this is a mono tone control, if you want a stereo tone control copy it as a group
PART LIST::...1x-330uf......1x-563......1x683.....2x333......1x560k..
....1x470k.......1x2.7m.......2x2.2k.....2x4.7k...…...4x10k.......
and 3x non transistor ( c1815 or c945, bc548, bc109 )