Pedals & FX, Setup & Signal Chain

How to Set Up An Amp Modeler With Your PC (NUX Trident)

Written By :Andrew Siemon

Something I talked about in my Trident demo is how I struggled to set it up initially. I tried connecting the Trident directly to my PC and it didn’t work properly. I figured it out though.

To connect an amp modeler to your PC, connect an audio interface to your computer using the appropriate USB cable (USB-A to USB-C or USB-C to USB-C, as needed). Then, run a cable from the modeler’s output to the audio interface’s input, and from your guitar to the modeler’s input.

How to Connect A Modeler to a PC With an Audio Interface

How to Set Up A Modeler With Your PC (NUX Trident & MG-400) - Infographic
This is the basics of how you set up the Trident, MG-400, or any other modeler similar to these to your computer.

There are additional ways to set it up too.

For instance, in my other article, I showed how to use the FX Loop/Return method.

This utilizes your amplifier’s power amp and bypasses the pre-amplifier.

1) Connect Your PC to an Audio Interface (with USB-C)

1) Connect Your PC to an Audio Interface (with USB-C)
More modern audio interfaces will probably use the USB-C port on the back so a multiport adapter may not even be necessary.

I’d recommend an Amazon Basics braided cable if you want a really solid cable that lasts. You also want to make sure that it’s super long, because it’s better to be too long than too short.

2) Run A Cable from the Audio Interface’s Input to the Modeler’s Output

2) Run A Cable from the Audio Interface to the Modeler's Input
Any instrument cable or patch cable will work fine for this.

I only used a patch cable because it was what I had handy. It would make more sense to have a bit longer cable for this so you can move the processor around.

Pancake patch cables aren’t the best for this either because they’re hard to pull out of the port when it’s time to remove it.

3) Run Another Cable From the Modeler’s Input to Your Guitar

3) Run Another Cable From the Modeler's Input to Your Guitar
Connect your guitar to your processor’s input like so.

4) Connect Your Power Supply & Turn On the Modeler

4) Connect Your Power Supply & Turn On the Modeler
The NUX Trident comes with the power supply you need, although, the quality of it could be improved.

Once you’re connected and your power supply/surge protector are ready to go, turn it on with the ON switch.

5) Open Your DAW and Set the Input & Output Devices

5) Open Your DAW (GarageBand, Logic, FL Studio, etc.)
In this case, I’m going to set the Output Device to my audio interface as well, because I’m going to monitor directly from the interface.

How you set up your output device depends on what you’re using, but you’ll definitely want your input device to be the audio interface in question.

6) Set Your Audio Interface to Instrument Level

6) Set Your Audio Interface to Instrument Level
Make sure you use the INST setting.

It’s possible to get away with a line level setting; but you’ll probably have to increase the gain on the audio interface by quite a lot which will increase the chance of noise and hiss.

In other words, a line level setting just isn’t the optimal setting for your guitar/bass because these are not line level signals.

When you use the INST switch, it’ll boost your guitar signal up to line level. Guitars and similar instruments have to be boosted in this way.

It could be possible for the Trident to be configured in such a way where it’ll output a line level signal into the audio interface.

Hence, removing the need for the INST setting. However, I’m unaware of a way of doing this.

7) Set Your Audio Interface Gain Low to Medium

7) Set Your Audio Interface Gain Low to Medium
I found the mid-way point to be ideal.

8) Adjust the Level & Master Volume on Your Processor

8) Adjust the Level & Master Volume on Your Processor
Additionally, you’ll want to adjust the volume on your processor as well to make sure enough is going into the audio interface.

The setting that I had here was perfect. It ended with a really nice sounding tone and a good-looking waveform.

9) Record & Observe the Waveform To Find the Proper Level

8) Record & Observe the Waveform To Find the Proper Level.
You don’t want a bunch of peaks, but you don’t want it to be too small either.

It’s important to listen closely with decent monitors to see if you actually like the sound. Don’t just look at the waveform.

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Andrew Siemon is the principal creator for TravelingGuitarist.com, a website entirely devoted to all things guitar. From repairs, music theory, chords, and improvisation, to recording at home. I've been doing this for 20 years and I've got another 50 in me.

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