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Old 11-26-2013, 02:44 PM
Join Date: Nov 2013
Location: anaheim
Posts: 31
Default Re: Pro Tools 11 with Focusrite Scarlett 18i20?

Still no help on this? Geez
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Old 03-05-2014, 03:52 PM
kaibosh kaibosh is offline
Join Date: Mar 2014
Location: Madison, Wisconsin
Posts: 1
Default Re: Pro Tools 11 with Focusrite Scarlett 18i20?

If you run into a record/playback issue with PT11/Scarlett - here's a possible fix for Windows.

The "Dynamic plug-in processing" feature will prevent a Scarlett interface from being able to record or playback audio in Pro Tools 11 running on Windows systems.

To overcome this switch off "Dynamic plug-in processing" in Setup > Playback Engine.
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Old 03-13-2014, 12:13 PM
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Katherine_Focusrite Katherine_Focusrite is offline
Join Date: Mar 2013
Location: Los Angeles, CA
Posts: 159
Default Re: Pro Tools 11 with Focusrite Scarlett 18i20?

Hi Everyone,

I see that a lot of you have very different types of issues on Macs and PCs. Most of the issues I see here look unrelated user to user.

If you need assistance it would be great if you can contact us directly so we can take a look at your individual computer setup and assist you better.

Here is our direct contact info, and also I will try to answer some of these individual questions about drivers, etc, below.

(If you are looking for the US Tech Phone click the Focusrite Distributor link, choose US)

Keep in mind the future. FireWire is on its way out. USB is apparently here to stay and Thunderbolt has yet to catch on in audio devices. Since my next laptop is guaranteed NOT to have Firewire I went with the Scarlett series instead of the Saffire.
Here I can say Firewire is not on it's way out. You will likely see Firewire products continue for a long while.

Firewire does offer higher bandwidth and better isochronus (two way stream) transfer than USB. It is more of a "pro" connection than USB, which is why you are not as likely to see it on consumer level computers.

Note that you can use the Firewire Saffire line in Dual Unit configurations, but not the Scarletts, as Firewire is more capable of this.

Still we would never make a unit that can't pass it's own channel count well, so you can rely on the 18i20 to be able to run all it's channels at the same time efficiently.

Thunderbolt is a direct connection into the PCI bus. So using a Firewire to Thunderbolt adapter is the same as your old Firewire PCI or PCIe card you used to have to get.

I really think computers are just moving to the mobility of having one or two thunderbolt ports and then a dock that offers you all the ports you lost for when you are at home.

Here are some links on the matter.





Focusrite has on going beta drivers for the MC in which their trying to weed out issues like that. USB 3.0 also seems to be a hot issue for them.
We will always have more and more drivers in beta due to the constant release of other updates to OSes, hardware, etc in the market. When you fix one issue then someone else releases another update and you have ten more to fix. Nature of computers really. Just know that if something happens we are happy to get to work it for you!

USB 3.0 comes with the main issue that while these ports SHOULD be fully backwards compatible to USB 2.0 that is not always the case. With so many different manufacturers of USB 3.0 ports on various PC hardware you may see some that aren't as good as others.

That being said lately we have found that in many cases updating the USB 3.0 controller drivers from the motherboard or computer manufacturer resolves these types of issues.

The bottom line is they are saying that the issue lies with Pro Tools, and not their MC software or the focusrite driver. Apparently this issue doesn't crop up with other DAWs that use the same Focusrite set-up, though I haven't verified that independently.
As I'm sure some of you have noticed we are finding a lot of Pro Tools users who have better luck with issues like "Unable to Initialize Audio Device" on the beta 2.5b4 driver than the 2.5.1 driver.

We are looking into what reasons for this may be with Avid's help.

GEEz, Im going insane over here. Everytime I open a session now. It doesn't matter how i start, I might be able to record, or play for 20 seconds, i might get 3 minutes. Error, Pro Tools can't find, scarlet.. Please restart pro tools. I have updated my driver, I have tried to disable midi in the activity. Nothing.. It wasn't even near this bad just a week ago, i have all the newest stuff. Which should show on my signature. Please help!!!!!
This sounds like it could a number of things, so please contact directly so we can get your System Reports, etc, and help you sort this out.

Please let me know if I can assist you guys further.

Katherine Kaplan // Focusrite Technical Support

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Old 06-26-2015, 02:58 AM
hooksound hooksound is offline
Join Date: Feb 2011
Location: N/A
Posts: 240
Default Re: Pro Tools 11 with Focusrite Scarlett 18i20?


I bought the Focusrite Scarlett 18i20 a couple of months ago. You will have to look very hard to find such a price friendly combo of specs and features and it looks awesome too. Unfortunately, it was a great disappointment to me. I never got it up and running stable with any of the (also beta) drivers. I have an Intel based Fujitsu laptop, that runs with everything else I connect to it. The 18i20 lost the USB connection spontaneously and hence PT10 or PT11 wouldn't run stable with it as well. I'm not against using some time to optimise stuff, but if the unit does not run decently out-of-the-box, I'm out. Another irritating thing was that some of the the buttons on the front plate went very light and some very tight. Sorry, it had to go for a refund.

Anyway, regarding FW vs. USB, I agree with Katherine on the tech side. Only thing is that it seems to me that the PC manufacturers doesn't care, so especially with laptops, this is a problem. Very few of them has on-board FW and if they have, it's very often not based on an "audio friendly" chipset. Then the laptop will have to at least have a PCI ExpressCard slot and many of them don't have that either.
Pro Tools 10.3.10, Cubase Artist 7.5.40, Allen & Heath Qu-16, Focusrite Scarlett 18i8 2G, Fujitsu Lifebook AH532, Intel Core i7-3612QM, 8 GB RAM, Windows 7 Professional SP1 64 bit

Last edited by hooksound; 06-27-2015 at 10:57 AM.
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Old 06-27-2015, 08:53 AM
ShiftStudios ShiftStudios is offline
Join Date: Apr 2015
Location: Toowoomba, QLD, Australia
Posts: 282
Default Re: Pro Tools 11 with Focusrite Scarlett 18i20?

Just throwing my hand up to vouch for Focusrite gear. I have a Liquid Saffire 56 and an Octopre Dynamic MkII. Having been using both constantly for years for many projects. Both great units. Currently connected to my MOTU 16A bypassing the A/D converters on the Focusrite gear for the Sabre32 converters in the MOTU. No complaints here!
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