Hi there,
I am working on a lofi multichannel project using a bunch (20+) of cheap usb 
audio dongles.
( similar to this 
https://core-electronics.com.au/usb-audio-adapter-works-with-raspberry-pi.html )
When I plug them in they all show up when i type lsusb in the terminal and if I 
open Carla and plug them in 1 by 1 (via a powered usb hub) and they show up as 
usable devices up until 9 . .but then they stop showing up (even though they 
are all listed when i type lsusb)

I'm just trying to work out where issue might be - a quick google tells me usb 
standard supports up to 127 devices but is there a limit on the amount of 
simultaneous audio devices Carla can recognise? (i get the same result with 
qjackctl)

any tips appreciated, I'm using kubuntu 20.04 + ubuntu studio installer. Thanks 
!
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