Best Answer phil_m , 15 October 2013 - 09:16 AM
So I think what you're experiencing might have something to do with how the POD handles a single input with a dual tone. If you just using Tone A set to Variax, Tone B is essentially being muted if you have it set to Guitar. So that signal comes and when it hits the split, it essentially gets halved with one side going to the amp model in Path A and the other in Path B. So the signal going to the Pre model is attenuated versus what you're sending to the DT25 when you switch the amp in Tone A off. Try setting Input 2 to "Same" and see if the sounds are any closer. It should give you a hotter signal going into the Pre model. It will increase the signal going into Path B as well now that I think of it, but there may be no way around it.
Essentially, even though the preamp models in the HD500 and DT25 are the same, the signal paths going to and from them can be made to be different. I think you may have stumbled onto one of those times where this becomes apparent.Go to the full post