yeky83
Power User
You don't need to buy anything. Do yourself a favor and run through the matrix into your 4x12; learn to dial this thing eliminating the frfr thing. FRFR is different and it can mess with you. By dialing into your real cab first, you will see that these ir's into a frfr are a different. You will see that they need addition eq. Also, the factory cabs are perfectly fine. The presets need only the same tweaks that any tube amp would need, using the same controls a tube amp comes with. There is beginning to be as much hype concerning ir's and presets as there is with "tubes". I have an old marshall and can get surprisingly close using my guitar cab. Through frfr, although its good, its different.
Agree with this post, but don't give up on FRFRs.
Try the Axe-Fx with your Matrix power amp into your guitar cab. This will help you convince yourself that the Axe-Fx is the real deal, it does amp modeling amazingly.
Then it can help you to move on to FRFR and be convinced that it's an accurate representation of how a guitar sounds miked up. It'll help you make the jump.
For a more realistic guitar-cab-like sound with an FRFR, try some far-field IRs. There's two from Jay Mitchell in the factory IRs, it should get you close to guitar cab feel through an FRFR.