I do remember trying this a while back in Amplitube 3, just as an exercise to see if I could do it. I only just downloaded Amplitube 4 over the weekend but have not had the chance to play with it in detail yet.
All the necessary ingredients are definitely there - it is a matter of setting it all up according to the other threads here that discuss his tone.
I am impressed that you run Amplitube on 2 x PCs and mix the signal that way. I don't think I have ever heard of anyone else doing that. What a novel way to get the separate amp thing happening without bogging down the CPU on a single machine too much.
I know that you use real pedals in front of Amplitube too, but have you tried the virtual ones within the software to see how they are? I know if AT4 you can FINALLY run virtual pedals after the power amp stage, effectively giving you an effects loop In/Out for the pedals as well as the rack devices. That should help with getting the 'JB' tone.
I use real pedals in front of S-Gear a lot, but not so much with Amplitube because it has such a nice range of pedals in built.
And to be honest, I've probably gotten close to the 'Joe Tone' using S-Gear than I have with Amplitube. Don't get me wrong - Amplitube is great, but I found it was a lot of work to tweak, whereas the lesser options in S-Gear (4 amps and 4 effects units) made it quicker to swap and change things around.
I am looking forward to playing with the new feature in AT4 over the coming weeks, especially the speaker selection, and the pedals in the effects loop stuff, to see what sort of tones I can get.
I was VERY impressed with their Mesa/Boogie pack they recently brought out, and in fact use those most of the time. I play a real Mesa/Boogie most of the time (A Mark II-C and a DC-10) so I guess my tonal preferences lean that way.
The main thing I find lacking in Amplitube is the cab/mic settings. As you have said, they can be lifeless, unless you tweak a lot. I am hoping that the new speaker selection ability will help with that, but until I play with them, it is hard to say. I always found the IR files way of doing things on S-Gear (and on my Axe-FX) gives me a more realistic cabinet sound with the necessary 'oompfh'.
IK Multimedia's method of setting up the mic placement is getting better, but probably not at the same level yet. Then again, it beats trying to sort and audition thousands of IR files on your system!
Perhaps look to Torpedo's "Wall of Sound" pluging for the cabinet and room modelling? I have got that plugin and had some success experimenting with Amplitube and S-Gear. It makes cabinet configuring as easy as the native Amplitube one, but with the better sound quality and punch of IRs. I think they have a 14 day free trial or something on their web site so you can try it out.
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