Discuss Quantum Series Interfaces Here
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EDIT: Changed title to make it easier for people troubleshooting to find the thread.

Can any fellow Quantum Mac users help out with a very quick test on an issue I’m troubleshooting? So far Tech Support is completely stumped.

- install the latest Firefox (77.0.1)
- use the Quantum as your interface
- open universal control
- and tell me if the audio in this YouTube video plays on outputs 1/2 or 3/4: https://m.youtube.com/watch?v=ckvDo2JHB7o

On my system this video (and many others all across different sites on the internet) plays on Output 3 in mono.

Anyone else?
Last edited by robertgray3 on Mon Sep 27, 2021 10:41 am, edited 1 time in total.

Mac OS X Catalina 10.15.7
Mac Pro 6.1
3 GHz 8-Core Intel Xeon E5
32 GB 1066 MHz DDR3
Dual AMD FirePro D500 3072 MB
Quantum 2
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by robertgray3 on Thu Jun 18, 2020 11:02 am
Received a PM from another user on Mac Mojave confirming this issue.

Anyone else able to test it? It would be helpful to have a few more data points. Thanks!

Mac OS X Catalina 10.15.7
Mac Pro 6.1
3 GHz 8-Core Intel Xeon E5
32 GB 1066 MHz DDR3
Dual AMD FirePro D500 3072 MB
Quantum 2
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by austinstanton1 on Tue Mar 02, 2021 5:29 pm
A mate and I have the same problem
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by robertgray3 on Sat Mar 27, 2021 6:15 pm
Yeah I told Presonus about it through their Ticket system, didn't really go anywhere.

Mac OS X Catalina 10.15.7
Mac Pro 6.1
3 GHz 8-Core Intel Xeon E5
32 GB 1066 MHz DDR3
Dual AMD FirePro D500 3072 MB
Quantum 2
User avatar
by robertgray3 on Mon Sep 27, 2021 10:43 am
In case anyone stumbles on this issue, it's still a problem in the latest UC. It makes it hard to load up a quick video for reference if you use Firefox.

So far Support's asked me to format my hard drive and reinstall macOS, neither of which fixed it.

Mac OS X Catalina 10.15.7
Mac Pro 6.1
3 GHz 8-Core Intel Xeon E5
32 GB 1066 MHz DDR3
Dual AMD FirePro D500 3072 MB
Quantum 2
User avatar
by PAE Seth on Thu Sep 30, 2021 12:38 pm
Nope. I can set my outputs in Audio MIDI Setup and that's the ones it plays from. Sounds like a MacOS issue more than a Quantum Issue.

PC: ASUS X299 Prime Deluxe II, i7-7820X 8c/16t @ 4 GHz, 16GB 2666 MHz DDR4, AMD RX 5500 XT 8GB

Mac: 2010 Mac Pro 6 core 3.33 GHz, 32GB 1333 MHz DDR3, nVidia GT 710 1GB, Alpine Ridge Thunderbolt 3 Card, Aquantia 10GB AVB card

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