Unable to load newer NAM samples (version 0.7.0)

[mysticfall]

I'm using Guitarix 0.47.0 on Arch Linux, and I noticed that it fails to load newer NAM samples from the Tone3000 site.

Although Guitarix appears to load such a sample at first, it doesn't produce the expected sound, and it shows an error message when you try to reload it.

The problem can be reproduced with a 0.7.0 version of the NAM sample, such as this one:
https://www.tone3000.com/tones/marshall-plexi-sample-pack-67950

[tristantarrant]

@brummer10 needs to upgrade to the new version of NeuralAmpModelerCore which supports A2 models.

[brummer10]

@mysticfall Yep, as time being you could only use A1 models with guitarix.