What Marshall amp or any amp for that matter, that you go into the store and buy, has physical control knobs to allow you to tweek things like Triode plate frequency....Tone location..... B time constant.....
Should I go on..... Ok then...
Transformer high frequency...... erm off the top of my head.... Transformer grind..... Motor time constant.
You are off on a tangent here.... Way off, please dont assume things for me I can do that myself thank you.
Your right, but neither do you....Unless you work for Fractal? in which case great, thanks for letting us know, my guess is though you dont. So why state things like this