Hi fellows,
as an owner of a tube preamp (Engl E530) sometimes I'd like to connect it to my Axe Fx Vintage Standard and use an amp sim to get some power amp only coloration. In my former attempts I chose a quite clean amp and tried to fiddle around with the tone stacks, amp EQs and sag=0 to get the preamp flat. But this is hard to tell by ear and the results were not so promising.
Yesterday I had an idea and would like to ask if anybody has done this before and what you think of this approach:
1. Select a clean amp model as Amp2 which you like as the power amp
2. Set amp drive fairly low, let's say 0.5 and set sag=0 to disable the power amp. Leave all other settings at default.
3. Now send some white noise through this patch and record it as an impulse response.
4. That's the tricky part for me: invert the measured impulse response to defeat the coloration of the tone stack/preamp.
5. Now we could choose another amp which is our preamp(external or Axe Sim with sag=0) and put the inverted IR and the Amp2 with low drive but sag > 0 after the preamp. Set the master volume and other power amp parameters on amp2 to taste.
What do you think? I don't know if this has been discussed, my search is limited to 10 results.
RB
as an owner of a tube preamp (Engl E530) sometimes I'd like to connect it to my Axe Fx Vintage Standard and use an amp sim to get some power amp only coloration. In my former attempts I chose a quite clean amp and tried to fiddle around with the tone stacks, amp EQs and sag=0 to get the preamp flat. But this is hard to tell by ear and the results were not so promising.
Yesterday I had an idea and would like to ask if anybody has done this before and what you think of this approach:
1. Select a clean amp model as Amp2 which you like as the power amp
2. Set amp drive fairly low, let's say 0.5 and set sag=0 to disable the power amp. Leave all other settings at default.
3. Now send some white noise through this patch and record it as an impulse response.
4. That's the tricky part for me: invert the measured impulse response to defeat the coloration of the tone stack/preamp.
5. Now we could choose another amp which is our preamp(external or Axe Sim with sag=0) and put the inverted IR and the Amp2 with low drive but sag > 0 after the preamp. Set the master volume and other power amp parameters on amp2 to taste.
What do you think? I don't know if this has been discussed, my search is limited to 10 results.
RB
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