the socket does not offer a perfect grip on the clocks because it has been used with clocks having slightly different diameters pins it wont be beneficial to have the best clocks available.
One member had his clocks fallen out of the socket when print is upside down.
Maybe if you have already used several clocks and now ready to invest 500 $ get a new socket or solder them right away with the 3 pins. One isn't used right?
If you are serious better go all the way!!
Greetings Eduard
If the socket does not offer a perfect grip on the clocks because it has been used with clocks having slightly different diameters pins it wont be beneficial to have the best clocks available.
One member had his clocks fallen out of the socket when print is upside down.
Maybe if you have already used several clocks and now ready to invest 500 $ get a new socket or solder them right away with the 3 pins. One isn't used right?
If you are serious better go all the way!!
Greetings Eduard
I'm using the same cable without problems. Actually, I find it helps the sound. Like a low budget StationPi 🙂 . At least for keeping the RF part of RPI at a distance from FifoPI!?
Can confirm that. Even my FifoPi Q3 which I ordered in December 2020 from audiophonics was shipped with the AS318 as stock clocks. At least this is what I see with my old eyes through my magnifying glass. Last week I checked out which clocks were shipped with Q3, because I swapped the clocks I was using from the beginning (separately ordered AS318 from audiophonics) against the stock AS318 which were shipped with Q3 (just because I was curious) and the stock clocks sound much better for me. Unfortunately the stock clocks were laying around all the time because I thought the extra ordered AS318 must be better than the stock clocks and I have never testet them against each other. Since last week I'm taking all tests / reviews with a grain of salt, where a separate / non-stock AS318 is stated to be better than the FifoPi stock clock. At least when clock frequency is the same. Q7 has arrived this week also with AS318 stock clock.
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Nice! 🙂 And how do you feed the Rpi with 5V power? I was planning to feed it through FiFoPi 5V connector but if I use this long cable, it is not the best practice because Rpi can eat 2-3 Ampers. This relatively thin cable and with its 20cm lenght....
I feed my RPI3 directly via a LinearPI + UcConditioner 5V combination. The FifoPi 5V power is coming via the GPIO cable from RPI.
yes, it can consume up to 3A if you use heavy video and CPU calculations and USB Disk.
For audio, at least for me, the RPi4 4GB with SD card doesn't consume even 1A when playing music.
I think you will have enough power to feed it through FiFoPi if you don't use USB disk.
Just be careful not to twist the cable, pin1 must go to pin1. On the contrary, you can burn something.
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some questions regarding the purepi II:
1. how futureproof is this regarding the raspberry pi 5 ? the raspberry pi needs 5V but this board can just support 2.5A as it seems (?)
2. can the sync function be used with the transportpi digi ?
1. how futureproof is this regarding the raspberry pi 5 ? the raspberry pi needs 5V but this board can just support 2.5A as it seems (?)
2. can the sync function be used with the transportpi digi ?
I have them too, but I'm not satisfied with them. For me, the originals (45/49 from Q7) are better than them (90/98), Crystek CCHD-957 are better than all Accusilicon's in all segments. I got SC-Pure 4 days ago and they are currently in the burn-in phase, but at the very start they promise. They have been working for 4 days and are much better than from Crystek, much better. At least on my system.
I think this is with XO, which one is better for whom depends a lot on what equipment you have and of course it depends on the taste.
None of us likes the same food, drinks, smells, etc., and it's the same with sound.
Thank you @zabloc.
I have the same set of clocks as yours. I am looking to share my results very soon. I am still struggling to connect the power supplies to my stack.
I agree our taste might be different for sound but I am looking for the best reproduction possible. A Steinway piano has a different sound than a Kawai or a Yamaha. The equipment I am listening should be as transparent and detailed as possible with no coloration added (that’s the spice).
Yves
I have the same set of clocks as yours. I am looking to share my results very soon. I am still struggling to connect the power supplies to my stack.
I agree our taste might be different for sound but I am looking for the best reproduction possible. A Steinway piano has a different sound than a Kawai or a Yamaha. The equipment I am listening should be as transparent and detailed as possible with no coloration added (that’s the spice).
Yves
RPI5 is bigger, faster but also noisier (with a mandatory fan?). I am not sure it will be better for sound Than the previous versions. RPI 3 was able to do the job.
Maybe there is something I am missing.
Also, I am not sure what Ian’s board will be compatible with the new RPI5.
I made this for a good friend six months ago and the GPIO cables were about 13 centimeters (from Q7 to dac) so far I have heard no complaints.
but if possible I would make them as short as possible.
Attachments
If I want to solder the clock's on the board do I solder all the 4 pins on the board?
Because Eduard told "only 3 pins?" So he is also not sure.
If not should I cut the other pin?
Forgot to mention, wat number pin we talk about?
Regards,
Rudy
Because Eduard told "only 3 pins?" So he is also not sure.
If not should I cut the other pin?
Forgot to mention, wat number pin we talk about?
Regards,
Rudy
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