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Audient EVO 16 interface - 8 balanced outputs + volume knob + display

neRok

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I was just browsing some studio/pro-gear websites and came across the Audient EVO 16, which might interest some people. It seems to have all the necessary/desired features for doing "multichannel" playback from a PC (multichannel suitable for DSP xover/EQ/etc). It's got 8 balanced outputs, a volume knob that can* control the volume of all outputs (*presuming it can be configured that way), and a nice little LCD display - all packaged in a pretty good looking unit I think.
evo16.png

Specs wise, the stated ones seem sufficient. Of course the skeptics would question the legitamcy of those specs, but the lower model EVO 4 seems to measure pretty close to its similar spec's.
Frequency Response: +/-0.5dB 10Hz to Fs/2
Crosstalk: <-110dBu @ 1kHz
THD+N @ -1dBFS (1kHz): <0.001%
Dynamic Range: 121dB A-weighted

There's a bunch of other features to mention - The screen looks nice, and can be set to display meter bars for the outputs. It's got 2x optical input and outputs, and they can run ADAT or S/PDIF (see page 56 of the manual. And if you don't know, ADAT allows 8 channels of 24bit + 48kHz, or divisions such as 4x of 24+92). It also comes with software that can handle mixing and routing. Lastly, there is the good looking volume knob, but does it control all the devices?
- Page 28 of the manual says "By default, pressing the Speaker button on the front of the unit, then turning the Control Wheel will change the volume of line outputs 1+2. You can adjust any of the other line outputs in the EVO Software Mixer." By default suggests it can be configured differently though...?
- Page 30 mentions the Function button, and says "Various monitoring and communication functions of the EVO Software Mixer can be assigned to the hardware Function Button found on the front panel of the EVO 16". One of the function is ALT mode, which allows you to "switch your monitor path to a secondary set of speakers to let you check how your mix translates on various speakers. You can select which outputs the ALT monitor control flips to in the System Panel." So I think ALT mode will enable 8 channel volume control.
- I mentioned the mixing+routing software, which is talked about on page 56. My understanding is that the Mixer allows all sorts of inputs to be combined in to any of the available mixes (Main, ALT, and 4x Cue mixes). Then in the Router, those mixes can be sent to various devices. So I would think you can send Main to all 8 devices, and then have volume control without using "ALT" mode. However, Page 57 says "Please note that the hardware volume control does not affect these mixes and the Cue’s have seperate trims which can be adjusted when the Cue Mix is selected in the Main Mixer Window." It's not clear if this is only referring to the 4x Cues, or the Main and ALT mixes too?

Presuming the volume knob can be configure to control all 8 outputs, this EVO 1 seems a good option compared to some others. For example, the Okto DAC8 Pro is very good, but it seems hard to get, and pricey. Topping DM7 is also decent, but it doesn't have a good volume knob, and is more expensive too. MiniDSP units have the benefit of on-device DSP, but the Flex HT + Flex 8 don't have balanced outputs, the Flex and SHD only have 4 outputs, and the Flex HTx has the works but is expensive. There is also many interfaces out there with 4+ analogue outputs, but they probably don't look this nice, and do they have a good volume knob?! For example, my Presonus 68c has 4 balanced outputs, but only 2 are controlled by the tiny volume knob.

Another model to keep an eye on is the lower model EVO 8 (although IMO, it looks a bit ugly as a consumer device with it's top-mounted controls). It has 4 outputs and a big volume knob, but the knob only controls 1 pair of outputs at a time (via the 2x buttons on the front). I looked in the manual, but didn't find any indication that both pairs could be controlled at once. However, it says the inputs can be paired together by pressing their 2x buttons at the same time. So perhaps it's only a firmware update away from doing the same with the outputs?!
 
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I agree, one could use the EVO 16 as a nice multichannel DAC for multi-way or multi-channel applications

I would add two more albeit they are a bit more expensive:


You get 10 outputs and a SINAD around 112-114 (according to the manufacturers' specs).
The MOTU sports an ESS DAC chip and the Focusrite has a CS chip if I am not mistaken
 
I just noticed that the EVO 16's outputs max out at +12dBu, which is ~3v (and a bit sad). Meanwhile the other devices I mentioned mostly do ~4v, whilst the Topping has an additional 5v mode, and the Presonus I mentioned does 6v (+18dBu).

I agree, one could use the EVO 16 as a nice multichannel DAC for multi-way or multi-channel applications

I would add two more albeit they are a bit more expensive:


You get 10 outputs and a SINAD around 112-114 (according to the manufacturers' specs).
The MOTU sports an ESS DAC chip and the Focusrite has a CS chip if I am not mistaken
Yer, good performance from that Motu, but no volume knob. And that Focusrite might have a functional knob, but I don't particularly like the look of it. Also, both are priced higher (but still quite reasonable I guess).

And for that price, there are "pro level" rack mount units that can do all the DSP etc on board. Besides Behringer, I noticed the Wharfedale Pro VERSADRIVE SC-48 FIR seems to do all the important things (except for having a volume knob) for a reasonable price.

All Versadrive models features the highest quality 24-bit 96 KHz AD/DA convertors and the internal DSP is handled by a 40-bit processor.

