Thank you all for your replies.
this is my friend
It’s working time and we can’t test it.
We can try Jack’s method later
I also hope that more friends will provide your solutions.
We will try one by one
Some, or let’s say a lot of Paddock profiles are looking quite strange to me too. Think the warning from Granite speaks for itself. Btw, hope you get an estop soon
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My Simucube 2 Pro is R2 version, produced in March 2021.
I’m in a different situation than Yingyu.
I don’t have any unusual sounds.
I provided the Settings.
Slew rate limit to “off”=
No limit=
full slew rate available
Is represented by “0” in active profile
For a Sport:
Slew rate limited = 4.78 to 0.1
Where 4.78 is the smallest limitation and 0.1 the biggest limitation
Is represented by “4.78”= almost no limit to “0.1”= almost all limited
in active profile
The slew rate is limited to 0.1 newtonmeter per millisecond
It is confusing, at least…
TrueDrive FTW
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Yeah, slew rate limiter does get disabled if the parameter value is 0. I will see that any new profiles published will have this added as text description in Paddock.
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Did my best to clear the fog. I learned it from Mika a few weeks ago. I always go like: I want a limitation? No, so off
Yes, how much I still want to have? Almost all is the higher and almost nothing the smaller number.
Thanks jack and all!
I tried adjusting the slew rate limit to 0.1
Almost no abnormal sound is felt! Thank you all!
Thanks CLAYREGAZZONI ！
I still have some questions about the torque conversion rate
Regarding SLEW RATE LIMIT, if I set it to 0.1, does it mean that the torque conversion rate is reduced to 0.1Nm/Ms, if it is set to off = the torque conversion rate is set to the maximum value
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Yes, you are correct, thats how it works.
But now you have sluggish, no details wheel. Silent but dead. 
Based on the video, the sounds is within normal limits of Simucube 2.
Yep, “off” means you have no limitation, the limit set to “0”. The full amount of slew rate potential per ms is available. 0.1 therefore means that you have limited almost the full slew rate, that you kind of castrated (didn’t find a better word) your Simucube. If you see a “0” in a profile for slew rate that says there is “0” limitation (slew rate limitation “off”).
What is it for: Fe to limit the very quick and massive amount of torque change coming from a handbrake in rally. It gives the Simucube the possibility to catch up something she normally doesn’t have to handle or can’t handle
I don’t know why the word ‘off’ is used at all as it can cause confusion.
Why not start with the max number at the left and have the number progressively reducing as you slide it to the right.
In the case of the Pro for example:
8.0 Nm/ms<-----> 0.1 Nm/ms
It’s more intuitive to feel that you are adding something as you move a slider to the right, just as we do with damping and friction etc. In this case we are adding limit. I think that would be much easier to grasp.
As it stands now, with the slider moving right to left, it would be easier to grasp if it were named ‘motor acceleration speed’
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True, I’ve been thinking on how to improve it. Perhaps I will experiment on it a bit.
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ok, bro, I understand what you mean, I will try to adjust him again tonight
I have the same noise (maybe louder) i have tried default setting, changing different profiles adjusting the slew rate and recon filters but unable to get rid of the noise its very noticeable and in my opinion affects the gameplay. I am really happy with the force feedback and detail but i think if i had known about this noise i may of chosen a different wheelbase and its annoying that i watched a lot of YouTube reviews and videos and never came across this noise or issue at all.
Any suggestions you guys may have let me know, Gary
Mine does the same sound and I never gave it too much attention.
Should I be concerned? 
Sounds like normal servo chatter to me. I wouldn’t be concerned.
hi guys i was using sc1 before with small mige and then i bought sc2 pro.
and I heard the sound in question and got annoyed here when I consulted on the forum I was told it was normal.
but I’m not too convinced because such a sound in a high-end product seems abnormal to me.
I don’t hear any sound when I plug in headphones.
but as a result, I can’t hear this sound in an older system and a system with aggregation, while sc2 pro also hears this sound.
As far as I understand, should we accept this situation and continue to use the device?
edit:maybe the driver cannot drive the servo properly with the last update.
That’s why I don’t know if this sound is coming out