How ads more mids in Boss SD-1 (Super Overdrive) or how change sound for more more liquid ?
More mids? really? :icon_mrgreen:
it has quite a bit of mids already, but if you want more try this:
r4: connect a .001uf to .0022uf cap in parallel with this resistor.
remove r6 completely.
c5: change to .1uf to .22uf
r8: you might change this to 220 ohms or so.
Hope that helps! :)
bw