From input and output phase adjustment, delay timing, compression, limiting, parametric EQ, and multiple choices of HP and LP filtering, it’s easy to tweak the parameters until the system is perfectly balanced.

I plan to start a thread about Wharfedale Pro gear, because their amps seem decent price+feature wise (probably between Behringer and Crown).
 
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Yer, good performance from that Motu, but no volume knob. And that Focusrite might have a functional knob, but I don't particularly like the look of it. Also, both are priced higher (but still quite reasonable I guess).
Why do you need a volume knob?
I personally use Jriver's 64-bit internal volume control upstream in the signal chain (with my wireless keyboard and/or mouse)
 
Why do you need a volume knob?
I personally use Jriver's 64-bit internal volume control upstream in the signal chain (with my wireless keyboard and/or mouse)
Just do. It feels good turning it up. Some people like all pageantry of playing vinyl, and similarly, I like turning up the volume dial and seeing the number increase too. Even better would be seeing the volume meters dance higher and higher as I turned it up too.

But seriously, I have to use PC volume control at the moment too, but it is risky as there are a lot of ways things can go wrong, and if they do, everything is basically sitting there at full gain. So besides the obvious software/driver/connectivity/PC issues that can occur, there's also the possibility of user error when changing the volume. For example, you might be using the mouse to move a slider from -12dB to -6dB, but then you accidentally jerk your hand and it goes to +6dB. Or after you've made that mistake once, you start typing in the numbers, but forget the negative sign and go from -12dB to +6dB, and get blasted in exactly the same manner :p The mouse or keyboard wigging out during those moments could also cause problems (or you go to type a number but have numlock off, and so you accidentally push page up, and that might be interpretted as max volume?!).

And yer USB volume knobs exist, but they share most of the same problems as doing it via kb/mouse.

Having a digital volume control in the chain gives a bit of protection by somewhat isolating the analogue/amp-ed side from the source/signal side of things and all of those potential issues.

On the topic of big knobs, I actually purchased a Behringer MONITOR2USB the other day, because it can be used as a 2channel USB DAC with a pair of balanced stereo outputs, and an extra mono-sum output. But it's only 2 channel, so no good for doing active speaker style DSP from a PC. It is good for feeding 2 channels in to other devices though, which is why I also grabbed a similarily cheap 3 way rack mount x-over to muck around with.
Image_BE_0843-AAB_MONITOR2USB_Front_XL.png
 
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But seriously, I have to use PC volume control at the moment too, but it is risky as there are a lot of ways things can go wrong, and if they do, everything is basically sitting there at full gain. So besides the obvious software/driver/connectivity/PC issues that can occur, there's also the possibility of user error when changing the volume. For example, you might be using the mouse to move a slider from -12dB to -6dB, but then you accidentally jerk your hand and it goes to +6dB. Or after you've made that mistake once, you start typing in the numbers, but forget the negative sign and go from -12dB to +6dB, and get blasted in exactly the same manner :p The mouse or keyboard wigging out during those moments could also cause problems (or you go to type a number but have numlock off, and so you accidentally push page up, and that might be interpretted as max volume?!).
I use the Volume Protection feature in Jriver to mitigate all the above :)
It just won't let you increase the volume accidentally
 
The Motu does have a volume knob, albeit the attenuation is done digitally:
View attachment 401137
Cool. I think digital volume control is probably ok when it's part of a dedicated devices firmware, and not just a "software feature". And unlike my Presonus that only controls the pair of main outs with volume knob, that Motu graphic explicitly says you can add the extra line-outs to the "Main Volume" group. Too bad it's such a tiny knob though.
 
@neRok Do you have any answer regarding the possibility to control all output volumes at the same time for EVO 16? Also, do you know if it can work standalone, eg playing something through SPDIF, without having to start the computer?
 
@neRok Do you have any answer regarding the possibility to control all output volumes at the same time for EVO 16? Also, do you know if it can work standalone, eg playing something through SPDIF, without having to start the computer?
Not sure, and I don't own one so can't test. The user manual says this though;

Standalone Operation
If you would like to use EVO 16 without a host computer, EVO 16 can be configured​
to operate in standalone mode. This is great for setting up complex tracking setups​
in remote locations.​
To setup Standalone mode, first setup the iD mixer in the way that you wish to​
be saved onto your EVO 16. This includes your digital I/O settings, output routings​
and talkback settings in the System panel.​
Now navigate to the Setup menu and select Store Standalone State. The EVO​
Software Mixers current configuration will then be saved onto the EVO 16 itself,​
ready to be recalled when the EVO 16 is next powered on.​

The product page also has a bit that says "all features can be activated straight from EVO 16’s front panel", for whatever that's worth.

Edit: Just to make sure no one gets their hopes up - but this is not a replacement for something like MiniDSP Flex HTx that does 8 channels of DSP itself. The "standalone operation" of Evo 16 just sounds like it will send whatever inputs to whatever outputs you want, and possibly it can set the gains in doing so.
 
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Thanks! Sounds good. Then, this may be a unique device for mixing and for music/movies. (a bit overkill for my needs, but when you need multiple channels and good enough quality, there is no plenty of choice)
 
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