Logic Pro X stutters and drop outs with Mac Studio M4
Logic Pro X playback stutter on brand new Mac Studio M4 - Sequoia 15.6.1. 64 Gb memory, 4 Tb SSD.
I'm having playback stuttering in Logic Pro on a new Mac Studio I've just set up. I didn't have this problem on my 2020 iMac intel I upgraded from, which was also 64Gb memory, 4 Tb SSD.
The playback will stutter or restart if I have the cycle bar on and sometimes stutter at restart.
There are dropouts like every minute for just a slight second.
I use an aggregate device where my Fractal Audio Axe-Fx III (can only send 48Khz) sends 48Khz through USB. Straight into the Mac Studio.
Set buffer ridiculously high, set summing from 64 bit to 32 bit. Used a different audio interface. Same problem.
Started in 'safe mode' without plugins, same problem. Set 'low latency recording' same problem.
Apogee Element 88 - latest firmware
Universal Audio Apollo Twin X- latest firmware
Logic is set to 48Khz. Aggregate device where Element is the master with 48Khz.
Input is Fractal Audio digital through USB.
This very same setup worked like a dream with never any any problem every since 2020 on my iMac intel.
I am totally in the blue why the Mac Studio M4 cannot handle this same setup.
I'm guessing the Element has trouble with the clock source on the M4. This doesn't happen when I record guitar analog. But I specifically want to record digitally with 48Khz through USB.
'Deviation correction' is on in the aggregate device for both the Element 88 and the Fractal Audio, or I will just get a digital zzzzzzzzz sound from the input.
I can't work like this and it's my job, so please advice, thank you!
Mac Studio (M4 Max, 2025)