Hmm, Edge uses quite a "trebly" sound, usually on my VOX VT40+ i would turn the Treble to around 2 o'clock, with the Bass and Middle being around 12 o'clock.
First off, i would say the Vox AC30 is a core element of Edge's set up, some Vox amplifiers (like mine) have an AC30 preset, so you don't...